diff --git a/packages/material_ui/a11y_assessments/.metadata b/packages/material_ui/a11y_assessments/.metadata
new file mode 100644
index 000000000000..f35b49906d8e
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/.metadata
@@ -0,0 +1,45 @@
+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: "b9c3f1f74c075a1766fd74418b5d79f528cf8c74"
+  channel: "master"
+
+project_type: app
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: b9c3f1f74c075a1766fd74418b5d79f528cf8c74
+      base_revision: b9c3f1f74c075a1766fd74418b5d79f528cf8c74
+    - platform: android
+      create_revision: b9c3f1f74c075a1766fd74418b5d79f528cf8c74
+      base_revision: b9c3f1f74c075a1766fd74418b5d79f528cf8c74
+    - platform: ios
+      create_revision: b9c3f1f74c075a1766fd74418b5d79f528cf8c74
+      base_revision: b9c3f1f74c075a1766fd74418b5d79f528cf8c74
+    - platform: linux
+      create_revision: b9c3f1f74c075a1766fd74418b5d79f528cf8c74
+      base_revision: b9c3f1f74c075a1766fd74418b5d79f528cf8c74
+    - platform: macos
+      create_revision: b9c3f1f74c075a1766fd74418b5d79f528cf8c74
+      base_revision: b9c3f1f74c075a1766fd74418b5d79f528cf8c74
+    - platform: web
+      create_revision: b9c3f1f74c075a1766fd74418b5d79f528cf8c74
+      base_revision: b9c3f1f74c075a1766fd74418b5d79f528cf8c74
+    - platform: windows
+      create_revision: b9c3f1f74c075a1766fd74418b5d79f528cf8c74
+      base_revision: b9c3f1f74c075a1766fd74418b5d79f528cf8c74
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'
diff --git a/packages/material_ui/a11y_assessments/README.md b/packages/material_ui/a11y_assessments/README.md
new file mode 100644
index 000000000000..b6400496adc1
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/README.md
@@ -0,0 +1,33 @@
+# a11y_assessments
+
+This app is used for internal testing.
+
+## Release a new version for Android
+
+pre-requisite: This can and should only be done by a googler and you must also
+be in the flutter.dev play console account.
+
+1. Follow https://docs.flutter.dev/deployment/android to create a keystore file if you don't already
+have one.
+
+2. Bump the pubspec.yaml version
+
+3. Create a key.properties file in `android/` directory following this format.
+```
+storePassword=<password>
+keyPassword=<password>
+keyAlias=upload
+storeFile=<keystore path>
+```
+
+4. Run `flutter build appbundle` and upload the artifact to play console
+
+## Release a new version for iOS
+
+pre-requisite: This can and should only be done by a googler and you must also
+be in the FLUTTER.IO LLC developer account with iOS distribution permission.
+
+1. Bump the pubspec.yaml version
+2. Run `flutter build ipa` and upload the artifact to app store using transporter or other tools.
+For more information, see https://docs.flutter.dev/deployment/ios.
+3. Once the app is in TestFlight, add appropriate testers to the app so they can start testing.
\ No newline at end of file
diff --git a/packages/material_ui/a11y_assessments/analysis_options.yaml b/packages/material_ui/a11y_assessments/analysis_options.yaml
new file mode 100644
index 000000000000..51a684f20b72
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/analysis_options.yaml
@@ -0,0 +1,16 @@
+analyzer:
+  exclude:
+    - build/**
+    - android/**
+    - ios/**
+    - web/**
+    - windows/**
+    - macos/**
+    - linux/**
+
+include: ../analysis_options.yaml
+
+linter:
+  rules:
+    public_member_api_docs: false
+
diff --git a/packages/material_ui/a11y_assessments/android/.gitignore b/packages/material_ui/a11y_assessments/android/.gitignore
new file mode 100644
index 000000000000..be3943c96d8e
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/android/.gitignore
@@ -0,0 +1,14 @@
+gradle-wrapper.jar
+/.gradle
+/captures/
+/gradlew
+/gradlew.bat
+/local.properties
+GeneratedPluginRegistrant.java
+.cxx/
+
+# Remember to never publicly share your keystore.
+# See https://flutter.dev/to/reference-keystore
+key.properties
+**/*.keystore
+**/*.jks
diff --git a/packages/material_ui/a11y_assessments/android/app/build.gradle b/packages/material_ui/a11y_assessments/android/app/build.gradle
new file mode 100644
index 000000000000..9ee3a833b109
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/android/app/build.gradle
@@ -0,0 +1,86 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+plugins {
+    id "com.android.application"
+    id "dev.flutter.flutter-gradle-plugin"
+}
+
+def localProperties = new Properties()
+def localPropertiesFile = rootProject.file('local.properties')
+if (localPropertiesFile.exists()) {
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
+    }
+}
+
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = '1'
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = '1.0'
+}
+
+def keystoreProperties = new Properties()
+def keystorePropertiesFile = rootProject.file('key.properties')
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+}
+
+android {
+    namespace = "com.example.a11y_assessments"
+    compileSdk = flutter.compileSdkVersion
+    ndkVersion = flutter.ndkVersion
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+
+    sourceSets {
+        main.java.srcDirs += 'src/main/kotlin'
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId "dev.flutter.a11yassessments"
+        // You can update the following values to match your application needs.
+        // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
+        minSdk = flutter.minSdkVersion
+        targetSdk = flutter.targetSdkVersion
+        versionCode = flutterVersionCode.toInteger()
+        versionName = flutterVersionName
+    }
+   signingConfigs {
+       release {
+           keyAlias keystoreProperties['keyAlias']
+           keyPassword keystoreProperties['keyPassword']
+           storeFile keystoreProperties['storeFile'] ? file(keystoreProperties['storeFile']) : null
+           storePassword keystoreProperties['storePassword']
+       }
+   }
+
+    buildTypes {
+        release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig = signingConfigs.release
+        }
+    }
+}
+
+kotlin {
+    compilerOptions {
+        jvmTarget = org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_17
+    }
+}
+
+flutter {
+    source = '../..'
+}
+
+dependencies {}
diff --git a/packages/material_ui/a11y_assessments/android/app/src/debug/AndroidManifest.xml b/packages/material_ui/a11y_assessments/android/app/src/debug/AndroidManifest.xml
new file mode 100644
index 000000000000..e00f903eae2a
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/android/app/src/debug/AndroidManifest.xml
@@ -0,0 +1,11 @@
+<!-- Copyright 2014 The Flutter Authors. All rights reserved.
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file. -->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>
diff --git a/packages/material_ui/a11y_assessments/android/app/src/main/AndroidManifest.xml b/packages/material_ui/a11y_assessments/android/app/src/main/AndroidManifest.xml
new file mode 100644
index 000000000000..a1c931a7a55b
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/android/app/src/main/AndroidManifest.xml
@@ -0,0 +1,37 @@
+<!-- Copyright 2014 The Flutter Authors. All rights reserved.
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file. -->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <application
+        android:label="a11y_assessments"
+        android:name="${applicationName}"
+        android:icon="@mipmap/ic_launcher">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:launchMode="singleTop"
+            android:theme="@style/LaunchTheme"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize">
+            <!-- Specifies an Android theme to apply to this Activity as soon as
+                 the Android process has started. This theme is visible to the user
+                 while the Flutter UI initializes. After that, this theme continues
+                 to determine the Window background behind the Flutter UI. -->
+            <meta-data
+              android:name="io.flutter.embedding.android.NormalTheme"
+              android:resource="@style/NormalTheme"
+              />
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+        <!-- Don't delete the meta-data below.
+             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
+        <meta-data
+            android:name="flutterEmbedding"
+            android:value="2" />
+    </application>
+</manifest>
diff --git a/packages/material_ui/a11y_assessments/android/app/src/main/kotlin/com/example/a11y_assessments/MainActivity.kt b/packages/material_ui/a11y_assessments/android/app/src/main/kotlin/com/example/a11y_assessments/MainActivity.kt
new file mode 100644
index 000000000000..ad39b4a46ffd
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/android/app/src/main/kotlin/com/example/a11y_assessments/MainActivity.kt
@@ -0,0 +1,5 @@
+package com.example.a11y_assessments
+
+import io.flutter.embedding.android.FlutterActivity
+
+class MainActivity : FlutterActivity()
diff --git a/packages/material_ui/a11y_assessments/android/app/src/main/res/drawable-v21/launch_background.xml b/packages/material_ui/a11y_assessments/android/app/src/main/res/drawable-v21/launch_background.xml
new file mode 100644
index 000000000000..9f19e2f90407
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/android/app/src/main/res/drawable-v21/launch_background.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2014 The Flutter Authors. All rights reserved.
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file. -->
+
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="?android:colorBackground" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>
diff --git a/packages/material_ui/a11y_assessments/android/app/src/main/res/drawable/launch_background.xml b/packages/material_ui/a11y_assessments/android/app/src/main/res/drawable/launch_background.xml
new file mode 100644
index 000000000000..3727f9e00a02
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/android/app/src/main/res/drawable/launch_background.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2014 The Flutter Authors. All rights reserved.
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file. -->
+
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@android:color/white" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>
diff --git a/packages/material_ui/a11y_assessments/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/packages/material_ui/a11y_assessments/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 000000000000..db77bb4b7b09
Binary files /dev/null and b/packages/material_ui/a11y_assessments/android/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/packages/material_ui/a11y_assessments/android/app/src/main/res/mipmap-mdpi/ic_launcher.png b/packages/material_ui/a11y_assessments/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 000000000000..17987b79bb8a
Binary files /dev/null and b/packages/material_ui/a11y_assessments/android/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/packages/material_ui/a11y_assessments/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/packages/material_ui/a11y_assessments/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 000000000000..09d4391482be
Binary files /dev/null and b/packages/material_ui/a11y_assessments/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/packages/material_ui/a11y_assessments/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/packages/material_ui/a11y_assessments/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 000000000000..d5f1c8d34e7a
Binary files /dev/null and b/packages/material_ui/a11y_assessments/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/packages/material_ui/a11y_assessments/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/packages/material_ui/a11y_assessments/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 000000000000..4d6372eebdb2
Binary files /dev/null and b/packages/material_ui/a11y_assessments/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/packages/material_ui/a11y_assessments/android/app/src/main/res/values-night/styles.xml b/packages/material_ui/a11y_assessments/android/app/src/main/res/values-night/styles.xml
new file mode 100644
index 000000000000..f3ab3e83cd36
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/android/app/src/main/res/values-night/styles.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2014 The Flutter Authors. All rights reserved.
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file. -->
+
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             the Flutter engine draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>
diff --git a/packages/material_ui/a11y_assessments/android/app/src/main/res/values/styles.xml b/packages/material_ui/a11y_assessments/android/app/src/main/res/values/styles.xml
new file mode 100644
index 000000000000..9a0ead3c04f7
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/android/app/src/main/res/values/styles.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2014 The Flutter Authors. All rights reserved.
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file. -->
+
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             the Flutter engine draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>
diff --git a/packages/material_ui/a11y_assessments/android/app/src/profile/AndroidManifest.xml b/packages/material_ui/a11y_assessments/android/app/src/profile/AndroidManifest.xml
new file mode 100644
index 000000000000..e00f903eae2a
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/android/app/src/profile/AndroidManifest.xml
@@ -0,0 +1,11 @@
+<!-- Copyright 2014 The Flutter Authors. All rights reserved.
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file. -->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>
diff --git a/packages/material_ui/a11y_assessments/android/build.gradle b/packages/material_ui/a11y_assessments/android/build.gradle
new file mode 100644
index 000000000000..c56251bb0a18
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/android/build.gradle
@@ -0,0 +1,35 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// This file is auto generated.
+// To update all the build.gradle files in the Flutter repo,
+// See dev/tools/bin/generate_gradle_lockfiles.dart.
+
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.layout.buildDirectory.value(rootProject.layout.buildDirectory.dir("../../build").get())
+
+subprojects {
+    project.layout.buildDirectory.value(rootProject.layout.buildDirectory.dir(project.name).get())
+}
+subprojects {
+    project.evaluationDependsOn(':app')
+    dependencyLocking {
+        ignoredDependencies.add('io.flutter:*')
+        lockFile = file("${rootProject.projectDir}/project-${project.name}.lockfile")
+        def ignoreFile = file("${rootProject.projectDir}/.ignore-locking.md")
+        if (!ignoreFile.exists() && !project.hasProperty('local-engine-repo')) {
+          lockAllConfigurations()
+        }
+    }
+}
+
+tasks.register("clean", Delete) {
+    delete rootProject.layout.buildDirectory
+}
diff --git a/packages/material_ui/a11y_assessments/android/buildscript-gradle.lockfile b/packages/material_ui/a11y_assessments/android/buildscript-gradle.lockfile
new file mode 100644
index 000000000000..4bae013a7322
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/android/buildscript-gradle.lockfile
@@ -0,0 +1,121 @@
+# This is a Gradle generated file for dependency locking.
+# Manual edits can break the build and are not advised.
+# This file is expected to be part of source control.
+androidx.databinding:databinding-common:9.1.0=classpath
+androidx.databinding:databinding-compiler-common:9.1.0=classpath
+com.android.application:com.android.application.gradle.plugin:9.1.0=classpath
+com.android.databinding:baseLibrary:9.1.0=classpath
+com.android.tools.analytics-library:crash:32.1.0=classpath
+com.android.tools.analytics-library:protos:32.1.0=classpath
+com.android.tools.analytics-library:shared:32.1.0=classpath
+com.android.tools.analytics-library:tracker:32.1.0=classpath
+com.android.tools.build.jetifier:jetifier-core:1.0.0-beta10=classpath
+com.android.tools.build.jetifier:jetifier-processor:1.0.0-beta10=classpath
+com.android.tools.build:aapt2-proto:9.1.0-14792394=classpath
+com.android.tools.build:aaptcompiler:9.1.0=classpath
+com.android.tools.build:apksig:9.1.0=classpath
+com.android.tools.build:apkzlib:9.1.0=classpath
+com.android.tools.build:builder-model:9.1.0=classpath
+com.android.tools.build:builder-test-api:9.1.0=classpath
+com.android.tools.build:builder:9.1.0=classpath
+com.android.tools.build:bundletool:1.18.3=classpath
+com.android.tools.build:gradle-api:9.1.0=classpath
+com.android.tools.build:gradle-common-api:9.1.0=classpath
+com.android.tools.build:gradle-settings-api:9.1.0=classpath
+com.android.tools.build:gradle:9.1.0=classpath
+com.android.tools.build:manifest-merger:32.1.0=classpath
+com.android.tools.ddms:ddmlib:32.1.0=classpath
+com.android.tools.layoutlib:layoutlib-api:32.1.0=classpath
+com.android.tools.lint:lint-model:32.1.0=classpath
+com.android.tools.lint:lint-typedef-remover:32.1.0=classpath
+com.android.tools.utp:gradle-work-action-api:32.1.0=classpath
+com.android.tools:annotations:32.1.0=classpath
+com.android.tools:common:32.1.0=classpath
+com.android.tools:dvlib:32.1.0=classpath
+com.android.tools:repository:32.1.0=classpath
+com.android.tools:sdk-common:32.1.0=classpath
+com.android.tools:sdklib:32.1.0=classpath
+com.android:signflinger:9.1.0=classpath
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diff --git a/packages/material_ui/a11y_assessments/android/gradle.properties b/packages/material_ui/a11y_assessments/android/gradle.properties
new file mode 100644
index 000000000000..d5da7278a400
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/android/gradle.properties
@@ -0,0 +1,6 @@
+org.gradle.jvmargs=-Xmx8G -XX:MaxMetaspaceSize=4G -XX:ReservedCodeCacheSize=512m -XX:+HeapDumpOnOutOfMemoryError
+android.useAndroidX=true
+# This builtInKotlin flag was added automatically by Flutter migrator
+android.builtInKotlin=false
+# This newDsl flag was added automatically by Flutter migrator
+android.newDsl=false
diff --git a/packages/material_ui/a11y_assessments/android/gradle/wrapper/gradle-wrapper.properties b/packages/material_ui/a11y_assessments/android/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 000000000000..bdc0141f5311
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/android/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.1-bin.zip
diff --git a/packages/material_ui/a11y_assessments/android/project-app.lockfile b/packages/material_ui/a11y_assessments/android/project-app.lockfile
new file mode 100644
index 000000000000..10ab059f50eb
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/android/project-app.lockfile
@@ -0,0 +1,295 @@
+# This is a Gradle generated file for dependency locking.
+# Manual edits can break the build and are not advised.
+# This file is expected to be part of source control.
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+org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.6.4=_internal-unified-test-platform-android-test-plugin-host-retention
+org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.7.1=debugAndroidTestCompileClasspath,debugAndroidTestLintChecksClasspath,debugCompileClasspath,debugLintChecksClasspath,debugRuntimeClasspath,debugUnitTestCompileClasspath,debugUnitTestLintChecksClasspath,debugUnitTestRuntimeClasspath,profileCompileClasspath,profileLintChecksClasspath,profileRuntimeClasspath,profileUnitTestCompileClasspath,profileUnitTestRuntimeClasspath,releaseCompileClasspath,releaseLintChecksClasspath,releaseRuntimeClasspath,releaseUnitTestCompileClasspath,releaseUnitTestRuntimeClasspath
+org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.7.3=_internal-unified-test-platform-android-device-provider-ddmlib,_internal-unified-test-platform-android-device-provider-gradle,_internal-unified-test-platform-android-driver-instrumentation,_internal-unified-test-platform-android-test-plugin,_internal-unified-test-platform-android-test-plugin-host-additional-test-output,_internal-unified-test-platform-android-test-plugin-host-apk-installer,_internal-unified-test-platform-android-test-plugin-host-coverage,_internal-unified-test-platform-android-test-plugin-host-device-info,_internal-unified-test-platform-android-test-plugin-host-emulator-control,_internal-unified-test-platform-android-test-plugin-host-logcat,_internal-unified-test-platform-core,_internal-unified-test-platform-gradle-work-action,_internal-unified-test-platform-launcher
+org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.8.0=kotlinAbiValidationCompatClasspath,kotlinBuildToolsApiClasspath,kotlinCompilerClasspath,kotlinKlibCommonizerClasspath,swiftExportClasspathResolvable
+org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.9.0=_internal-unified-test-platform-android-test-plugin-result-listener-gradle
+org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4=_internal-unified-test-platform-android-test-plugin-host-retention
+org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.1=debugAndroidTestCompileClasspath,debugAndroidTestLintChecksClasspath,debugApiDependenciesMetadata,debugCompileClasspath,debugLintChecksClasspath,debugRuntimeClasspath,debugUnitTestCompileClasspath,debugUnitTestLintChecksClasspath,debugUnitTestRuntimeClasspath,profileApiDependenciesMetadata,profileCompileClasspath,profileLintChecksClasspath,profileRuntimeClasspath,profileUnitTestCompileClasspath,profileUnitTestRuntimeClasspath,releaseApiDependenciesMetadata,releaseCompileClasspath,releaseLintChecksClasspath,releaseRuntimeClasspath,releaseUnitTestCompileClasspath,releaseUnitTestRuntimeClasspath
+org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.3=_internal-unified-test-platform-android-device-provider-ddmlib,_internal-unified-test-platform-android-device-provider-gradle,_internal-unified-test-platform-android-test-plugin-host-additional-test-output,_internal-unified-test-platform-android-test-plugin-host-apk-installer,_internal-unified-test-platform-android-test-plugin-host-coverage,_internal-unified-test-platform-android-test-plugin-host-device-info,_internal-unified-test-platform-android-test-plugin-host-emulator-control,_internal-unified-test-platform-android-test-plugin-host-logcat,_internal-unified-test-platform-core,_internal-unified-test-platform-gradle-work-action,_internal-unified-test-platform-launcher
+org.jetbrains.kotlinx:kotlinx-coroutines-core:1.9.0=_internal-unified-test-platform-android-test-plugin-result-listener-gradle
+org.jetbrains.kotlinx:kotlinx-serialization-bom:1.7.3=swiftExportClasspathResolvable
+org.jetbrains.kotlinx:kotlinx-serialization-core-jvm:1.7.3=swiftExportClasspathResolvable
+org.jetbrains.kotlinx:kotlinx-serialization-core:1.7.3=swiftExportClasspathResolvable
+org.jetbrains:annotations:13.0=_internal-unified-test-platform-android-test-plugin-host-retention,debugApiDependenciesMetadata,kotlinAbiValidationCompatClasspath,kotlinBuildToolsApiClasspath,kotlinCompilerClasspath,kotlinInternalAbiValidation,kotlinKlibCommonizerClasspath,profileApiDependenciesMetadata,releaseApiDependenciesMetadata,swiftExportClasspathResolvable
+org.jetbrains:annotations:23.0.0=_internal-unified-test-platform-android-device-provider-ddmlib,_internal-unified-test-platform-android-device-provider-gradle,_internal-unified-test-platform-android-driver-instrumentation,_internal-unified-test-platform-android-test-plugin,_internal-unified-test-platform-android-test-plugin-host-additional-test-output,_internal-unified-test-platform-android-test-plugin-host-apk-installer,_internal-unified-test-platform-android-test-plugin-host-coverage,_internal-unified-test-platform-android-test-plugin-host-device-info,_internal-unified-test-platform-android-test-plugin-host-emulator-control,_internal-unified-test-platform-android-test-plugin-host-logcat,_internal-unified-test-platform-android-test-plugin-result-listener-gradle,_internal-unified-test-platform-core,_internal-unified-test-platform-gradle-work-action,_internal-unified-test-platform-launcher,debugAndroidTestCompileClasspath,debugAndroidTestLintChecksClasspath,debugCompileClasspath,debugLintChecksClasspath,debugRuntimeClasspath,debugUnitTestCompileClasspath,debugUnitTestLintChecksClasspath,debugUnitTestRuntimeClasspath,profileCompileClasspath,profileLintChecksClasspath,profileRuntimeClasspath,profileUnitTestCompileClasspath,profileUnitTestRuntimeClasspath,releaseCompileClasspath,releaseLintChecksClasspath,releaseRuntimeClasspath,releaseUnitTestCompileClasspath,releaseUnitTestRuntimeClasspath
+org.jspecify:jspecify:1.0.0=debugAndroidTestCompileClasspath,debugAndroidTestLintChecksClasspath,debugApiDependenciesMetadata,debugCompileClasspath,debugLintChecksClasspath,debugRuntimeClasspath,debugUnitTestCompileClasspath,debugUnitTestLintChecksClasspath,debugUnitTestRuntimeClasspath,profileApiDependenciesMetadata,profileCompileClasspath,profileLintChecksClasspath,profileRuntimeClasspath,profileUnitTestCompileClasspath,profileUnitTestRuntimeClasspath,releaseApiDependenciesMetadata,releaseCompileClasspath,releaseLintChecksClasspath,releaseRuntimeClasspath,releaseUnitTestCompileClasspath,releaseUnitTestRuntimeClasspath
+org.jvnet.staxex:stax-ex:1.8.1=_internal-unified-test-platform-android-test-plugin-result-listener-gradle
+org.ow2.asm:asm-commons:9.9=androidJacocoAnt
+org.ow2.asm:asm-tree:9.9=androidJacocoAnt
+org.ow2.asm:asm:9.9=androidJacocoAnt
+empty=androidApis,androidJdkImage,androidTestApiDependenciesMetadata,androidTestCompileOnlyDependenciesMetadata,androidTestDebugApiDependenciesMetadata,androidTestDebugCompileOnlyDependenciesMetadata,androidTestDebugImplementationDependenciesMetadata,androidTestDebugIntransitiveDependenciesMetadata,androidTestDebugRuntimeOnlyDependenciesMetadata,androidTestImplementationDependenciesMetadata,androidTestIntransitiveDependenciesMetadata,androidTestProfileApiDependenciesMetadata,androidTestProfileCompileOnlyDependenciesMetadata,androidTestProfileImplementationDependenciesMetadata,androidTestProfileIntransitiveDependenciesMetadata,androidTestProfileRuntimeOnlyDependenciesMetadata,androidTestReleaseApiDependenciesMetadata,androidTestReleaseCompileOnlyDependenciesMetadata,androidTestReleaseImplementationDependenciesMetadata,androidTestReleaseIntransitiveDependenciesMetadata,androidTestReleaseRuntimeOnlyDependenciesMetadata,androidTestRuntimeOnlyDependenciesMetadata,androidTestUtil,compileOnlyDependenciesMetadata,coreLibraryDesugaring,debugAndroidTestAnnotationProcessorClasspath,debugAndroidTestApiDependenciesMetadata,debugAndroidTestCompileOnlyDependenciesMetadata,debugAndroidTestImplementationDependenciesMetadata,debugAndroidTestIntransitiveDependenciesMetadata,debugAndroidTestRuntimeClasspath,debugAndroidTestRuntimeOnlyDependenciesMetadata,debugAnnotationProcessorClasspath,debugCompileOnlyDependenciesMetadata,debugImplementationDependenciesMetadata,debugIntransitiveDependenciesMetadata,debugReverseMetadataValues,debugRuntimeOnlyDependenciesMetadata,debugUnitTestAnnotationProcessorClasspath,debugUnitTestApiDependenciesMetadata,debugUnitTestCompileOnlyDependenciesMetadata,debugUnitTestImplementationDependenciesMetadata,debugUnitTestIntransitiveDependenciesMetadata,debugUnitTestRuntimeOnlyDependenciesMetadata,debugWearBundling,implementationDependenciesMetadata,intransitiveDependenciesMetadata,kotlinCompilerPluginClasspath,kotlinCompilerPluginClasspathDebug,kotlinCompilerPluginClasspathDebugAndroidTest,kotlinCompilerPluginClasspathDebugUnitTest,kotlinCompilerPluginClasspathProfile,kotlinCompilerPluginClasspathProfileUnitTest,kotlinCompilerPluginClasspathRelease,kotlinCompilerPluginClasspathReleaseUnitTest,kotlinNativeCompilerPluginClasspath,lintChecks,lintPublish,profileAnnotationProcessorClasspath,profileCompileOnlyDependenciesMetadata,profileImplementationDependenciesMetadata,profileIntransitiveDependenciesMetadata,profileReverseMetadataValues,profileRuntimeOnlyDependenciesMetadata,profileUnitTestAnnotationProcessorClasspath,profileUnitTestApiDependenciesMetadata,profileUnitTestCompileOnlyDependenciesMetadata,profileUnitTestImplementationDependenciesMetadata,profileUnitTestIntransitiveDependenciesMetadata,profileUnitTestRuntimeOnlyDependenciesMetadata,profileWearBundling,releaseAnnotationProcessorClasspath,releaseCompileOnlyDependenciesMetadata,releaseImplementationDependenciesMetadata,releaseIntransitiveDependenciesMetadata,releaseReverseMetadataValues,releaseRuntimeOnlyDependenciesMetadata,releaseUnitTestAnnotationProcessorClasspath,releaseUnitTestApiDependenciesMetadata,releaseUnitTestCompileOnlyDependenciesMetadata,releaseUnitTestImplementationDependenciesMetadata,releaseUnitTestIntransitiveDependenciesMetadata,releaseUnitTestRuntimeOnlyDependenciesMetadata,releaseWearBundling,runtimeOnlyDependenciesMetadata,testApiDependenciesMetadata,testCompileOnlyDependenciesMetadata,testDebugApiDependenciesMetadata,testDebugCompileOnlyDependenciesMetadata,testDebugImplementationDependenciesMetadata,testDebugIntransitiveDependenciesMetadata,testDebugRuntimeOnlyDependenciesMetadata,testFixturesApiDependenciesMetadata,testFixturesCompileOnlyDependenciesMetadata,testFixturesDebugApiDependenciesMetadata,testFixturesDebugCompileOnlyDependenciesMetadata,testFixturesDebugImplementationDependenciesMetadata,testFixturesDebugIntransitiveDependenciesMetadata,testFixturesDebugRuntimeOnlyDependenciesMetadata,testFixturesImplementationDependenciesMetadata,testFixturesIntransitiveDependenciesMetadata,testFixturesProfileApiDependenciesMetadata,testFixturesProfileCompileOnlyDependenciesMetadata,testFixturesProfileImplementationDependenciesMetadata,testFixturesProfileIntransitiveDependenciesMetadata,testFixturesProfileRuntimeOnlyDependenciesMetadata,testFixturesReleaseApiDependenciesMetadata,testFixturesReleaseCompileOnlyDependenciesMetadata,testFixturesReleaseImplementationDependenciesMetadata,testFixturesReleaseIntransitiveDependenciesMetadata,testFixturesReleaseRuntimeOnlyDependenciesMetadata,testFixturesRuntimeOnlyDependenciesMetadata,testImplementationDependenciesMetadata,testIntransitiveDependenciesMetadata,testProfileApiDependenciesMetadata,testProfileCompileOnlyDependenciesMetadata,testProfileImplementationDependenciesMetadata,testProfileIntransitiveDependenciesMetadata,testProfileRuntimeOnlyDependenciesMetadata,testReleaseApiDependenciesMetadata,testReleaseCompileOnlyDependenciesMetadata,testReleaseImplementationDependenciesMetadata,testReleaseIntransitiveDependenciesMetadata,testReleaseRuntimeOnlyDependenciesMetadata,testRuntimeOnlyDependenciesMetadata
diff --git a/packages/material_ui/a11y_assessments/android/settings.gradle b/packages/material_ui/a11y_assessments/android/settings.gradle
new file mode 100644
index 000000000000..6434e4178247
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/android/settings.gradle
@@ -0,0 +1,41 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// This file is auto generated.
+// To update all the settings.gradle files in the Flutter repo,
+// See dev/tools/bin/generate_gradle_lockfiles.dart.
+
+pluginManagement {
+    def flutterSdkPath = {
+        def properties = new Properties()
+        file("local.properties").withInputStream { properties.load(it) }
+        def flutterSdkPath = properties.getProperty("flutter.sdk")
+        assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
+        return flutterSdkPath
+    }
+    settings.ext.flutterSdkPath = flutterSdkPath()
+
+    includeBuild("${settings.ext.flutterSdkPath}/packages/flutter_tools/gradle")
+
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+
+buildscript {
+    dependencyLocking {
+        lockFile = file("${rootProject.projectDir}/buildscript-gradle.lockfile")
+        lockAllConfigurations()
+    }
+}
+
+plugins {
+    id "dev.flutter.flutter-plugin-loader" version "1.0.0"
+    id "com.android.application" version "9.1.0" apply false
+    id "org.jetbrains.kotlin.android" version "2.4.0" apply false
+}
+
+include ":app"
diff --git a/packages/material_ui/a11y_assessments/ios/.gitignore b/packages/material_ui/a11y_assessments/ios/.gitignore
new file mode 100644
index 000000000000..7a7f9873ad7d
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/.gitignore
@@ -0,0 +1,34 @@
+**/dgph
+*.mode1v3
+*.mode2v3
+*.moved-aside
+*.pbxuser
+*.perspectivev3
+**/*sync/
+.sconsign.dblite
+.tags*
+**/.vagrant/
+**/DerivedData/
+Icon?
+**/Pods/
+**/.symlinks/
+profile
+xcuserdata
+**/.generated/
+Flutter/App.framework
+Flutter/Flutter.framework
+Flutter/Flutter.podspec
+Flutter/Generated.xcconfig
+Flutter/ephemeral/
+Flutter/app.flx
+Flutter/app.zip
+Flutter/flutter_assets/
+Flutter/flutter_export_environment.sh
+ServiceDefinitions.json
+Runner/GeneratedPluginRegistrant.*
+
+# Exceptions to above rules.
+!default.mode1v3
+!default.mode2v3
+!default.pbxuser
+!default.perspectivev3
diff --git a/packages/material_ui/a11y_assessments/ios/Flutter/AppFrameworkInfo.plist b/packages/material_ui/a11y_assessments/ios/Flutter/AppFrameworkInfo.plist
new file mode 100644
index 000000000000..391a902b2beb
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Flutter/AppFrameworkInfo.plist
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>CFBundleDevelopmentRegion</key>
+  <string>en</string>
+  <key>CFBundleExecutable</key>
+  <string>App</string>
+  <key>CFBundleIdentifier</key>
+  <string>io.flutter.flutter.app</string>
+  <key>CFBundleInfoDictionaryVersion</key>
+  <string>6.0</string>
+  <key>CFBundleName</key>
+  <string>App</string>
+  <key>CFBundlePackageType</key>
+  <string>FMWK</string>
+  <key>CFBundleShortVersionString</key>
+  <string>1.0</string>
+  <key>CFBundleSignature</key>
+  <string>????</string>
+  <key>CFBundleVersion</key>
+  <string>1.0</string>
+</dict>
+</plist>
diff --git a/packages/material_ui/a11y_assessments/ios/Flutter/Debug.xcconfig b/packages/material_ui/a11y_assessments/ios/Flutter/Debug.xcconfig
new file mode 100644
index 000000000000..592ceee85b89
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Flutter/Debug.xcconfig
@@ -0,0 +1 @@
+#include "Generated.xcconfig"
diff --git a/packages/material_ui/a11y_assessments/ios/Flutter/Release.xcconfig b/packages/material_ui/a11y_assessments/ios/Flutter/Release.xcconfig
new file mode 100644
index 000000000000..592ceee85b89
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Flutter/Release.xcconfig
@@ -0,0 +1 @@
+#include "Generated.xcconfig"
diff --git a/packages/material_ui/a11y_assessments/ios/Runner.xcodeproj/project.pbxproj b/packages/material_ui/a11y_assessments/ios/Runner.xcodeproj/project.pbxproj
new file mode 100644
index 000000000000..9c51c5395275
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Runner.xcodeproj/project.pbxproj
@@ -0,0 +1,613 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 54;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; };
+		331C808B294A63AB00263BE5 /* RunnerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 331C807B294A618700263BE5 /* RunnerTests.swift */; };
+		3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
+		74858FAF1ED2DC5600515810 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74858FAE1ED2DC5600515810 /* AppDelegate.swift */; };
+		97C146FC1CF9000F007C117D /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FA1CF9000F007C117D /* Main.storyboard */; };
+		97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FD1CF9000F007C117D /* Assets.xcassets */; };
+		97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */; };
+/* End PBXBuildFile section */
+
+/* Begin PBXContainerItemProxy section */
+		331C8085294A63A400263BE5 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 97C146E61CF9000F007C117D /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = 97C146ED1CF9000F007C117D;
+			remoteInfo = Runner;
+		};
+/* End PBXContainerItemProxy section */
+
+/* Begin PBXCopyFilesBuildPhase section */
+		9705A1C41CF9048500538489 /* Embed Frameworks */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = "";
+			dstSubfolderSpec = 10;
+			files = (
+			);
+			name = "Embed Frameworks";
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXCopyFilesBuildPhase section */
+
+/* Begin PBXFileReference section */
+		1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GeneratedPluginRegistrant.h; sourceTree = "<group>"; };
+		1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GeneratedPluginRegistrant.m; sourceTree = "<group>"; };
+		331C807B294A618700263BE5 /* RunnerTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RunnerTests.swift; sourceTree = "<group>"; };
+		331C8081294A63A400263BE5 /* RunnerTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = RunnerTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
+		3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
+		74858FAD1ED2DC5600515810 /* Runner-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Runner-Bridging-Header.h"; sourceTree = "<group>"; };
+		74858FAE1ED2DC5600515810 /* AppDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
+		7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = "<group>"; };
+		9740EEB21CF90195004384FC /* Debug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Debug.xcconfig; path = Flutter/Debug.xcconfig; sourceTree = "<group>"; };
+		9740EEB31CF90195004384FC /* Generated.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Generated.xcconfig; path = Flutter/Generated.xcconfig; sourceTree = "<group>"; };
+		97C146EE1CF9000F007C117D /* Runner.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Runner.app; sourceTree = BUILT_PRODUCTS_DIR; };
+		97C146FB1CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
+		97C146FD1CF9000F007C117D /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
+		97C147001CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
+		97C147021CF9000F007C117D /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
+/* End PBXFileReference section */
+
+/* Begin PBXFrameworksBuildPhase section */
+		97C146EB1CF9000F007C117D /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXFrameworksBuildPhase section */
+
+/* Begin PBXGroup section */
+		331C8082294A63A400263BE5 /* RunnerTests */ = {
+			isa = PBXGroup;
+			children = (
+				331C807B294A618700263BE5 /* RunnerTests.swift */,
+			);
+			path = RunnerTests;
+			sourceTree = "<group>";
+		};
+		9740EEB11CF90186004384FC /* Flutter */ = {
+			isa = PBXGroup;
+			children = (
+				3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */,
+				9740EEB21CF90195004384FC /* Debug.xcconfig */,
+				7AFA3C8E1D35360C0083082E /* Release.xcconfig */,
+				9740EEB31CF90195004384FC /* Generated.xcconfig */,
+			);
+			name = Flutter;
+			sourceTree = "<group>";
+		};
+		97C146E51CF9000F007C117D = {
+			isa = PBXGroup;
+			children = (
+				9740EEB11CF90186004384FC /* Flutter */,
+				97C146F01CF9000F007C117D /* Runner */,
+				97C146EF1CF9000F007C117D /* Products */,
+				331C8082294A63A400263BE5 /* RunnerTests */,
+			);
+			sourceTree = "<group>";
+		};
+		97C146EF1CF9000F007C117D /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				97C146EE1CF9000F007C117D /* Runner.app */,
+				331C8081294A63A400263BE5 /* RunnerTests.xctest */,
+			);
+			name = Products;
+			sourceTree = "<group>";
+		};
+		97C146F01CF9000F007C117D /* Runner */ = {
+			isa = PBXGroup;
+			children = (
+				97C146FA1CF9000F007C117D /* Main.storyboard */,
+				97C146FD1CF9000F007C117D /* Assets.xcassets */,
+				97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */,
+				97C147021CF9000F007C117D /* Info.plist */,
+				1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */,
+				1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */,
+				74858FAE1ED2DC5600515810 /* AppDelegate.swift */,
+				74858FAD1ED2DC5600515810 /* Runner-Bridging-Header.h */,
+			);
+			path = Runner;
+			sourceTree = "<group>";
+		};
+/* End PBXGroup section */
+
+/* Begin PBXNativeTarget section */
+		331C8080294A63A400263BE5 /* RunnerTests */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 331C8087294A63A400263BE5 /* Build configuration list for PBXNativeTarget "RunnerTests" */;
+			buildPhases = (
+				331C807D294A63A400263BE5 /* Sources */,
+				331C807F294A63A400263BE5 /* Resources */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+				331C8086294A63A400263BE5 /* PBXTargetDependency */,
+			);
+			name = RunnerTests;
+			productName = RunnerTests;
+			productReference = 331C8081294A63A400263BE5 /* RunnerTests.xctest */;
+			productType = "com.apple.product-type.bundle.unit-test";
+		};
+		97C146ED1CF9000F007C117D /* Runner */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */;
+			buildPhases = (
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diff --git a/packages/material_ui/a11y_assessments/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/packages/material_ui/a11y_assessments/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 000000000000..919434a6254f
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>
diff --git a/packages/material_ui/a11y_assessments/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/packages/material_ui/a11y_assessments/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 000000000000..18d981003d68
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
diff --git a/packages/material_ui/a11y_assessments/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/packages/material_ui/a11y_assessments/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
new file mode 100644
index 000000000000..f9b0d7c5ea15
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>PreviewsEnabled</key>
+	<false/>
+</dict>
+</plist>
diff --git a/packages/material_ui/a11y_assessments/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/packages/material_ui/a11y_assessments/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
new file mode 100644
index 000000000000..15cada4838e2
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1510"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+               BuildableName = "Runner.app"
+               BlueprintName = "Runner"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <Testables>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "331C8080294A63A400263BE5"
+               BuildableName = "RunnerTests.xctest"
+               BlueprintName = "RunnerTests"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      enableGPUValidationMode = "1"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Profile"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/packages/material_ui/a11y_assessments/ios/Runner.xcworkspace/contents.xcworkspacedata b/packages/material_ui/a11y_assessments/ios/Runner.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 000000000000..1d526a16ed0f
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Runner.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+</Workspace>
diff --git a/packages/material_ui/a11y_assessments/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/packages/material_ui/a11y_assessments/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 000000000000..18d981003d68
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
diff --git a/packages/material_ui/a11y_assessments/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/packages/material_ui/a11y_assessments/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
new file mode 100644
index 000000000000..f9b0d7c5ea15
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>PreviewsEnabled</key>
+	<false/>
+</dict>
+</plist>
diff --git a/packages/material_ui/a11y_assessments/ios/Runner/AppDelegate.swift b/packages/material_ui/a11y_assessments/ios/Runner/AppDelegate.swift
new file mode 100644
index 000000000000..68cf615f9bab
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Runner/AppDelegate.swift
@@ -0,0 +1,22 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import Flutter
+import UIKit
+
+@main
+@objc class AppDelegate: FlutterAppDelegate {
+  override func application(
+    _ application: UIApplication,
+    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
+  ) -> Bool {
+    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
+  }
+}
+
+extension AppDelegate: FlutterImplicitEngineDelegate {
+  func didInitializeImplicitFlutterEngine(_ engineBridge: FlutterImplicitEngineBridge) {
+    GeneratedPluginRegistrant.register(with: engineBridge.pluginRegistry)
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json b/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
new file mode 100644
index 000000000000..d36b1fab2d9d
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
@@ -0,0 +1,122 @@
+{
+  "images" : [
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-20x20@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-20x20@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-20x20@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-20x20@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "83.5x83.5",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-83.5x83.5@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "1024x1024",
+      "idiom" : "ios-marketing",
+      "filename" : "Icon-App-1024x1024@1x.png",
+      "scale" : "1x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png b/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png
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diff --git a/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png b/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png
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new file mode 100644
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new file mode 100644
index 000000000000..a6d6b8609df0
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diff --git a/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png b/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png
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diff --git a/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png b/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png
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diff --git a/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png b/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png
new file mode 100644
index 000000000000..6a84f41e14e2
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diff --git a/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png b/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png
new file mode 100644
index 000000000000..d0e1f5853602
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diff --git a/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json b/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json
new file mode 100644
index 000000000000..0bedcf2fd467
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json
@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png b/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png
new file mode 100644
index 000000000000..9da19eacad3b
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diff --git a/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png b/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png
new file mode 100644
index 000000000000..9da19eacad3b
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diff --git a/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png b/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png
new file mode 100644
index 000000000000..9da19eacad3b
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diff --git a/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md b/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md
new file mode 100644
index 000000000000..89c2725b70f1
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md
@@ -0,0 +1,5 @@
+# Launch Screen Assets
+
+You can customize the launch screen with your own desired assets by replacing the image files in this directory.
+
+You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images.
\ No newline at end of file
diff --git a/packages/material_ui/a11y_assessments/ios/Runner/Base.lproj/LaunchScreen.storyboard b/packages/material_ui/a11y_assessments/ios/Runner/Base.lproj/LaunchScreen.storyboard
new file mode 100644
index 000000000000..f2e259c7c939
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Runner/Base.lproj/LaunchScreen.storyboard
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12121" systemVersion="16G29" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12089"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="Ydg-fD-yQy"/>
+                        <viewControllerLayoutGuide type="bottom" id="xbc-2k-c8Z"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
+                            </imageView>
+                        </subviews>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <constraints>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
+                        </constraints>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+    <resources>
+        <image name="LaunchImage" width="168" height="185"/>
+    </resources>
+</document>
diff --git a/packages/material_ui/a11y_assessments/ios/Runner/Base.lproj/Main.storyboard b/packages/material_ui/a11y_assessments/ios/Runner/Base.lproj/Main.storyboard
new file mode 100644
index 000000000000..f3c28516fb38
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Runner/Base.lproj/Main.storyboard
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
+    </dependencies>
+    <scenes>
+        <!--Flutter View Controller-->
+        <scene sceneID="tne-QT-ifu">
+            <objects>
+                <viewController id="BYZ-38-t0r" customClass="FlutterViewController" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
+                        <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
+            </objects>
+        </scene>
+    </scenes>
+</document>
diff --git a/packages/material_ui/a11y_assessments/ios/Runner/Info.plist b/packages/material_ui/a11y_assessments/ios/Runner/Info.plist
new file mode 100644
index 000000000000..0249c9c6bd69
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Runner/Info.plist
@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleDisplayName</key>
+	<string>A11y Assessments</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>a11y_assessments</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(FLUTTER_BUILD_NAME)</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>$(FLUTTER_BUILD_NUMBER)</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Main</string>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>CADisableMinimumFrameDurationOnPhone</key>
+	<true/>
+	<key>UIApplicationSupportsIndirectInputEvents</key>
+	<true/>
+	<key>UIApplicationSceneManifest</key>
+	<dict>
+		<key>UIApplicationSupportsMultipleScenes</key>
+		<false/>
+		<key>UISceneConfigurations</key>
+		<dict>
+			<key>UIWindowSceneSessionRoleApplication</key>
+			<array>
+				<dict>
+					<key>UISceneClassName</key>
+					<string>UIWindowScene</string>
+					<key>UISceneDelegateClassName</key>
+					<string>FlutterSceneDelegate</string>
+					<key>UISceneConfigurationName</key>
+					<string>flutter</string>
+					<key>UISceneStoryboardFile</key>
+					<string>Main</string>
+				</dict>
+			</array>
+		</dict>
+	</dict>
+</dict>
+</plist>
diff --git a/packages/material_ui/a11y_assessments/ios/Runner/Runner-Bridging-Header.h b/packages/material_ui/a11y_assessments/ios/Runner/Runner-Bridging-Header.h
new file mode 100644
index 000000000000..95b7baf386d0
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/Runner/Runner-Bridging-Header.h
@@ -0,0 +1,5 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#import "GeneratedPluginRegistrant.h"
diff --git a/packages/material_ui/a11y_assessments/ios/RunnerTests/RunnerTests.swift b/packages/material_ui/a11y_assessments/ios/RunnerTests/RunnerTests.swift
new file mode 100644
index 000000000000..6bfa573763f8
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/ios/RunnerTests/RunnerTests.swift
@@ -0,0 +1,16 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import Flutter
+import UIKit
+import XCTest
+
+class RunnerTests: XCTestCase {
+
+  func testExample() {
+    // If you add code to the Runner application, consider adding tests here.
+    // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
+  }
+
+}
diff --git a/packages/material_ui/a11y_assessments/lib/common/dynamic_title.dart b/packages/material_ui/a11y_assessments/lib/common/dynamic_title.dart
new file mode 100644
index 000000000000..2097820a841b
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/common/dynamic_title.dart
@@ -0,0 +1,17 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+
+class DynamicTitle extends StatelessWidget {
+  const DynamicTitle({super.key, required this.title, required this.child});
+
+  final String title;
+  final Widget child;
+
+  @override
+  Widget build(BuildContext context) {
+    return Title(title: title, color: Theme.of(context).colorScheme.primary, child: child);
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/main.dart b/packages/material_ui/a11y_assessments/lib/main.dart
new file mode 100644
index 000000000000..d796a6678730
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/main.dart
@@ -0,0 +1,171 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/rendering.dart';
+import 'package:material_ui/material_ui.dart';
+
+import 'use_cases/use_cases.dart';
+
+void main() {
+  runApp(const App());
+  if (kIsWeb) {
+    SemanticsBinding.instance.ensureSemantics();
+  }
+}
+
+ThemeData _buildTheme({required Brightness brightness, double contrastLevel = 0.0}) {
+  final scheme = ColorScheme.fromSeed(
+    brightness: brightness,
+    seedColor: const Color(0xff6750a4),
+    contrastLevel: contrastLevel,
+  );
+  return ThemeData(
+    colorScheme: scheme,
+    appBarTheme: AppBarTheme(backgroundColor: scheme.primary, foregroundColor: scheme.onPrimary),
+    pageTransitionsTheme: PageTransitionsTheme(
+      builders: <TargetPlatform, PageTransitionsBuilder>{
+        for (final TargetPlatform platform in TargetPlatform.values)
+          platform: const FadeForwardsPageTransitionsBuilder(),
+      },
+    ),
+  );
+}
+
+final ThemeData _lightTheme = _buildTheme(brightness: Brightness.light);
+final ThemeData _darkTheme = _buildTheme(brightness: Brightness.dark);
+final ThemeData _highContrastTheme = _buildTheme(brightness: Brightness.light, contrastLevel: 1.0);
+final ThemeData _highContrastDarkTheme = _buildTheme(
+  brightness: Brightness.dark,
+  contrastLevel: 1.0,
+);
+
+class App extends StatelessWidget {
+  const App({super.key, this.initialTags = const <Tag>{Tag.batch3}});
+
+  final Set<Tag> initialTags;
+
+  @override
+  Widget build(BuildContext context) {
+    final routes = Map<String, WidgetBuilder>.fromEntries(
+      useCases.map(
+        (UseCase useCase) => MapEntry<String, WidgetBuilder>(
+          useCase.route,
+          (BuildContext context) => useCase.buildWithTitle(context),
+        ),
+      ),
+    );
+
+    return MaterialApp(
+      debugShowCheckedModeBanner: false,
+      title: 'Accessibility Assessments Home Page',
+      theme: _lightTheme,
+      darkTheme: _darkTheme,
+      highContrastTheme: _highContrastTheme,
+      highContrastDarkTheme: _highContrastDarkTheme,
+      routes: <String, WidgetBuilder>{
+        '/': (_) => HomePage(initialTags: initialTags),
+        ...routes,
+      },
+    );
+  }
+}
+
+class HomePage extends StatefulWidget {
+  const HomePage({super.key, required this.initialTags});
+
+  final Set<Tag> initialTags;
+
+  @override
+  State<HomePage> createState() => HomePageState();
+}
+
+class HomePageState extends State<HomePage> {
+  final ScrollController scrollController = ScrollController();
+
+  late Set<Tag> _selectedTags;
+
+  @override
+  void initState() {
+    super.initState();
+    _selectedTags = Set<Tag>.from(widget.initialTags);
+  }
+
+  @override
+  void dispose() {
+    scrollController.dispose();
+    super.dispose();
+  }
+
+  Widget _buildUseCaseItem(int index, UseCase useCase) {
+    return Padding(
+      padding: const EdgeInsets.all(10),
+      child: Builder(
+        builder: (BuildContext context) {
+          return TextButton(
+            key: Key(useCase.name),
+            onPressed: () =>
+                Navigator.of(context).pushNamed(useCase.route, arguments: useCase.name),
+            child: Text(useCase.name),
+          );
+        },
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final List<UseCase> effectiveUseCases = useCases.where((UseCase useCase) {
+      return _selectedTags.isEmpty || _selectedTags.every((Tag tag) => useCase.tags.contains(tag));
+    }).toList();
+
+    return Scaffold(
+      appBar: AppBar(
+        title: Semantics(headingLevel: 1, child: const Text('Accessibility Assessments')),
+        actions: <Widget>[
+          MenuAnchor(
+            builder: (BuildContext context, MenuController controller, Widget? child) {
+              return IconButton(
+                tooltip: 'Filter by tags',
+                icon: const Icon(Icons.filter_list),
+                onPressed: () {
+                  if (controller.isOpen) {
+                    controller.close();
+                  } else {
+                    controller.open();
+                  }
+                },
+              );
+            },
+            menuChildren: Tag.values.map((Tag tag) {
+              return CheckboxMenuButton(
+                closeOnActivate: false,
+                value: _selectedTags.contains(tag),
+                onChanged: (bool? value) {
+                  setState(() {
+                    if (value ?? false) {
+                      _selectedTags.add(tag);
+                    } else {
+                      _selectedTags.remove(tag);
+                    }
+                  });
+                },
+                child: Tooltip(message: tag.description, child: Text(tag.name)),
+              );
+            }).toList(),
+          ),
+        ],
+      ),
+      body: Center(
+        child: ListView(
+          controller: scrollController,
+          children: List<Widget>.generate(
+            effectiveUseCases.length,
+            (int index) => _buildUseCaseItem(index, effectiveUseCases[index]),
+          ),
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/about_list_tile.dart b/packages/material_ui/a11y_assessments/lib/use_cases/about_list_tile.dart
new file mode 100644
index 000000000000..269350d43407
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/about_list_tile.dart
@@ -0,0 +1,47 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class AboutListTileUseCase extends UseCase {
+  AboutListTileUseCase();
+
+  @override
+  String get name => 'AboutListTile';
+
+  @override
+  String get route => '/about-list-tile';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch2, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatelessWidget {
+  const MainWidget({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final String pageTitle = getUseCaseName(AboutListTileUseCase());
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: ListView(
+        children: const <Widget>[
+          AboutListTile(
+            icon: Icon(Icons.info),
+            applicationName: 'A11y Assessment',
+            applicationVersion: '1.0.0',
+            applicationIcon: FlutterLogo(),
+            applicationLegalese: '© 2026 The Flutter Authors',
+            aboutBoxChildren: <Widget>[Text('This is a test app for accessibility.')],
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/action_chip.dart b/packages/material_ui/a11y_assessments/lib/use_cases/action_chip.dart
new file mode 100644
index 000000000000..9ce44cfcf5bd
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/action_chip.dart
@@ -0,0 +1,56 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class ActionChipUseCase extends UseCase {
+  ActionChipUseCase();
+
+  @override
+  String get name => 'ActionChip';
+
+  @override
+  String get route => '/action-chip';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  bool favorite = false;
+
+  String pageTitle = getUseCaseName(ActionChipUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            ActionChip(
+              avatar: const Icon(Icons.favorite),
+              label: const Text('Action'),
+              onPressed: () {},
+            ),
+            const ActionChip(avatar: Icon(Icons.favorite), label: Text('Action')),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/app_bar.dart b/packages/material_ui/a11y_assessments/lib/use_cases/app_bar.dart
new file mode 100644
index 000000000000..d15ad89ae5ea
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/app_bar.dart
@@ -0,0 +1,119 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+
+import 'use_cases.dart';
+
+class AppBarUseCase extends UseCase {
+  AppBarUseCase();
+
+  @override
+  String get name => 'AppBar';
+
+  @override
+  String get route => '/app-bar';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  int currentIndex = 0;
+
+  void _onChanged(int? value) {
+    setState(() {
+      currentIndex = value!;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: <PreferredSizeWidget>[
+        AppBar(title: Semantics(headingLevel: 1, child: const Text('AppBar'))),
+        AppBar(
+          title: Semantics(headingLevel: 1, child: const Text('AppBar')),
+          actions: <Widget>[
+            IconButton(
+              icon: const Icon(Icons.add_alert),
+              tooltip: 'Show Snackbar',
+              onPressed: () {
+                ScaffoldMessenger.of(
+                  context,
+                ).showSnackBar(const SnackBar(content: Text('This is a snackbar')));
+              },
+            ),
+            IconButton(
+              icon: const Icon(Icons.navigate_next),
+              tooltip: 'Go to the next page',
+              onPressed: () {
+                Navigator.push(
+                  context,
+                  MaterialPageRoute<void>(
+                    builder: (BuildContext context) {
+                      return Scaffold(
+                        appBar: AppBar(
+                          title: Semantics(headingLevel: 1, child: const Text('Next Page')),
+                        ),
+                        body: const Center(
+                          child: Text('This is the next page', style: TextStyle(fontSize: 24)),
+                        ),
+                      );
+                    },
+                  ),
+                );
+              },
+            ),
+          ],
+        ),
+        AppBar(
+          title: Semantics(headingLevel: 1, child: const Text('AppBar')),
+          actions: <Widget>[
+            for (final String label in const <String>['Action 1', 'Action 2'])
+              TextButton(
+                onPressed: () {},
+                style: TextButton.styleFrom(
+                  foregroundColor: Theme.of(context).colorScheme.onPrimary,
+                ),
+                child: Text(label),
+              ),
+          ],
+        ),
+      ][currentIndex],
+      body: ListView(
+        children: <Widget>[
+          RadioListTile<int>(
+            title: const Text('1. Simple app bar'),
+            value: 0,
+            groupValue: currentIndex,
+            onChanged: _onChanged,
+          ),
+          RadioListTile<int>(
+            title: const Text('2. App bar with actions'),
+            value: 1,
+            groupValue: currentIndex,
+            onChanged: _onChanged,
+          ),
+          RadioListTile<int>(
+            title: const Text('3. App bar with text buttons'),
+            value: 2,
+            groupValue: currentIndex,
+            onChanged: _onChanged,
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/auto_complete.dart b/packages/material_ui/a11y_assessments/lib/use_cases/auto_complete.dart
new file mode 100644
index 000000000000..e0393e526840
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/auto_complete.dart
@@ -0,0 +1,81 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class AutoCompleteUseCase extends UseCase {
+  AutoCompleteUseCase();
+
+  @override
+  String get name => 'AutoComplete';
+
+  @override
+  String get route => '/auto-complete';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const _MainWidget();
+}
+
+class _MainWidget extends StatefulWidget {
+  const _MainWidget();
+
+  @override
+  State<_MainWidget> createState() => _MainWidgetState();
+}
+
+class _MainWidgetState extends State<_MainWidget> {
+  static const List<String> _kOptions = <String>['apple', 'banana', 'lemon'];
+
+  static Widget _fieldViewBuilder(
+    BuildContext context,
+    TextEditingController textEditingController,
+    FocusNode focusNode,
+    VoidCallback onFieldSubmitted,
+  ) {
+    return TextFormField(
+      decoration: const InputDecoration(labelText: 'Fruit'),
+      focusNode: focusNode,
+      controller: textEditingController,
+      onFieldSubmitted: (String value) {
+        onFieldSubmitted();
+      },
+    );
+  }
+
+  String pageTitle = getUseCaseName(AutoCompleteUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Center(
+        child: Semantics(
+          container: true,
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: <Widget>[
+              Text('Type below to autocomplete the following possible results: $_kOptions.'),
+              Autocomplete<String>(
+                optionsBuilder: (TextEditingValue textEditingValue) {
+                  if (textEditingValue.text == '') {
+                    return const Iterable<String>.empty();
+                  }
+                  return _kOptions.where((String option) {
+                    return option.contains(textEditingValue.text.toLowerCase());
+                  });
+                },
+                fieldViewBuilder: _fieldViewBuilder,
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/back_button.dart b/packages/material_ui/a11y_assessments/lib/use_cases/back_button.dart
new file mode 100644
index 000000000000..503d2367176f
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/back_button.dart
@@ -0,0 +1,51 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class BackButtonUseCase extends UseCase {
+  BackButtonUseCase();
+
+  @override
+  String get name => 'BackButton';
+
+  @override
+  String get route => '/back-button';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch2, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  String pageTitle = getUseCaseName(BackButtonUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: const Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            BackButton(),
+            SizedBox(height: 20),
+            Text('Check the back button above'),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/badge.dart b/packages/material_ui/a11y_assessments/lib/use_cases/badge.dart
new file mode 100644
index 000000000000..8c06c77ff4da
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/badge.dart
@@ -0,0 +1,52 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class BadgeUseCase extends UseCase {
+  BadgeUseCase();
+
+  @override
+  String get name => 'Badge';
+
+  @override
+  String get route => '/badge';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  String pageTitle = getUseCaseName(BadgeUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: const Center(
+        child: Badge(
+          label: Text(
+            '5',
+            semanticsLabel: '5 new messages',
+            style: TextStyle(color: Colors.white),
+          ),
+          backgroundColor: Colors.green,
+          child: Icon(Icons.mail, semanticLabel: 'Messages'),
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/bottom_app_bar.dart b/packages/material_ui/a11y_assessments/lib/use_cases/bottom_app_bar.dart
new file mode 100644
index 000000000000..cf31b8e3ff40
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/bottom_app_bar.dart
@@ -0,0 +1,73 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+
+import '../utils.dart';
+import 'use_cases.dart';
+
+class BottomAppBarUseCase extends UseCase {
+  BottomAppBarUseCase();
+
+  @override
+  String get name => 'BottomAppBar';
+
+  @override
+  String get route => '/bottom-app-bar';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch3, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  final String pageTitle = getUseCaseName(BottomAppBarUseCase());
+  String _selectedAction = 'None';
+
+  void _onItemTapped(String action) {
+    setState(() {
+      _selectedAction = action;
+    });
+    ScaffoldMessenger.of(context).hideCurrentSnackBar();
+    ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Tapped: $action')));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      bottomNavigationBar: BottomAppBar(
+        child: Row(
+          children: <Widget>[
+            IconButton(
+              tooltip: 'Open menu',
+              icon: const Icon(Icons.menu),
+              onPressed: () => _onItemTapped('Menu'),
+            ),
+            IconButton(
+              tooltip: 'Search',
+              icon: const Icon(Icons.search),
+              onPressed: () => _onItemTapped('Search'),
+            ),
+            IconButton(
+              tooltip: 'Favorite',
+              icon: const Icon(Icons.favorite),
+              onPressed: () => _onItemTapped('Favorite'),
+            ),
+          ],
+        ),
+      ),
+      body: Center(child: Text('Selected: $_selectedAction')),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/card.dart b/packages/material_ui/a11y_assessments/lib/use_cases/card.dart
new file mode 100644
index 000000000000..26dd8e4a238b
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/card.dart
@@ -0,0 +1,53 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class CardUseCase extends UseCase {
+  CardUseCase();
+
+  @override
+  String get name => 'Card';
+
+  @override
+  String get route => '/card';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  bool favorite = false;
+
+  String pageTitle = getUseCaseName(CardUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: const Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            Card(
+              child: Padding(padding: EdgeInsets.all(16), child: Text('Card')),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/check_box.dart b/packages/material_ui/a11y_assessments/lib/use_cases/check_box.dart
new file mode 100644
index 000000000000..361a7c759d60
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/check_box.dart
@@ -0,0 +1,55 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class CheckBoxUseCase extends UseCase {
+  CheckBoxUseCase();
+
+  @override
+  String get name => 'CheckBox';
+
+  @override
+  String get route => '/check-box';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch3, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => _MainWidget();
+}
+
+class _MainWidget extends StatefulWidget {
+  @override
+  State<_MainWidget> createState() => _MainWidgetState();
+}
+
+class _MainWidgetState extends State<_MainWidget> {
+  bool _checked = false;
+
+  String pageTitle = getUseCaseName(CheckBoxUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: ListView(
+        children: <Widget>[
+          Checkbox(
+            value: _checked,
+            semanticLabel: 'Enabled checkbox',
+            onChanged: (bool? value) {
+              setState(() {
+                _checked = value!;
+              });
+            },
+          ),
+          const Checkbox(value: false, semanticLabel: 'Disabled checkbox', onChanged: null),
+        ],
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/check_box_list_tile.dart b/packages/material_ui/a11y_assessments/lib/use_cases/check_box_list_tile.dart
new file mode 100644
index 000000000000..d083ebb4223b
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/check_box_list_tile.dart
@@ -0,0 +1,64 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class CheckBoxListTile extends UseCase {
+  CheckBoxListTile();
+
+  @override
+  String get name => 'CheckBoxListTile';
+
+  @override
+  String get route => '/check-box-list-tile';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => _MainWidget();
+}
+
+class _MainWidget extends StatefulWidget {
+  @override
+  State<_MainWidget> createState() => _MainWidgetState();
+}
+
+class _MainWidgetState extends State<_MainWidget> {
+  bool _checked = false;
+
+  String pageTitle = getUseCaseName(CheckBoxListTile());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: ListView(
+        children: <Widget>[
+          CheckboxListTile(
+            value: _checked,
+            onChanged: (bool? value) {
+              setState(() {
+                _checked = value!;
+              });
+            },
+            title: const Text('a check box list title'),
+          ),
+          CheckboxListTile(
+            value: _checked,
+            onChanged: (bool? value) {
+              setState(() {
+                _checked = value!;
+              });
+            },
+            title: const Text('a disabled check box list title'),
+            enabled: false,
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/close_button.dart b/packages/material_ui/a11y_assessments/lib/use_cases/close_button.dart
new file mode 100644
index 000000000000..d22d8d09b72e
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/close_button.dart
@@ -0,0 +1,54 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class CloseButtonUseCase extends UseCase {
+  CloseButtonUseCase();
+
+  @override
+  String get name => 'CloseButton';
+
+  @override
+  String get route => '/close-button';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch2, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  String pageTitle = getUseCaseName(CloseButtonUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo')),
+        automaticallyImplyLeading: false,
+      ),
+      body: const Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            CloseButton(),
+            SizedBox(height: 20),
+            Text('Check the close button above'),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/date_picker.dart b/packages/material_ui/a11y_assessments/lib/use_cases/date_picker.dart
new file mode 100644
index 000000000000..d198fd2dcbcd
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/date_picker.dart
@@ -0,0 +1,53 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class DatePickerUseCase extends UseCase {
+  DatePickerUseCase();
+
+  @override
+  String get name => 'DatePicker';
+
+  @override
+  String get route => '/date-picker';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const _MainWidget();
+}
+
+class _MainWidget extends StatefulWidget {
+  const _MainWidget();
+
+  @override
+  State<_MainWidget> createState() => _MainWidgetState();
+}
+
+class _MainWidgetState extends State<_MainWidget> {
+  String pageTitle = getUseCaseName(DatePickerUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Center(
+        child: TextButton(
+          onPressed: () => showDatePicker(
+            context: context,
+            initialEntryMode: DatePickerEntryMode.calendarOnly,
+            initialDate: DateTime.now(),
+            firstDate: DateTime.now().subtract(const Duration(days: 365)),
+            lastDate: DateTime.now().add(const Duration(days: 365)),
+          ),
+          child: const Text('Show Date Picker'),
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/dialog.dart b/packages/material_ui/a11y_assessments/lib/use_cases/dialog.dart
new file mode 100644
index 000000000000..85a3e25ff203
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/dialog.dart
@@ -0,0 +1,75 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class DialogUseCase extends UseCase {
+  DialogUseCase();
+
+  @override
+  String get name => 'Dialog';
+
+  @override
+  String get route => '/dialog';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => _MainWidget();
+}
+
+class _MainWidget extends StatelessWidget {
+  _MainWidget();
+
+  final String pageTitle = getUseCaseName(DialogUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Center(
+        child: TextButton(
+          onPressed: () => showDialog<String>(
+            context: context,
+            builder: (BuildContext context) => Dialog(
+              child: Padding(
+                padding: const EdgeInsets.all(8.0),
+                child: Column(
+                  mainAxisSize: MainAxisSize.min,
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: <Widget>[
+                    const Text('This is a typical dialog.'),
+                    const SizedBox(height: 15),
+                    Row(
+                      children: <Widget>[
+                        TextButton(
+                          key: const Key('OK Button'),
+                          autofocus: true,
+                          onPressed: () {
+                            Navigator.pop(context);
+                          },
+                          child: const Text('OK'),
+                        ),
+                        TextButton(
+                          onPressed: () {
+                            Navigator.pop(context);
+                          },
+                          child: const Text('Cancel'),
+                        ),
+                      ],
+                    ),
+                  ],
+                ),
+              ),
+            ),
+          ),
+          child: const Text('Show Dialog'),
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/drawer.dart b/packages/material_ui/a11y_assessments/lib/use_cases/drawer.dart
new file mode 100644
index 000000000000..9fdb35aa55b9
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/drawer.dart
@@ -0,0 +1,82 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class DrawerUseCase extends UseCase {
+  DrawerUseCase();
+
+  @override
+  String get name => 'drawer';
+
+  @override
+  String get route => '/drawer';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const DrawerExample();
+}
+
+class DrawerExample extends StatefulWidget {
+  const DrawerExample({super.key});
+
+  @override
+  State<DrawerExample> createState() => _DrawerExampleState();
+}
+
+class _DrawerExampleState extends State<DrawerExample> {
+  String selectedPage = '';
+
+  String pageTitle = getUseCaseName(DrawerUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      endDrawer: Drawer(
+        child: ListView(
+          padding: EdgeInsets.zero,
+          children: <Widget>[
+            const DrawerHeader(
+              decoration: BoxDecoration(color: Colors.blue),
+              child: Text('Drawer Header', style: TextStyle(color: Colors.white, fontSize: 24)),
+            ),
+            ListTile(
+              leading: const Icon(Icons.message),
+              title: const Text('Messages'),
+              onTap: () {
+                setState(() {
+                  selectedPage = 'Messages';
+                });
+              },
+            ),
+            ListTile(
+              leading: const Icon(Icons.account_circle),
+              title: const Text('Profile'),
+              onTap: () {
+                setState(() {
+                  selectedPage = 'Profile';
+                });
+              },
+            ),
+            ListTile(
+              leading: const Icon(Icons.settings),
+              title: const Text('Settings'),
+              onTap: () {
+                setState(() {
+                  selectedPage = 'Settings';
+                });
+              },
+            ),
+          ],
+        ),
+      ),
+      body: Center(child: Text('Page: $selectedPage')),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/dropdown_menu.dart b/packages/material_ui/a11y_assessments/lib/use_cases/dropdown_menu.dart
new file mode 100644
index 000000000000..0545c2e7382e
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/dropdown_menu.dart
@@ -0,0 +1,69 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class DropdownMenuUseCase extends UseCase {
+  DropdownMenuUseCase();
+
+  @override
+  String get name => 'DropdownMenu';
+
+  @override
+  String get route => '/dropdown-menu';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch3, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const _MainWidget();
+}
+
+class _MainWidget extends StatelessWidget {
+  const _MainWidget();
+
+  static const List<String> _kOptions = <String>['apple', 'banana', 'lemon'];
+  static final List<DropdownMenuEntry<String>> _kMenuEntries = _kOptions
+      .map<DropdownMenuEntry<String>>(
+        (String name) => DropdownMenuEntry<String>(value: name, label: name),
+      )
+      .toList();
+
+  @override
+  Widget build(BuildContext context) {
+    final String pageTitle = getUseCaseName(DropdownMenuUseCase());
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: ListView(
+        padding: const EdgeInsets.all(24.0),
+        children: <Widget>[
+          Semantics(
+            label: 'Enabled dropdown menu',
+            child: DropdownMenu<String>(
+              key: const Key('enabled dropdown menu'),
+              label: const Text('Fruit'),
+              expandedInsets: EdgeInsets.zero,
+              initialSelection: _kOptions.first,
+              dropdownMenuEntries: _kMenuEntries,
+            ),
+          ),
+          const SizedBox(height: 24.0),
+          Semantics(
+            label: 'Disabled dropdown menu',
+            child: DropdownMenu<String>(
+              key: const Key('disabled dropdown menu'),
+              label: const Text('Fruit'),
+              expandedInsets: EdgeInsets.zero,
+              enabled: false,
+              initialSelection: _kOptions.first,
+              dropdownMenuEntries: _kMenuEntries,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/elevated_button.dart b/packages/material_ui/a11y_assessments/lib/use_cases/elevated_button.dart
new file mode 100644
index 000000000000..a843c9201ce9
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/elevated_button.dart
@@ -0,0 +1,53 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class ElevatedButtonUseCase extends UseCase {
+  ElevatedButtonUseCase();
+
+  @override
+  String get name => 'ElevatedButton';
+
+  @override
+  String get route => '/elevated-button';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch2, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  String pageTitle = getUseCaseName(ElevatedButtonUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            ElevatedButton(onPressed: () {}, child: const Text('Elevated Button')),
+            const ElevatedButton(
+              onPressed: null, // Disabled
+              child: Text('Disabled ElevatedButton'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/expansion_tile.dart b/packages/material_ui/a11y_assessments/lib/use_cases/expansion_tile.dart
new file mode 100644
index 000000000000..da1ecc69669d
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/expansion_tile.dart
@@ -0,0 +1,71 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class ExpansionTileUseCase extends UseCase {
+  ExpansionTileUseCase();
+
+  @override
+  String get name => 'ExpansionTile';
+
+  @override
+  String get route => '/expansion-tile';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const ExpansionTileExample();
+}
+
+class ExpansionTileExample extends StatefulWidget {
+  const ExpansionTileExample({super.key});
+
+  @override
+  State<ExpansionTileExample> createState() => _ExpansionTileExampleState();
+}
+
+class _ExpansionTileExampleState extends State<ExpansionTileExample> {
+  bool _customTileExpanded = false;
+
+  String pageTitle = getUseCaseName(ExpansionTileUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Column(
+        children: <Widget>[
+          const ExpansionTile(
+            title: Text('ExpansionTile 1'),
+            subtitle: Text('Trailing expansion arrow icon'),
+            children: <Widget>[ListTile(title: Text('This is tile number 1'))],
+          ),
+          ExpansionTile(
+            title: const Text('ExpansionTile 2'),
+            subtitle: const Text('Custom expansion arrow icon'),
+            trailing: Icon(
+              _customTileExpanded ? Icons.arrow_drop_down_circle : Icons.arrow_drop_down,
+            ),
+            children: const <Widget>[ListTile(title: Text('This is tile number 2'))],
+            onExpansionChanged: (bool expanded) {
+              setState(() {
+                _customTileExpanded = expanded;
+              });
+            },
+          ),
+          const ExpansionTile(
+            title: Text('ExpansionTile 3'),
+            subtitle: Text('Leading expansion arrow icon'),
+            controlAffinity: ListTileControlAffinity.leading,
+            children: <Widget>[ListTile(title: Text('This is tile number 3'))],
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/filled_button.dart b/packages/material_ui/a11y_assessments/lib/use_cases/filled_button.dart
new file mode 100644
index 000000000000..b27c3b0f8584
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/filled_button.dart
@@ -0,0 +1,53 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class FilledButtonUseCase extends UseCase {
+  FilledButtonUseCase();
+
+  @override
+  String get name => 'FilledButton';
+
+  @override
+  String get route => '/filled-button';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch2, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  String pageTitle = getUseCaseName(FilledButtonUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            FilledButton(onPressed: () {}, child: const Text('Filled Button')),
+            const FilledButton(
+              onPressed: null, // Disabled
+              child: Text('Disabled FilledButton'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/floating_action_button.dart b/packages/material_ui/a11y_assessments/lib/use_cases/floating_action_button.dart
new file mode 100644
index 000000000000..4375c2aaeadb
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/floating_action_button.dart
@@ -0,0 +1,54 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class FloatingActionButtonUseCase extends UseCase {
+  FloatingActionButtonUseCase();
+
+  @override
+  String get name => 'FloatingActionButton';
+
+  @override
+  String get route => '/floating-action-button';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch2, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  String pageTitle = getUseCaseName(FloatingActionButtonUseCase());
+  int _tapCount = 0;
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Center(
+        child: Semantics(container: true, liveRegion: true, child: Text('Tap count: $_tapCount')),
+      ),
+      floatingActionButton: FloatingActionButton(
+        onPressed: () {
+          setState(() {
+            _tapCount++;
+          });
+        },
+        tooltip: 'Increment',
+        child: const Icon(Icons.add),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/icon_button.dart b/packages/material_ui/a11y_assessments/lib/use_cases/icon_button.dart
new file mode 100644
index 000000000000..a1db83dfebd2
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/icon_button.dart
@@ -0,0 +1,58 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class IconButtonUseCase extends UseCase {
+  IconButtonUseCase();
+
+  @override
+  String get name => 'IconButton';
+
+  @override
+  String get route => '/icon-button';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch2, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  String pageTitle = getUseCaseName(IconButtonUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            IconButton(
+              icon: const Icon(Icons.volume_up),
+              tooltip: 'Increase volume',
+              onPressed: () {},
+            ),
+            const IconButton(
+              icon: Icon(Icons.volume_up),
+              tooltip: 'Increase volume',
+              onPressed: null, // Disabled
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/material_banner.dart b/packages/material_ui/a11y_assessments/lib/use_cases/material_banner.dart
new file mode 100644
index 000000000000..32d2acebdbac
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/material_banner.dart
@@ -0,0 +1,81 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class MaterialBannerUseCase extends UseCase {
+  MaterialBannerUseCase();
+
+  @override
+  String get name => 'MaterialBanner';
+
+  @override
+  String get route => '/material_banner';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  final FocusNode dismissButtonFocusNode = FocusNode();
+  final FocusNode showButtonFocusNode = FocusNode();
+
+  String pageTitle = getUseCaseName(MaterialBannerUseCase());
+
+  @override
+  void dispose() {
+    dismissButtonFocusNode.dispose();
+    showButtonFocusNode.dispose();
+    super.dispose();
+  }
+
+  void hideBanner() {
+    ScaffoldMessenger.of(context).hideCurrentMaterialBanner();
+    showButtonFocusNode.requestFocus();
+  }
+
+  void showBanner() {
+    ScaffoldMessenger.of(context).showMaterialBanner(
+      MaterialBanner(
+        padding: const EdgeInsets.all(20),
+        content: const Text('Hello, I am a Material Banner'),
+        leading: const Icon(Icons.agriculture_outlined),
+        actions: <Widget>[
+          TextButton(
+            focusNode: dismissButtonFocusNode,
+            onPressed: hideBanner,
+            child: const Text('DISMISS'),
+          ),
+        ],
+      ),
+    );
+    dismissButtonFocusNode.requestFocus();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Center(
+        child: ElevatedButton(
+          focusNode: showButtonFocusNode,
+          onPressed: showBanner,
+          child: const Text('Show a MaterialBanner'),
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/menu_anchor.dart b/packages/material_ui/a11y_assessments/lib/use_cases/menu_anchor.dart
new file mode 100644
index 000000000000..8708e9afce8a
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/menu_anchor.dart
@@ -0,0 +1,86 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class MenuAnchorUseCase extends UseCase {
+  MenuAnchorUseCase();
+
+  @override
+  String get name => 'MenuAnchor';
+
+  @override
+  String get route => '/menu-anchor';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const _MainWidget();
+}
+
+class _MainWidget extends StatefulWidget {
+  const _MainWidget();
+
+  @override
+  State<_MainWidget> createState() => _MainWidgetState();
+}
+
+class _MainWidgetState extends State<_MainWidget> {
+  String _lastSelection = 'None';
+
+  @override
+  Widget build(BuildContext context) {
+    final String pageTitle = getUseCaseName(MenuAnchorUseCase());
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: ListView(
+        children: <Widget>[
+          Semantics(liveRegion: true, child: Text('Last Selection: $_lastSelection')),
+          Semantics(
+            label: 'Enabled menu anchor',
+            child: MenuAnchor(
+              key: const Key('enabled menu anchor'),
+              builder: (BuildContext context, MenuController controller, Widget? child) {
+                return ElevatedButton(
+                  onPressed: () {
+                    if (controller.isOpen) {
+                      controller.close();
+                    } else {
+                      controller.open();
+                    }
+                  },
+                  child: const Text('Open Menu'),
+                );
+              },
+              menuChildren: <Widget>[
+                MenuItemButton(
+                  onPressed: () {
+                    setState(() {
+                      _lastSelection = 'Item 1';
+                    });
+                  },
+                  child: const Text('Item 1'),
+                ),
+                const MenuItemButton(child: Text('Disabled Item')),
+              ],
+            ),
+          ),
+          Semantics(
+            label: 'Disabled menu anchor',
+            child: MenuAnchor(
+              key: const Key('disabled menu anchor'),
+              builder: (BuildContext context, MenuController controller, Widget? child) {
+                return const ElevatedButton(onPressed: null, child: Text('Disabled Menu Button'));
+              },
+              menuChildren: const <Widget>[MenuItemButton(child: Text('Disabled Item'))],
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/menu_bar.dart b/packages/material_ui/a11y_assessments/lib/use_cases/menu_bar.dart
new file mode 100644
index 000000000000..4151bda86e8b
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/menu_bar.dart
@@ -0,0 +1,113 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class MenuBarUseCase extends UseCase {
+  MenuBarUseCase();
+
+  @override
+  String get name => 'MenuBar';
+
+  @override
+  String get route => '/menu-bar';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const _MainWidget();
+}
+
+class _MainWidget extends StatefulWidget {
+  const _MainWidget();
+
+  @override
+  State<_MainWidget> createState() => _MainWidgetState();
+}
+
+class _MainWidgetState extends State<_MainWidget> {
+  String _lastSelection = 'None';
+
+  @override
+  Widget build(BuildContext context) {
+    final String pageTitle = getUseCaseName(MenuBarUseCase());
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: ListView(
+        children: <Widget>[
+          Semantics(liveRegion: true, child: Text('Last Selection: $_lastSelection')),
+          Semantics(
+            label: 'Enabled menu bar',
+            child: MenuBar(
+              key: const Key('enabled menu bar'),
+              children: <Widget>[
+                SubmenuButton(
+                  menuChildren: <Widget>[
+                    MenuItemButton(
+                      onPressed: () {
+                        setState(() {
+                          _lastSelection = 'Save';
+                        });
+                      },
+                      child: const Text('Save'),
+                    ),
+                    const MenuItemButton(child: Text('Disabled Item')),
+                  ],
+                  child: const Text('File'),
+                ),
+                SubmenuButton(
+                  menuChildren: <Widget>[
+                    MenuItemButton(
+                      onPressed: () {
+                        setState(() {
+                          _lastSelection = 'About';
+                        });
+                      },
+                      child: const Text('About'),
+                    ),
+                    SubmenuButton(
+                      menuChildren: <Widget>[
+                        MenuItemButton(
+                          onPressed: () {
+                            setState(() {
+                              _lastSelection = 'Documentation';
+                            });
+                          },
+                          child: const Text('Documentation'),
+                        ),
+                        MenuItemButton(
+                          onPressed: () {
+                            setState(() {
+                              _lastSelection = 'Send Feedback';
+                            });
+                          },
+                          child: const Text('Send Feedback'),
+                        ),
+                      ],
+                      child: const Text('Online Help'),
+                    ),
+                  ],
+                  child: const Text('Help'),
+                ),
+              ],
+            ),
+          ),
+          Semantics(
+            label: 'Disabled menu bar',
+            child: const MenuBar(
+              key: Key('disabled menu bar'),
+              children: <Widget>[
+                SubmenuButton(menuChildren: <Widget>[], child: Text('Disabled File')),
+                MenuItemButton(child: Text('Disabled Help')),
+              ],
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/navigation_bar.dart b/packages/material_ui/a11y_assessments/lib/use_cases/navigation_bar.dart
new file mode 100644
index 000000000000..c4d16f85b6e7
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/navigation_bar.dart
@@ -0,0 +1,70 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class NavigationBarUseCase extends UseCase {
+  NavigationBarUseCase();
+
+  @override
+  String get name => 'NavigationBar';
+
+  @override
+  String get route => '/navigation-bar';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  int currentPageIndex = 0;
+
+  String pageTitle = getUseCaseName(NavigationBarUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      bottomNavigationBar: NavigationBar(
+        onDestinationSelected: (int index) {
+          setState(() {
+            currentPageIndex = index;
+          });
+        },
+        indicatorColor: Colors.amber[800],
+        selectedIndex: currentPageIndex,
+        destinations: const <Widget>[
+          NavigationDestination(
+            selectedIcon: Icon(Icons.home),
+            icon: Icon(Icons.home_outlined),
+            label: 'Home',
+          ),
+          NavigationDestination(icon: Icon(Icons.business), label: 'Business'),
+          NavigationDestination(
+            selectedIcon: Icon(Icons.school),
+            icon: Icon(Icons.school_outlined),
+            label: 'School',
+          ),
+        ],
+      ),
+      body: <Widget>[
+        Container(alignment: Alignment.center, child: const Text('Page 1')),
+        Container(alignment: Alignment.center, child: const Text('Page 2')),
+        Container(alignment: Alignment.center, child: const Text('Page 3')),
+      ][currentPageIndex],
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/navigation_drawer.dart b/packages/material_ui/a11y_assessments/lib/use_cases/navigation_drawer.dart
new file mode 100644
index 000000000000..6c610ad9a861
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/navigation_drawer.dart
@@ -0,0 +1,106 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class ExampleDestination {
+  const ExampleDestination(this.label, this.icon, this.selectedIcon);
+
+  final String label;
+  final Widget icon;
+  final Widget selectedIcon;
+}
+
+const List<ExampleDestination> destinations = <ExampleDestination>[
+  ExampleDestination('Messages', Icon(Icons.widgets_outlined), Icon(Icons.widgets)),
+  ExampleDestination('Profile', Icon(Icons.format_paint_outlined), Icon(Icons.format_paint)),
+  ExampleDestination('Settings', Icon(Icons.settings_outlined), Icon(Icons.settings)),
+];
+
+class NavigationDrawerUseCase extends UseCase {
+  NavigationDrawerUseCase();
+
+  @override
+  String get name => 'NavigationDrawer';
+
+  @override
+  String get route => '/navigation-drawer';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const NavigationDrawerExample();
+}
+
+class NavigationDrawerExample extends StatefulWidget {
+  const NavigationDrawerExample({super.key});
+
+  @override
+  State<NavigationDrawerExample> createState() => _NavigationDrawerExampleState();
+}
+
+class _NavigationDrawerExampleState extends State<NavigationDrawerExample> {
+  final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey<ScaffoldState>();
+
+  int screenIndex = 0;
+  late bool showNavigationDrawer;
+
+  void handleScreenChanged(int selectedScreen) {
+    setState(() {
+      screenIndex = selectedScreen;
+    });
+  }
+
+  void openDrawer() {
+    scaffoldKey.currentState!.openEndDrawer();
+  }
+
+  String pageTitle = getUseCaseName(NavigationDrawerUseCase());
+
+  Widget buildDrawerScaffold(BuildContext context) {
+    return Scaffold(
+      key: scaffoldKey,
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: SafeArea(
+        bottom: false,
+        top: false,
+        child: Center(
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+            children: <Widget>[
+              Text('Page Index = $screenIndex'),
+              ElevatedButton(onPressed: openDrawer, child: const Text('Open Drawer')),
+            ],
+          ),
+        ),
+      ),
+      endDrawer: NavigationDrawer(
+        onDestinationSelected: handleScreenChanged,
+        selectedIndex: screenIndex,
+        children: <Widget>[
+          Padding(
+            padding: const EdgeInsets.fromLTRB(28, 16, 16, 10),
+            child: Text('Header', style: Theme.of(context).textTheme.titleSmall),
+          ),
+          ...destinations.map((ExampleDestination destination) {
+            return NavigationDrawerDestination(
+              label: Text(destination.label),
+              icon: destination.icon,
+              selectedIcon: destination.selectedIcon,
+            );
+          }),
+          const Padding(padding: EdgeInsets.fromLTRB(28, 16, 28, 10), child: Divider()),
+        ],
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return buildDrawerScaffold(context);
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/navigation_rail.dart b/packages/material_ui/a11y_assessments/lib/use_cases/navigation_rail.dart
new file mode 100644
index 000000000000..b08884cdcdd0
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/navigation_rail.dart
@@ -0,0 +1,195 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class NavigationRailUseCase extends UseCase {
+  NavigationRailUseCase();
+
+  @override
+  String get name => 'NavigationRail';
+
+  @override
+  String get route => '/navigation-rail';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const NavRailExample();
+}
+
+class NavRailExample extends StatefulWidget {
+  const NavRailExample({super.key});
+
+  @override
+  State<NavRailExample> createState() => _NavRailExampleState();
+}
+
+class _NavRailExampleState extends State<NavRailExample> {
+  int _selectedIndex = 0;
+  NavigationRailLabelType labelType = NavigationRailLabelType.all;
+  bool showLeading = false;
+  bool showTrailing = false;
+  double groupAlignment = -1.0;
+
+  String pageTitle = getUseCaseName(NavigationRailUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Row(
+        children: <Widget>[
+          NavigationRail(
+            selectedIndex: _selectedIndex,
+            groupAlignment: groupAlignment,
+            onDestinationSelected: (int index) {
+              setState(() {
+                _selectedIndex = index;
+              });
+            },
+            labelType: labelType,
+            leading: showLeading
+                ? FloatingActionButton(
+                    tooltip: 'Add',
+                    elevation: 0,
+                    onPressed: () {
+                      // Add your onPressed code here!
+                    },
+                    child: const Icon(Icons.add),
+                  )
+                : const SizedBox(),
+            trailing: showTrailing
+                ? IconButton(
+                    tooltip: 'More',
+                    onPressed: () {
+                      // Add your onPressed code here!
+                    },
+                    icon: const Icon(Icons.more_horiz_rounded),
+                  )
+                : const SizedBox(),
+            destinations: const <NavigationRailDestination>[
+              NavigationRailDestination(
+                icon: Icon(Icons.favorite_border),
+                selectedIcon: Icon(Icons.favorite),
+                padding: EdgeInsets.all(4),
+                label: Text('First'),
+              ),
+              NavigationRailDestination(
+                icon: Icon(Icons.bookmark_border),
+                selectedIcon: Icon(Icons.book),
+                padding: EdgeInsets.all(4),
+                label: Text('Second'),
+              ),
+              NavigationRailDestination(
+                icon: Icon(Icons.star_border),
+                selectedIcon: Icon(Icons.star),
+                padding: EdgeInsets.all(4),
+                label: Text('Third'),
+              ),
+            ],
+          ),
+          const VerticalDivider(thickness: 1, width: 1),
+          // This is the main content.
+          Expanded(
+            child: Column(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: <Widget>[
+                Text('selectedIndex: $_selectedIndex'),
+                const SizedBox(height: 20),
+                Text('Label type: ${labelType.name}'),
+                const SizedBox(height: 10),
+                OverflowBar(
+                  spacing: 10.0,
+                  children: <Widget>[
+                    ElevatedButton(
+                      onPressed: () {
+                        setState(() {
+                          labelType = NavigationRailLabelType.none;
+                        });
+                      },
+                      child: const Text('None'),
+                    ),
+                    ElevatedButton(
+                      onPressed: () {
+                        setState(() {
+                          labelType = NavigationRailLabelType.selected;
+                        });
+                      },
+                      child: const Text('Selected'),
+                    ),
+                    ElevatedButton(
+                      onPressed: () {
+                        setState(() {
+                          labelType = NavigationRailLabelType.all;
+                        });
+                      },
+                      child: const Text('All'),
+                    ),
+                  ],
+                ),
+                const SizedBox(height: 20),
+                Text('Group alignment: $groupAlignment'),
+                const SizedBox(height: 10),
+                OverflowBar(
+                  spacing: 10.0,
+                  children: <Widget>[
+                    ElevatedButton(
+                      onPressed: () {
+                        setState(() {
+                          groupAlignment = -1.0;
+                        });
+                      },
+                      child: const Text('Top'),
+                    ),
+                    ElevatedButton(
+                      onPressed: () {
+                        setState(() {
+                          groupAlignment = 0.0;
+                        });
+                      },
+                      child: const Text('Center'),
+                    ),
+                    ElevatedButton(
+                      onPressed: () {
+                        setState(() {
+                          groupAlignment = 1.0;
+                        });
+                      },
+                      child: const Text('Bottom'),
+                    ),
+                  ],
+                ),
+                const SizedBox(height: 20),
+                OverflowBar(
+                  spacing: 10.0,
+                  children: <Widget>[
+                    ElevatedButton(
+                      onPressed: () {
+                        setState(() {
+                          showLeading = !showLeading;
+                        });
+                      },
+                      child: Text(showLeading ? 'Hide Leading' : 'Show Leading'),
+                    ),
+                    ElevatedButton(
+                      onPressed: () {
+                        setState(() {
+                          showTrailing = !showTrailing;
+                        });
+                      },
+                      child: Text(showTrailing ? 'Hide Trailing' : 'Show Trailing'),
+                    ),
+                  ],
+                ),
+              ],
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/outlined_button.dart b/packages/material_ui/a11y_assessments/lib/use_cases/outlined_button.dart
new file mode 100644
index 000000000000..5954d5ea0f29
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/outlined_button.dart
@@ -0,0 +1,53 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class OutlinedButtonUseCase extends UseCase {
+  OutlinedButtonUseCase();
+
+  @override
+  String get name => 'OutlinedButton';
+
+  @override
+  String get route => '/outlined-button';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch2, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  String pageTitle = getUseCaseName(OutlinedButtonUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            OutlinedButton(onPressed: () {}, child: const Text('Outlined Button')),
+            const OutlinedButton(
+              onPressed: null, // Disabled
+              child: Text('Disabled OutlinedButton'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/popup_menu_button.dart b/packages/material_ui/a11y_assessments/lib/use_cases/popup_menu_button.dart
new file mode 100644
index 000000000000..eb5a4ece93b7
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/popup_menu_button.dart
@@ -0,0 +1,62 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class PopupMenuButtonUseCase extends UseCase {
+  PopupMenuButtonUseCase();
+
+  @override
+  String get name => 'PopupMenuButton';
+
+  @override
+  String get route => '/popup-menu-button';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch2, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  String pageTitle = getUseCaseName(PopupMenuButtonUseCase());
+  String _selectedItem = 'None';
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            Text('Selected: $_selectedItem'),
+            PopupMenuButton<String>(
+              tooltip: 'Show menu',
+              onSelected: (String item) {
+                setState(() {
+                  _selectedItem = item;
+                });
+              },
+              itemBuilder: (BuildContext context) => <PopupMenuEntry<String>>[
+                const PopupMenuItem<String>(value: 'Item 1', child: Text('Item 1')),
+                const PopupMenuItem<String>(value: 'Item 2', child: Text('Item 2')),
+              ],
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/radio.dart b/packages/material_ui/a11y_assessments/lib/use_cases/radio.dart
new file mode 100644
index 000000000000..d20e4d998ddf
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/radio.dart
@@ -0,0 +1,88 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class RadioUseCase extends UseCase {
+  RadioUseCase();
+
+  @override
+  String get name => 'Radio';
+
+  @override
+  String get route => '/radio';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch3, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => _MainWidget();
+}
+
+enum Option { option1, option2, option3 }
+
+class _MainWidget extends StatefulWidget {
+  @override
+  State<_MainWidget> createState() => _MainWidgetState();
+}
+
+class _MainWidgetState extends State<_MainWidget> {
+  Option? _value = Option.option1;
+
+  String pageTitle = getUseCaseName(RadioUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Center(
+        child: RadioGroup<Option>(
+          groupValue: _value,
+          onChanged: (Option? value) {
+            setState(() {
+              _value = value;
+            });
+          },
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: <Widget>[
+              Row(
+                mainAxisSize: MainAxisSize.min,
+                children: <Widget>[
+                  Semantics(
+                    label: 'Option 1',
+                    child: const Radio<Option>(value: Option.option1),
+                  ),
+                  const Text('Option 1'),
+                ],
+              ),
+              Row(
+                mainAxisSize: MainAxisSize.min,
+                children: <Widget>[
+                  Semantics(
+                    label: 'Option 2',
+                    child: const Radio<Option>(value: Option.option2),
+                  ),
+                  const Text('Option 2'),
+                ],
+              ),
+              Row(
+                mainAxisSize: MainAxisSize.min,
+                children: <Widget>[
+                  Semantics(
+                    label: 'Disabled Option',
+                    child: const Radio<Option>(value: Option.option3, enabled: false),
+                  ),
+                  const Text('Disabled Option'),
+                ],
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/radio_list_tile.dart b/packages/material_ui/a11y_assessments/lib/use_cases/radio_list_tile.dart
new file mode 100644
index 000000000000..efc10c9aaa89
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/radio_list_tile.dart
@@ -0,0 +1,65 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class RadioListTileUseCase extends UseCase {
+  RadioListTileUseCase();
+
+  @override
+  String get name => 'RadioListTile';
+
+  @override
+  String get route => '/radio-list-tile';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => _MainWidget();
+}
+
+class _MainWidget extends StatefulWidget {
+  @override
+  State<_MainWidget> createState() => _MainWidgetState();
+}
+
+enum SingingCharacter { lafayette, jefferson }
+
+class _MainWidgetState extends State<_MainWidget> {
+  SingingCharacter _value = SingingCharacter.lafayette;
+
+  void _onChanged(SingingCharacter? value) {
+    setState(() {
+      _value = value!;
+    });
+  }
+
+  String pageTitle = getUseCaseName(RadioListTileUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: ListView(
+        children: <Widget>[
+          RadioListTile<SingingCharacter>(
+            title: const Text('Lafayette'),
+            value: SingingCharacter.lafayette,
+            groupValue: _value,
+            onChanged: _onChanged,
+          ),
+          RadioListTile<SingingCharacter>(
+            title: const Text('Jefferson'),
+            value: SingingCharacter.jefferson,
+            groupValue: _value,
+            onChanged: _onChanged,
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/range_slider.dart b/packages/material_ui/a11y_assessments/lib/use_cases/range_slider.dart
new file mode 100644
index 000000000000..84ccf2640663
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/range_slider.dart
@@ -0,0 +1,59 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class RangeSliderUseCase extends UseCase {
+  RangeSliderUseCase();
+
+  @override
+  String get name => 'RangeSlider';
+
+  @override
+  String get route => '/range-slider';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.additional];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  RangeValues _currentRangeValues = const RangeValues(20, 60);
+
+  String pageTitle = getUseCaseName(RangeSliderUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Center(
+        child: RangeSlider(
+          values: _currentRangeValues,
+          max: 100,
+          divisions: 5,
+          labels: RangeLabels(
+            _currentRangeValues.start.round().toString(),
+            _currentRangeValues.end.round().toString(),
+          ),
+          onChanged: (RangeValues values) {
+            setState(() {
+              _currentRangeValues = values;
+            });
+          },
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/search_bar.dart b/packages/material_ui/a11y_assessments/lib/use_cases/search_bar.dart
new file mode 100644
index 000000000000..61b1e301ed30
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/search_bar.dart
@@ -0,0 +1,148 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class SearchBarUseCase extends UseCase {
+  SearchBarUseCase();
+
+  @override
+  String get name => 'SearchBar';
+
+  @override
+  String get route => '/search-bar';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.core];
+
+  @override
+  Widget build(BuildContext context) => _MainWidget();
+}
+
+class _MainWidget extends StatefulWidget {
+  @override
+  State<_MainWidget> createState() => _MainWidgetState();
+}
+
+class _MainWidgetState extends State<_MainWidget> {
+  final String pageTitle = getUseCaseName(SearchBarUseCase());
+  String _statusMessage = '';
+
+  static const List<String> _kOptions = <String>[
+    'apple',
+    'banana',
+    'cherry',
+    'date',
+    'elderberry',
+    'fig',
+    'grape',
+    'honeydew',
+    'icicle',
+    'jackfruit',
+    'kiwi',
+    'lemon',
+    'mango',
+    'nectarine',
+    'orange',
+    'papaya',
+    'quince',
+    'raspberry',
+    'strawberry',
+    'tangerine',
+    'umbrella',
+    'vanilla',
+    'watermelon',
+    'xylophone',
+    'yuzu',
+    'zucchini',
+  ];
+
+  void _handleSearch(String value) {
+    setState(() {
+      _statusMessage = 'Searched for "$value"';
+    });
+    ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Searched for "$value"')));
+  }
+
+  Iterable<Widget> _getSuggestions(SearchController controller) {
+    final String input = controller.value.text;
+    return _kOptions
+        .where((String option) => option.contains(input.toLowerCase()))
+        .map(
+          (String filteredOption) => ListTile(
+            title: Text(filteredOption),
+            onTap: () {
+              controller.closeView(filteredOption);
+              _handleSearch(filteredOption);
+            },
+          ),
+        );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: ListView(
+        children: <Widget>[
+          Semantics(
+            label: 'Enabled search bar',
+            child: SearchAnchor(
+              builder: (BuildContext context, SearchController controller) {
+                return SearchBar(
+                  key: const Key('enabled search bar'),
+                  controller: controller,
+                  hintText: 'Search...',
+                  onTap: () {
+                    controller.openView();
+                  },
+                  onChanged: (_) {
+                    controller.openView();
+                  },
+                  onSubmitted: (String value) {
+                    _handleSearch(value);
+                  },
+                  leading: const Icon(Icons.search),
+                  trailing: <Widget>[
+                    IconButton(
+                      tooltip: 'Clear',
+                      icon: const Icon(Icons.clear),
+                      onPressed: () {
+                        controller.clear();
+                        setState(() {
+                          _statusMessage = 'Search cleared';
+                        });
+                      },
+                    ),
+                  ],
+                );
+              },
+              suggestionsBuilder: (BuildContext context, SearchController controller) {
+                return _getSuggestions(controller);
+              },
+            ),
+          ),
+          Semantics(
+            label: 'Disabled search bar',
+            child: const SearchBar(
+              key: Key('disabled search bar'),
+              hintText: 'Search...',
+              enabled: false,
+            ),
+          ),
+          if (_statusMessage.isNotEmpty)
+            Semantics(
+              liveRegion: true,
+              child: Padding(
+                padding: const EdgeInsets.all(8.0),
+                child: Text(_statusMessage, key: const Key('status message')),
+              ),
+            ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/segmented_button.dart b/packages/material_ui/a11y_assessments/lib/use_cases/segmented_button.dart
new file mode 100644
index 000000000000..b7e66d4b8502
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/segmented_button.dart
@@ -0,0 +1,69 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class SegmentedButtonUseCase extends UseCase {
+  SegmentedButtonUseCase();
+
+  @override
+  String get name => 'SegmentedButton';
+
+  @override
+  String get route => '/segmented-button';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch2, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  String pageTitle = getUseCaseName(SegmentedButtonUseCase());
+  Set<String> _selected = <String>{'Day'};
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Center(
+        child: SegmentedButton<String>(
+          segments: const <ButtonSegment<String>>[
+            ButtonSegment<String>(
+              value: 'Day',
+              label: Text('Day'),
+              icon: Icon(Icons.calendar_view_day),
+            ),
+            ButtonSegment<String>(
+              value: 'Week',
+              label: Text('Week'),
+              icon: Icon(Icons.calendar_view_week),
+            ),
+            ButtonSegment<String>(
+              value: 'Month',
+              label: Text('Month'),
+              icon: Icon(Icons.calendar_view_month),
+            ),
+          ],
+          selected: _selected,
+          onSelectionChanged: (Set<String> newSelection) {
+            setState(() {
+              _selected = newSelection;
+            });
+          },
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/slider.dart b/packages/material_ui/a11y_assessments/lib/use_cases/slider.dart
new file mode 100644
index 000000000000..356e9c05b61d
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/slider.dart
@@ -0,0 +1,62 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class SliderUseCase extends UseCase {
+  SliderUseCase();
+
+  @override
+  String get name => 'Slider';
+
+  @override
+  String get route => '/slider';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  double currentSliderValue = 20;
+
+  String pageTitle = getUseCaseName(SliderUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle demo'))),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            const Text('My Slider'),
+            Slider(
+              value: currentSliderValue,
+              max: 100,
+              divisions: 5,
+              label: currentSliderValue.round().toString(),
+              onChanged: (double value) {
+                setState(() {
+                  currentSliderValue = value;
+                });
+              },
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/snack_bar.dart b/packages/material_ui/a11y_assessments/lib/use_cases/snack_bar.dart
new file mode 100644
index 000000000000..e41132753c36
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/snack_bar.dart
@@ -0,0 +1,66 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class SnackBarUseCase extends UseCase {
+  SnackBarUseCase();
+
+  @override
+  String get name => 'SnackBar';
+
+  @override
+  String get route => '/snack-bar';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  String pageTitle = getUseCaseName(SnackBarUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Center(
+        child: Column(
+          children: <Widget>[
+            ElevatedButton(
+              child: const Text('Show Snackbar'),
+              onPressed: () {
+                ScaffoldMessenger.of(
+                  context,
+                ).showSnackBar(const SnackBar(content: Text('Awesome Snackbar!')));
+              },
+            ),
+            ElevatedButton(
+              child: const Text('Show Snackbar with action '),
+              onPressed: () {
+                ScaffoldMessenger.of(context).showSnackBar(
+                  SnackBar(
+                    content: const Text('Awesome Snackbar!'),
+                    action: SnackBarAction(label: 'Action', onPressed: () {}),
+                  ),
+                );
+              },
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/switch.dart b/packages/material_ui/a11y_assessments/lib/use_cases/switch.dart
new file mode 100644
index 000000000000..f9c6430bf1b9
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/switch.dart
@@ -0,0 +1,57 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class SwitchUseCase extends UseCase {
+  SwitchUseCase();
+
+  @override
+  String get name => 'Switch';
+
+  @override
+  String get route => '/switch';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch3, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => _MainWidget();
+}
+
+class _MainWidget extends StatefulWidget {
+  @override
+  State<_MainWidget> createState() => _MainWidgetState();
+}
+
+class _MainWidgetState extends State<_MainWidget> {
+  bool _value = false;
+
+  String pageTitle = getUseCaseName(SwitchUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: ListView(
+        children: <Widget>[
+          Semantics(
+            label: 'Enabled switch',
+            child: Switch(
+              value: _value,
+              onChanged: (bool value) {
+                setState(() {
+                  _value = value;
+                });
+              },
+            ),
+          ),
+          Semantics(label: 'Disabled switch', child: const Switch(value: false, onChanged: null)),
+        ],
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/switch_list_tile.dart b/packages/material_ui/a11y_assessments/lib/use_cases/switch_list_tile.dart
new file mode 100644
index 000000000000..cb2cd587bb21
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/switch_list_tile.dart
@@ -0,0 +1,71 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class SwitchListTileUseCase extends UseCase {
+  SwitchListTileUseCase();
+
+  @override
+  String get name => 'SwitchListTile';
+
+  @override
+  String get route => '/switch-list-tile';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const SwitchListTileExample();
+}
+
+class SwitchListTileExample extends StatefulWidget {
+  const SwitchListTileExample({super.key});
+
+  @override
+  State<SwitchListTileExample> createState() => _SwitchListTileExampleState();
+}
+
+class _SwitchListTileExampleState extends State<SwitchListTileExample> {
+  bool _lights1 = false;
+  bool _lights2 = false;
+
+  String pageTitle = getUseCaseName(SwitchListTileUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Center(
+        child: Column(
+          children: <Widget>[
+            SwitchListTile(
+              title: const Text('Lights'),
+              value: _lights1,
+              onChanged: (bool value) {
+                setState(() {
+                  _lights1 = value;
+                });
+              },
+              secondary: const Icon(Icons.lightbulb_outline),
+            ),
+            SwitchListTile(
+              title: const Text('Lights'),
+              subtitle: const Text('Subtitle'),
+              value: _lights2,
+              onChanged: (bool value) {
+                setState(() {
+                  _lights2 = value;
+                });
+              },
+              secondary: const Icon(Icons.lightbulb_outline),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/tab_bar_view.dart b/packages/material_ui/a11y_assessments/lib/use_cases/tab_bar_view.dart
new file mode 100644
index 000000000000..e475d299027a
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/tab_bar_view.dart
@@ -0,0 +1,54 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+
+import 'use_cases.dart';
+
+class TabBarViewUseCase extends UseCase {
+  TabBarViewUseCase();
+
+  @override
+  String get name => 'TabBarView';
+
+  @override
+  String get route => '/tab-bar-view';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const TabBarViewExample();
+}
+
+class TabBarViewExample extends StatelessWidget {
+  const TabBarViewExample({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return DefaultTabController(
+      initialIndex: 1,
+      length: 3,
+      child: Scaffold(
+        appBar: AppBar(
+          title: Semantics(headingLevel: 1, child: const Text('TabBarView Sample')),
+          bottom: const TabBar(
+            tabs: <Widget>[
+              Tab(icon: Icon(Icons.cloud_outlined), text: 'Cloudy'),
+              Tab(icon: Icon(Icons.beach_access_sharp), text: 'Rainy'),
+              Tab(icon: Icon(Icons.brightness_5_sharp), text: 'Sunny'),
+            ],
+          ),
+        ),
+        body: const TabBarView(
+          children: <Widget>[
+            Center(child: Text("It's cloudy here")),
+            Center(child: Text("It's rainy here")),
+            Center(child: Text("It's sunny here")),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/text_button.dart b/packages/material_ui/a11y_assessments/lib/use_cases/text_button.dart
new file mode 100644
index 000000000000..690f80fe3f40
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/text_button.dart
@@ -0,0 +1,80 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class TextButtonUseCase extends UseCase {
+  TextButtonUseCase();
+
+  @override
+  String get name => 'TextButton';
+
+  @override
+  String get route => '/text-button';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  String pageTitle = getUseCaseName(TextButtonUseCase());
+  final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
+  static const String fieldLabel = 'City';
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Form(
+        key: _formKey,
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: <Widget>[
+            TextFormField(
+              // The validator receives the text that the user has entered.
+              validator: (String? value) {
+                if (value == null || value.isEmpty) {
+                  return 'Please enter some text';
+                }
+                return null;
+              },
+              errorBuilder: (BuildContext context, String errorText) {
+                return Text(errorText, semanticsLabel: '$errorText in $fieldLabel');
+              },
+              decoration: const InputDecoration(labelText: fieldLabel),
+            ),
+            Padding(
+              padding: const EdgeInsets.symmetric(vertical: 16),
+              child: ElevatedButton(
+                onPressed: () {
+                  // Validate returns true if the form is valid, or false otherwise.
+                  if (_formKey.currentState!.validate()) {
+                    // If the form is valid, display a snackbar. In the real world,
+                    // this might also send a request to a server.
+                    ScaffoldMessenger.of(
+                      context,
+                    ).showSnackBar(const SnackBar(content: Text('Form submitted')));
+                  }
+                },
+                child: const Text('Submit'),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/text_field.dart b/packages/material_ui/a11y_assessments/lib/use_cases/text_field.dart
new file mode 100644
index 000000000000..690bbcada51e
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/text_field.dart
@@ -0,0 +1,66 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class TextFieldUseCase extends UseCase {
+  TextFieldUseCase();
+
+  @override
+  String get name => 'TextField';
+
+  @override
+  String get route => '/text-field';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => _MainWidget();
+}
+
+class _MainWidget extends StatelessWidget {
+  _MainWidget();
+
+  final String pageTitle = getUseCaseName(TextFieldUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: ListView(
+        children: <Widget>[
+          Semantics(
+            label: 'Input field with suffix @gmail.com',
+            child: const TextField(
+              key: Key('enabled text field'),
+              maxLines: null,
+              decoration: InputDecoration(
+                labelText: 'Email',
+                suffixText: '@gmail.com',
+                hintText: 'Enter your email',
+              ),
+            ),
+          ),
+          Semantics(
+            label: 'Input field with suffix @gmail.com',
+            child: TextField(
+              key: const Key('disabled text field'),
+              maxLines: null,
+              decoration: const InputDecoration(
+                labelText: 'Email',
+                suffixText: '@gmail.com',
+                hintText: 'Enter your email',
+              ),
+              enabled: false,
+              controller: TextEditingController(text: 'xyz'),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/text_field_password.dart b/packages/material_ui/a11y_assessments/lib/use_cases/text_field_password.dart
new file mode 100644
index 000000000000..2f2825813d2b
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/text_field_password.dart
@@ -0,0 +1,51 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class TextFieldPasswordUseCase extends UseCase {
+  TextFieldPasswordUseCase();
+
+  @override
+  String get name => 'TextField password';
+
+  @override
+  String get route => '/text-field-password';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch1, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => _MainWidget();
+}
+
+class _MainWidget extends StatelessWidget {
+  _MainWidget();
+
+  final String pageTitle = getUseCaseName(TextFieldPasswordUseCase());
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: ListView(
+        children: const <Widget>[
+          TextField(
+            key: Key('enabled password'),
+            decoration: InputDecoration(labelText: 'Password'),
+            obscureText: true,
+          ),
+          TextField(
+            key: Key('disabled password'),
+            decoration: InputDecoration(labelText: 'Password'),
+            enabled: false,
+            obscureText: true,
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/text_form_field.dart b/packages/material_ui/a11y_assessments/lib/use_cases/text_form_field.dart
new file mode 100644
index 000000000000..a7e5efe64574
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/text_form_field.dart
@@ -0,0 +1,106 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class TextFormFieldUseCase extends UseCase {
+  TextFormFieldUseCase();
+
+  @override
+  String get name => 'TextFormField';
+
+  @override
+  String get route => '/text-form-field';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch3, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => _MainWidget();
+}
+
+class _MainWidget extends StatefulWidget {
+  @override
+  State<_MainWidget> createState() => _MainWidgetState();
+}
+
+class _MainWidgetState extends State<_MainWidget> {
+  final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
+  final String pageTitle = getUseCaseName(TextFormFieldUseCase());
+  String _statusMessage = '';
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Form(
+        key: _formKey,
+        child: ListView(
+          children: <Widget>[
+            Semantics(
+              label: 'Enabled text form field',
+              child: TextFormField(
+                key: const Key('enabled text form field'),
+                maxLines: null,
+                decoration: const InputDecoration(
+                  labelText: 'Email',
+                  suffixText: '@gmail.com',
+                  hintText: 'Enter your email',
+                ),
+                validator: (String? value) {
+                  if (value == null || value.isEmpty) {
+                    return 'Please enter some text';
+                  }
+                  return null;
+                },
+              ),
+            ),
+            Semantics(
+              label: 'Disabled text form field',
+              child: TextFormField(
+                key: const Key('disabled text form field'),
+                maxLines: null,
+                decoration: const InputDecoration(
+                  labelText: 'Email',
+                  suffixText: '@gmail.com',
+                  hintText: 'Enter your email',
+                ),
+                enabled: false,
+                initialValue: 'xyz',
+              ),
+            ),
+            ElevatedButton(
+              key: const Key('submit button'),
+              onPressed: () {
+                if (_formKey.currentState!.validate()) {
+                  setState(() {
+                    _statusMessage = 'Form submitted successfully!';
+                  });
+                  ScaffoldMessenger.of(
+                    context,
+                  ).showSnackBar(const SnackBar(content: Text('Form submitted successfully!')));
+                } else {
+                  setState(() {
+                    _statusMessage = 'Validation failed';
+                  });
+                }
+              },
+              child: const Text('Submit'),
+            ),
+            if (_statusMessage.isNotEmpty)
+              Semantics(
+                liveRegion: true,
+                child: Padding(
+                  padding: const EdgeInsets.all(8.0),
+                  child: Text(_statusMessage, key: const Key('status message')),
+                ),
+              ),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/toggle_buttons.dart b/packages/material_ui/a11y_assessments/lib/use_cases/toggle_buttons.dart
new file mode 100644
index 000000000000..37c0f8ed2a6c
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/toggle_buttons.dart
@@ -0,0 +1,59 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:material_ui/material_ui.dart';
+import '../utils.dart';
+import 'use_cases.dart';
+
+class ToggleButtonsUseCase extends UseCase {
+  ToggleButtonsUseCase();
+
+  @override
+  String get name => 'ToggleButtons';
+
+  @override
+  String get route => '/toggle-buttons';
+
+  @override
+  List<Tag> get tags => <Tag>[Tag.batch2, Tag.core];
+
+  @override
+  Widget build(BuildContext context) => const MainWidget();
+}
+
+class MainWidget extends StatefulWidget {
+  const MainWidget({super.key});
+
+  @override
+  State<MainWidget> createState() => MainWidgetState();
+}
+
+class MainWidgetState extends State<MainWidget> {
+  String pageTitle = getUseCaseName(ToggleButtonsUseCase());
+  final List<bool> _selected = <bool>[true, false, false];
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo'))),
+      body: Center(
+        child: ToggleButtons(
+          isSelected: _selected,
+          onPressed: (int index) {
+            setState(() {
+              _selected[index] = !_selected[index];
+            });
+          },
+          fillColor: Theme.of(context).colorScheme.primary,
+          selectedColor: Theme.of(context).colorScheme.onPrimary,
+          children: <Widget>[
+            Semantics(label: 'Bold', child: const Icon(Icons.format_bold)),
+            Semantics(label: 'Italic', child: const Icon(Icons.format_italic)),
+            Semantics(label: 'Underline', child: const Icon(Icons.format_underlined)),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/lib/use_cases/use_cases.dart b/packages/material_ui/a11y_assessments/lib/use_cases/use_cases.dart
new file mode 100644
index 000000000000..410cdad9c1cc
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/use_cases/use_cases.dart
@@ -0,0 +1,125 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter/widgets.dart';
+
+import '../common/dynamic_title.dart';
+import 'about_list_tile.dart';
+import 'action_chip.dart';
+import 'app_bar.dart';
+import 'auto_complete.dart';
+import 'back_button.dart';
+import 'badge.dart';
+import 'bottom_app_bar.dart';
+import 'card.dart';
+import 'check_box.dart';
+import 'check_box_list_tile.dart';
+import 'close_button.dart';
+import 'date_picker.dart';
+import 'dialog.dart';
+import 'drawer.dart';
+import 'dropdown_menu.dart';
+import 'elevated_button.dart';
+import 'expansion_tile.dart';
+import 'filled_button.dart';
+import 'floating_action_button.dart';
+import 'icon_button.dart';
+import 'material_banner.dart';
+import 'menu_anchor.dart';
+import 'menu_bar.dart';
+import 'navigation_bar.dart';
+import 'navigation_drawer.dart';
+import 'navigation_rail.dart';
+import 'outlined_button.dart';
+import 'popup_menu_button.dart';
+import 'radio.dart';
+import 'radio_list_tile.dart';
+import 'range_slider.dart';
+import 'search_bar.dart';
+import 'segmented_button.dart';
+import 'slider.dart';
+import 'snack_bar.dart';
+import 'switch.dart';
+import 'switch_list_tile.dart';
+import 'tab_bar_view.dart';
+import 'text_button.dart';
+import 'text_field.dart';
+import 'text_field_password.dart';
+import 'text_form_field.dart';
+import 'toggle_buttons.dart';
+
+/// Tags for accessibility assessment use cases.
+enum Tag {
+  batch1('First batch of widgets for VPAT assessment'),
+  batch2('Second batch of widgets for VPAT assessment, Q2 2026'),
+  batch3('Third batch of widgets for VPAT assessment, Q3 2023'),
+  core('Essential use-cases requested for various a11y certifications'),
+
+  /// An additional use-case that the team considers important to cover, even if
+  /// nobody requested this as part of any certification process.
+  additional('Additional use-cases covered by the team');
+
+  const Tag(this.description);
+  final String description;
+}
+
+abstract class UseCase {
+  UseCase();
+
+  String get name;
+  String get route;
+  List<Tag> get tags;
+
+  Widget buildWithTitle(BuildContext context) {
+    return DynamicTitle(title: name, child: build(context));
+  }
+
+  Widget build(BuildContext context);
+}
+
+final List<UseCase> useCases = <UseCase>[
+  AboutListTileUseCase(),
+  CheckBoxUseCase(),
+  CheckBoxListTile(),
+  DialogUseCase(),
+  SliderUseCase(),
+  RangeSliderUseCase(),
+  TextFieldUseCase(),
+  TextFieldPasswordUseCase(),
+  DatePickerUseCase(),
+  AutoCompleteUseCase(),
+  BadgeUseCase(),
+  MaterialBannerUseCase(),
+  NavigationBarUseCase(),
+  TextButtonUseCase(),
+  RadioUseCase(),
+  RadioListTileUseCase(),
+  ActionChipUseCase(),
+  SnackBarUseCase(),
+  SwitchUseCase(),
+  SwitchListTileUseCase(),
+  ExpansionTileUseCase(),
+  CardUseCase(),
+  DrawerUseCase(),
+  NavigationDrawerUseCase(),
+  NavigationRailUseCase(),
+  AppBarUseCase(),
+  TabBarViewUseCase(),
+  ElevatedButtonUseCase(),
+  FilledButtonUseCase(),
+  OutlinedButtonUseCase(),
+  IconButtonUseCase(),
+  FloatingActionButtonUseCase(),
+  PopupMenuButtonUseCase(),
+  SegmentedButtonUseCase(),
+  ToggleButtonsUseCase(),
+  BackButtonUseCase(),
+  CloseButtonUseCase(),
+  TextFormFieldUseCase(),
+  SearchBarUseCase(),
+  DropdownMenuUseCase(),
+  MenuAnchorUseCase(),
+  MenuBarUseCase(),
+  BottomAppBarUseCase(),
+];
diff --git a/packages/material_ui/a11y_assessments/lib/utils.dart b/packages/material_ui/a11y_assessments/lib/utils.dart
new file mode 100644
index 000000000000..a65c24c3626d
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/lib/utils.dart
@@ -0,0 +1,7 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import './use_cases/use_cases.dart';
+
+String getUseCaseName(UseCase useCase) => useCase.name;
diff --git a/packages/material_ui/a11y_assessments/linux/.gitignore b/packages/material_ui/a11y_assessments/linux/.gitignore
new file mode 100644
index 000000000000..d3896c98444f
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/linux/.gitignore
@@ -0,0 +1 @@
+flutter/ephemeral
diff --git a/packages/material_ui/a11y_assessments/linux/CMakeLists.txt b/packages/material_ui/a11y_assessments/linux/CMakeLists.txt
new file mode 100644
index 000000000000..07dc63e3803d
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/linux/CMakeLists.txt
@@ -0,0 +1,139 @@
+# Project-level configuration.
+cmake_minimum_required(VERSION 3.10)
+project(runner LANGUAGES CXX)
+
+# The name of the executable created for the application. Change this to change
+# the on-disk name of your application.
+set(BINARY_NAME "a11y_assessments")
+# The unique GTK application identifier for this application. See:
+# https://wiki.gnome.org/HowDoI/ChooseApplicationID
+set(APPLICATION_ID "com.example.a11y_assessments")
+
+# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
+# versions of CMake.
+cmake_policy(SET CMP0063 NEW)
+
+# Load bundled libraries from the lib/ directory relative to the binary.
+set(CMAKE_INSTALL_RPATH "$ORIGIN/lib")
+
+# Root filesystem for cross-building.
+if(FLUTTER_TARGET_PLATFORM_SYSROOT)
+  set(CMAKE_SYSROOT ${FLUTTER_TARGET_PLATFORM_SYSROOT})
+  set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
+  set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+  set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+  set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+  set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+endif()
+
+# Define build configuration options.
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  set(CMAKE_BUILD_TYPE "Debug" CACHE
+    STRING "Flutter build mode" FORCE)
+  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
+    "Debug" "Profile" "Release")
+endif()
+
+# Compilation settings that should be applied to most targets.
+#
+# Be cautious about adding new options here, as plugins use this function by
+# default. In most cases, you should add new options to specific targets instead
+# of modifying this function.
+function(APPLY_STANDARD_SETTINGS TARGET)
+  target_compile_features(${TARGET} PUBLIC cxx_std_14)
+  target_compile_options(${TARGET} PRIVATE -Wall -Werror)
+  target_compile_options(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:-O3>")
+  target_compile_definitions(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:NDEBUG>")
+endfunction()
+
+# Flutter library and tool build rules.
+set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
+add_subdirectory(${FLUTTER_MANAGED_DIR})
+
+# System-level dependencies.
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
+
+add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}")
+
+# Define the application target. To change its name, change BINARY_NAME above,
+# not the value here, or `flutter run` will no longer work.
+#
+# Any new source files that you add to the application should be added here.
+add_executable(${BINARY_NAME}
+  "main.cc"
+  "my_application.cc"
+  "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
+)
+
+# Apply the standard set of build settings. This can be removed for applications
+# that need different build settings.
+apply_standard_settings(${BINARY_NAME})
+
+# Add dependency libraries. Add any application-specific dependencies here.
+target_link_libraries(${BINARY_NAME} PRIVATE flutter)
+target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK)
+
+# Run the Flutter tool portions of the build. This must not be removed.
+add_dependencies(${BINARY_NAME} flutter_assemble)
+
+# Only the install-generated bundle's copy of the executable will launch
+# correctly, since the resources must in the right relative locations. To avoid
+# people trying to run the unbundled copy, put it in a subdirectory instead of
+# the default top-level location.
+set_target_properties(${BINARY_NAME}
+  PROPERTIES
+  RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run"
+)
+
+
+# Generated plugin build rules, which manage building the plugins and adding
+# them to the application.
+include(flutter/generated_plugins.cmake)
+
+
+# === Installation ===
+# By default, "installing" just makes a relocatable bundle in the build
+# directory.
+set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle")
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
+endif()
+
+# Start with a clean build bundle directory every time.
+install(CODE "
+  file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\")
+  " COMPONENT Runtime)
+
+set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
+set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib")
+
+install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+  COMPONENT Runtime)
+
+foreach(bundled_library ${PLUGIN_BUNDLED_LIBRARIES})
+  install(FILES "${bundled_library}"
+    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endforeach(bundled_library)
+
+# Fully re-copy the assets directory on each build to avoid having stale files
+# from a previous install.
+set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
+install(CODE "
+  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
+  " COMPONENT Runtime)
+install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
+  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
+
+# Install the AOT library on non-Debug builds only.
+if(NOT CMAKE_BUILD_TYPE MATCHES "Debug")
+  install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endif()
diff --git a/packages/material_ui/a11y_assessments/linux/flutter/CMakeLists.txt b/packages/material_ui/a11y_assessments/linux/flutter/CMakeLists.txt
new file mode 100644
index 000000000000..d5bd01648a96
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/linux/flutter/CMakeLists.txt
@@ -0,0 +1,88 @@
+# This file controls Flutter-level build steps. It should not be edited.
+cmake_minimum_required(VERSION 3.10)
+
+set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
+
+# Configuration provided via flutter tool.
+include(${EPHEMERAL_DIR}/generated_config.cmake)
+
+# TODO: Move the rest of this into files in ephemeral. See
+# https://github.com/flutter/flutter/issues/57146.
+
+# Serves the same purpose as list(TRANSFORM ... PREPEND ...),
+# which isn't available in 3.10.
+function(list_prepend LIST_NAME PREFIX)
+    set(NEW_LIST "")
+    foreach(element ${${LIST_NAME}})
+        list(APPEND NEW_LIST "${PREFIX}${element}")
+    endforeach(element)
+    set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE)
+endfunction()
+
+# === Flutter Library ===
+# System-level dependencies.
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
+pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0)
+pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0)
+
+set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so")
+
+# Published to parent scope for install step.
+set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
+set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
+set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
+set(AOT_LIBRARY "${PROJECT_DIR}/build/lib/libapp.so" PARENT_SCOPE)
+
+list(APPEND FLUTTER_LIBRARY_HEADERS
+  "fl_basic_message_channel.h"
+  "fl_binary_codec.h"
+  "fl_binary_messenger.h"
+  "fl_dart_project.h"
+  "fl_engine.h"
+  "fl_json_message_codec.h"
+  "fl_json_method_codec.h"
+  "fl_message_codec.h"
+  "fl_method_call.h"
+  "fl_method_channel.h"
+  "fl_method_codec.h"
+  "fl_method_response.h"
+  "fl_plugin_registrar.h"
+  "fl_plugin_registry.h"
+  "fl_standard_message_codec.h"
+  "fl_standard_method_codec.h"
+  "fl_string_codec.h"
+  "fl_value.h"
+  "fl_view.h"
+  "flutter_linux.h"
+)
+list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/")
+add_library(flutter INTERFACE)
+target_include_directories(flutter INTERFACE
+  "${EPHEMERAL_DIR}"
+)
+target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}")
+target_link_libraries(flutter INTERFACE
+  PkgConfig::GTK
+  PkgConfig::GLIB
+  PkgConfig::GIO
+)
+add_dependencies(flutter flutter_assemble)
+
+# === Flutter tool backend ===
+# _phony_ is a non-existent file to force this command to run every time,
+# since currently there's no way to get a full input/output list from the
+# flutter tool.
+add_custom_command(
+  OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
+    ${CMAKE_CURRENT_BINARY_DIR}/_phony_
+  COMMAND ${CMAKE_COMMAND} -E env
+    ${FLUTTER_TOOL_ENVIRONMENT}
+    "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh"
+      ${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE}
+  VERBATIM
+)
+add_custom_target(flutter_assemble DEPENDS
+  "${FLUTTER_LIBRARY}"
+  ${FLUTTER_LIBRARY_HEADERS}
+)
diff --git a/packages/material_ui/a11y_assessments/linux/main.cc b/packages/material_ui/a11y_assessments/linux/main.cc
new file mode 100644
index 000000000000..281a29e16b59
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/linux/main.cc
@@ -0,0 +1,10 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "my_application.h"
+
+int main(int argc, char** argv) {
+  g_autoptr(MyApplication) app = my_application_new();
+  return g_application_run(G_APPLICATION(app), argc, argv);
+}
diff --git a/packages/material_ui/a11y_assessments/linux/my_application.cc b/packages/material_ui/a11y_assessments/linux/my_application.cc
new file mode 100644
index 000000000000..05e5133c6056
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/linux/my_application.cc
@@ -0,0 +1,108 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "my_application.h"
+
+#include <flutter_linux/flutter_linux.h>
+#ifdef GDK_WINDOWING_X11
+#include <gdk/gdkx.h>
+#endif
+
+#include "flutter/generated_plugin_registrant.h"
+
+struct _MyApplication {
+  GtkApplication parent_instance;
+  char** dart_entrypoint_arguments;
+};
+
+G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION)
+
+// Implements GApplication::activate.
+static void my_application_activate(GApplication* application) {
+  MyApplication* self = MY_APPLICATION(application);
+  GtkWindow* window =
+      GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application)));
+
+  // Use a header bar when running in GNOME as this is the common style used
+  // by applications and is the setup most users will be using (e.g. Ubuntu
+  // desktop).
+  // If running on X and not using GNOME then just use a traditional title bar
+  // in case the window manager does more exotic layout, e.g. tiling.
+  // If running on Wayland assume the header bar will work (may need changing
+  // if future cases occur).
+  gboolean use_header_bar = TRUE;
+#ifdef GDK_WINDOWING_X11
+  GdkScreen* screen = gtk_window_get_screen(window);
+  if (GDK_IS_X11_SCREEN(screen)) {
+    const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen);
+    if (g_strcmp0(wm_name, "GNOME Shell") != 0) {
+      use_header_bar = FALSE;
+    }
+  }
+#endif
+  if (use_header_bar) {
+    GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new());
+    gtk_widget_show(GTK_WIDGET(header_bar));
+    gtk_header_bar_set_title(header_bar, "a11y_assessments");
+    gtk_header_bar_set_show_close_button(header_bar, TRUE);
+    gtk_window_set_titlebar(window, GTK_WIDGET(header_bar));
+  } else {
+    gtk_window_set_title(window, "a11y_assessments");
+  }
+
+  gtk_window_set_default_size(window, 1280, 720);
+  gtk_widget_show(GTK_WIDGET(window));
+
+  g_autoptr(FlDartProject) project = fl_dart_project_new();
+  fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments);
+
+  FlView* view = fl_view_new(project);
+  gtk_widget_show(GTK_WIDGET(view));
+  gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));
+
+  fl_register_plugins(FL_PLUGIN_REGISTRY(view));
+
+  gtk_widget_grab_focus(GTK_WIDGET(view));
+}
+
+// Implements GApplication::local_command_line.
+static gboolean my_application_local_command_line(GApplication* application, gchar*** arguments, int* exit_status) {
+  MyApplication* self = MY_APPLICATION(application);
+  // Strip out the first argument as it is the binary name.
+  self->dart_entrypoint_arguments = g_strdupv(*arguments + 1);
+
+  g_autoptr(GError) error = nullptr;
+  if (!g_application_register(application, nullptr, &error)) {
+     g_warning("Failed to register: %s", error->message);
+     *exit_status = 1;
+     return TRUE;
+  }
+
+  g_application_activate(application);
+  *exit_status = 0;
+
+  return TRUE;
+}
+
+// Implements GObject::dispose.
+static void my_application_dispose(GObject* object) {
+  MyApplication* self = MY_APPLICATION(object);
+  g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev);
+  G_OBJECT_CLASS(my_application_parent_class)->dispose(object);
+}
+
+static void my_application_class_init(MyApplicationClass* klass) {
+  G_APPLICATION_CLASS(klass)->activate = my_application_activate;
+  G_APPLICATION_CLASS(klass)->local_command_line = my_application_local_command_line;
+  G_OBJECT_CLASS(klass)->dispose = my_application_dispose;
+}
+
+static void my_application_init(MyApplication* self) {}
+
+MyApplication* my_application_new() {
+  return MY_APPLICATION(g_object_new(my_application_get_type(),
+                                     "application-id", APPLICATION_ID,
+                                     "flags", G_APPLICATION_NON_UNIQUE,
+                                     nullptr));
+}
diff --git a/packages/material_ui/a11y_assessments/linux/my_application.h b/packages/material_ui/a11y_assessments/linux/my_application.h
new file mode 100644
index 000000000000..8c66ec485434
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/linux/my_application.h
@@ -0,0 +1,22 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef FLUTTER_MY_APPLICATION_H_
+#define FLUTTER_MY_APPLICATION_H_
+
+#include <gtk/gtk.h>
+
+G_DECLARE_FINAL_TYPE(MyApplication, my_application, MY, APPLICATION,
+                     GtkApplication)
+
+/**
+ * my_application_new:
+ *
+ * Creates a new Flutter-based application.
+ *
+ * Returns: a new #MyApplication.
+ */
+MyApplication* my_application_new();
+
+#endif  // FLUTTER_MY_APPLICATION_H_
diff --git a/packages/material_ui/a11y_assessments/macos/.gitignore b/packages/material_ui/a11y_assessments/macos/.gitignore
new file mode 100644
index 000000000000..746adbb6b9e1
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/.gitignore
@@ -0,0 +1,7 @@
+# Flutter-related
+**/Flutter/ephemeral/
+**/Pods/
+
+# Xcode-related
+**/dgph
+**/xcuserdata/
diff --git a/packages/material_ui/a11y_assessments/macos/Flutter/Flutter-Debug.xcconfig b/packages/material_ui/a11y_assessments/macos/Flutter/Flutter-Debug.xcconfig
new file mode 100644
index 000000000000..c2efd0b608ba
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/Flutter/Flutter-Debug.xcconfig
@@ -0,0 +1 @@
+#include "ephemeral/Flutter-Generated.xcconfig"
diff --git a/packages/material_ui/a11y_assessments/macos/Flutter/Flutter-Release.xcconfig b/packages/material_ui/a11y_assessments/macos/Flutter/Flutter-Release.xcconfig
new file mode 100644
index 000000000000..c2efd0b608ba
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/Flutter/Flutter-Release.xcconfig
@@ -0,0 +1 @@
+#include "ephemeral/Flutter-Generated.xcconfig"
diff --git a/packages/material_ui/a11y_assessments/macos/Runner.xcodeproj/project.pbxproj b/packages/material_ui/a11y_assessments/macos/Runner.xcodeproj/project.pbxproj
new file mode 100644
index 000000000000..ffcfb0125aa0
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/Runner.xcodeproj/project.pbxproj
@@ -0,0 +1,695 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 54;
+	objects = {
+
+/* Begin PBXAggregateTarget section */
+		33CC111A2044C6BA0003C045 /* Flutter Assemble */ = {
+			isa = PBXAggregateTarget;
+			buildConfigurationList = 33CC111B2044C6BA0003C045 /* Build configuration list for PBXAggregateTarget "Flutter Assemble" */;
+			buildPhases = (
+				33CC111E2044C6BF0003C045 /* ShellScript */,
+			);
+			dependencies = (
+			);
+			name = "Flutter Assemble";
+			productName = FLX;
+		};
+/* End PBXAggregateTarget section */
+
+/* Begin PBXBuildFile section */
+		331C80D8294CF71000263BE5 /* RunnerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 331C80D7294CF71000263BE5 /* RunnerTests.swift */; };
+		335BBD1B22A9A15E00E9071D /* GeneratedPluginRegistrant.swift in Sources */ = {isa = PBXBuildFile; fileRef = 335BBD1A22A9A15E00E9071D /* GeneratedPluginRegistrant.swift */; };
+		33CC10F12044A3C60003C045 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 33CC10F02044A3C60003C045 /* AppDelegate.swift */; };
+		33CC10F32044A3C60003C045 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 33CC10F22044A3C60003C045 /* Assets.xcassets */; };
+		33CC10F62044A3C60003C045 /* MainMenu.xib in Resources */ = {isa = PBXBuildFile; fileRef = 33CC10F42044A3C60003C045 /* MainMenu.xib */; };
+		33CC11132044BFA00003C045 /* MainFlutterWindow.swift in Sources */ = {isa = PBXBuildFile; fileRef = 33CC11122044BFA00003C045 /* MainFlutterWindow.swift */; };
+/* End PBXBuildFile section */
+
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+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CODE_SIGN_IDENTITY = "-";
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = dwarf;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_TESTABILITY = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
+					"$(inherited)",
+				);
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MTL_ENABLE_DEBUG_INFO = YES;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = macosx;
+				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+			};
+			name = Debug;
+		};
+		33CC10FA2044A3C60003C045 /* Release */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CODE_SIGN_IDENTITY = "-";
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				ENABLE_NS_ASSERTIONS = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				SDKROOT = macosx;
+				SWIFT_COMPILATION_MODE = wholemodule;
+				SWIFT_OPTIMIZATION_LEVEL = "-O";
+			};
+			name = Release;
+		};
+		33CC10FC2044A3C60003C045 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 33E5194F232828860026EE4D /* AppInfo.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_ENTITLEMENTS = Runner/DebugProfile.entitlements;
+				CODE_SIGN_STYLE = Automatic;
+				COMBINE_HIDPI_IMAGES = YES;
+				INFOPLIST_FILE = Runner/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+				);
+				PROVISIONING_PROFILE_SPECIFIER = "";
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 5.0;
+			};
+			name = Debug;
+		};
+		33CC10FD2044A3C60003C045 /* Release */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 33E5194F232828860026EE4D /* AppInfo.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_ENTITLEMENTS = Runner/Release.entitlements;
+				CODE_SIGN_STYLE = Automatic;
+				COMBINE_HIDPI_IMAGES = YES;
+				INFOPLIST_FILE = Runner/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+				);
+				PROVISIONING_PROFILE_SPECIFIER = "";
+				SWIFT_VERSION = 5.0;
+			};
+			name = Release;
+		};
+		33CC111C2044C6BA0003C045 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_STYLE = Manual;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Debug;
+		};
+		33CC111D2044C6BA0003C045 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_STYLE = Automatic;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		331C80DE294CF71000263BE5 /* Build configuration list for PBXNativeTarget "RunnerTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				331C80DB294CF71000263BE5 /* Debug */,
+				331C80DC294CF71000263BE5 /* Release */,
+				331C80DD294CF71000263BE5 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		33CC10E82044A3C60003C045 /* Build configuration list for PBXProject "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				33CC10F92044A3C60003C045 /* Debug */,
+				33CC10FA2044A3C60003C045 /* Release */,
+				338D0CE9231458BD00FA5F75 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		33CC10FB2044A3C60003C045 /* Build configuration list for PBXNativeTarget "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				33CC10FC2044A3C60003C045 /* Debug */,
+				33CC10FD2044A3C60003C045 /* Release */,
+				338D0CEA231458BD00FA5F75 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		33CC111B2044C6BA0003C045 /* Build configuration list for PBXAggregateTarget "Flutter Assemble" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				33CC111C2044C6BA0003C045 /* Debug */,
+				33CC111D2044C6BA0003C045 /* Release */,
+				338D0CEB231458BD00FA5F75 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 33CC10E52044A3C60003C045 /* Project object */;
+}
diff --git a/packages/material_ui/a11y_assessments/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/packages/material_ui/a11y_assessments/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 000000000000..18d981003d68
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
diff --git a/packages/material_ui/a11y_assessments/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/packages/material_ui/a11y_assessments/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
new file mode 100644
index 000000000000..467ce8a5701c
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1510"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+               BuildableName = "a11y_assessments.app"
+               BlueprintName = "Runner"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+            BuildableName = "a11y_assessments.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <Testables>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "331C80D4294CF70F00263BE5"
+               BuildableName = "RunnerTests.xctest"
+               BlueprintName = "RunnerTests"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+            BuildableName = "a11y_assessments.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Profile"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+            BuildableName = "a11y_assessments.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/packages/material_ui/a11y_assessments/macos/Runner.xcworkspace/contents.xcworkspacedata b/packages/material_ui/a11y_assessments/macos/Runner.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 000000000000..1d526a16ed0f
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/Runner.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+</Workspace>
diff --git a/packages/material_ui/a11y_assessments/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/packages/material_ui/a11y_assessments/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 000000000000..18d981003d68
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
diff --git a/packages/material_ui/a11y_assessments/macos/Runner/AppDelegate.swift b/packages/material_ui/a11y_assessments/macos/Runner/AppDelegate.swift
new file mode 100644
index 000000000000..573ad7b432ae
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/Runner/AppDelegate.swift
@@ -0,0 +1,17 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import Cocoa
+import FlutterMacOS
+
+@main
+class AppDelegate: FlutterAppDelegate {
+  override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
+    return true
+  }
+
+  override func applicationSupportsSecureRestorableState(_ app: NSApplication) -> Bool {
+    return true
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json b/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
new file mode 100644
index 000000000000..a2ec33f19f11
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
@@ -0,0 +1,68 @@
+{
+  "images" : [
+    {
+      "size" : "16x16",
+      "idiom" : "mac",
+      "filename" : "app_icon_16.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "16x16",
+      "idiom" : "mac",
+      "filename" : "app_icon_32.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "32x32",
+      "idiom" : "mac",
+      "filename" : "app_icon_32.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "32x32",
+      "idiom" : "mac",
+      "filename" : "app_icon_64.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "128x128",
+      "idiom" : "mac",
+      "filename" : "app_icon_128.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "128x128",
+      "idiom" : "mac",
+      "filename" : "app_icon_256.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "256x256",
+      "idiom" : "mac",
+      "filename" : "app_icon_256.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "256x256",
+      "idiom" : "mac",
+      "filename" : "app_icon_512.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "512x512",
+      "idiom" : "mac",
+      "filename" : "app_icon_512.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "512x512",
+      "idiom" : "mac",
+      "filename" : "app_icon_1024.png",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_1024.png b/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_1024.png
new file mode 100644
index 000000000000..3c4935a7ca84
Binary files /dev/null and b/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_1024.png differ
diff --git a/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_128.png b/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_128.png
new file mode 100644
index 000000000000..ed4cc1642168
Binary files /dev/null and b/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_128.png differ
diff --git a/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_16.png b/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_16.png
new file mode 100644
index 000000000000..483be6138973
Binary files /dev/null and b/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_16.png differ
diff --git a/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_256.png b/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_256.png
new file mode 100644
index 000000000000..bcbf36df2f2a
Binary files /dev/null and b/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_256.png differ
diff --git a/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_32.png b/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_32.png
new file mode 100644
index 000000000000..9c0a65286476
Binary files /dev/null and b/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_32.png differ
diff --git a/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_512.png b/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_512.png
new file mode 100644
index 000000000000..e71a726136a4
Binary files /dev/null and b/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_512.png differ
diff --git a/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_64.png b/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_64.png
new file mode 100644
index 000000000000..8a31fe2dd3f9
Binary files /dev/null and b/packages/material_ui/a11y_assessments/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_64.png differ
diff --git a/packages/material_ui/a11y_assessments/macos/Runner/Base.lproj/MainMenu.xib b/packages/material_ui/a11y_assessments/macos/Runner/Base.lproj/MainMenu.xib
new file mode 100644
index 000000000000..80e867a4e06b
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/Runner/Base.lproj/MainMenu.xib
@@ -0,0 +1,343 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="14490.70" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+    <dependencies>
+        <deployment identifier="macosx"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="14490.70"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <customObject id="-2" userLabel="File's Owner" customClass="NSApplication">
+            <connections>
+                <outlet property="delegate" destination="Voe-Tx-rLC" id="GzC-gU-4Uq"/>
+            </connections>
+        </customObject>
+        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
+        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
+        <customObject id="Voe-Tx-rLC" customClass="AppDelegate" customModule="Runner" customModuleProvider="target">
+            <connections>
+                <outlet property="applicationMenu" destination="uQy-DD-JDr" id="XBo-yE-nKs"/>
+                <outlet property="mainFlutterWindow" destination="QvC-M9-y7g" id="gIp-Ho-8D9"/>
+            </connections>
+        </customObject>
+        <customObject id="YLy-65-1bz" customClass="NSFontManager"/>
+        <menu title="Main Menu" systemMenu="main" id="AYu-sK-qS6">
+            <items>
+                <menuItem title="APP_NAME" id="1Xt-HY-uBw">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="APP_NAME" systemMenu="apple" id="uQy-DD-JDr">
+                        <items>
+                            <menuItem title="About APP_NAME" id="5kV-Vb-QxS">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="orderFrontStandardAboutPanel:" target="-1" id="Exp-CZ-Vem"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="VOq-y0-SEH"/>
+                            <menuItem title="Preferences…" keyEquivalent="," id="BOF-NM-1cW"/>
+                            <menuItem isSeparatorItem="YES" id="wFC-TO-SCJ"/>
+                            <menuItem title="Services" id="NMo-om-nkz">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Services" systemMenu="services" id="hz9-B4-Xy5"/>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="4je-JR-u6R"/>
+                            <menuItem title="Hide APP_NAME" keyEquivalent="h" id="Olw-nP-bQN">
+                                <connections>
+                                    <action selector="hide:" target="-1" id="PnN-Uc-m68"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Hide Others" keyEquivalent="h" id="Vdr-fp-XzO">
+                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                <connections>
+                                    <action selector="hideOtherApplications:" target="-1" id="VT4-aY-XCT"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Show All" id="Kd2-mp-pUS">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="unhideAllApplications:" target="-1" id="Dhg-Le-xox"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="kCx-OE-vgT"/>
+                            <menuItem title="Quit APP_NAME" keyEquivalent="q" id="4sb-4s-VLi">
+                                <connections>
+                                    <action selector="terminate:" target="-1" id="Te7-pn-YzF"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Edit" id="5QF-Oa-p0T">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Edit" id="W48-6f-4Dl">
+                        <items>
+                            <menuItem title="Undo" keyEquivalent="z" id="dRJ-4n-Yzg">
+                                <connections>
+                                    <action selector="undo:" target="-1" id="M6e-cu-g7V"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Redo" keyEquivalent="Z" id="6dh-zS-Vam">
+                                <connections>
+                                    <action selector="redo:" target="-1" id="oIA-Rs-6OD"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="WRV-NI-Exz"/>
+                            <menuItem title="Cut" keyEquivalent="x" id="uRl-iY-unG">
+                                <connections>
+                                    <action selector="cut:" target="-1" id="YJe-68-I9s"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Copy" keyEquivalent="c" id="x3v-GG-iWU">
+                                <connections>
+                                    <action selector="copy:" target="-1" id="G1f-GL-Joy"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Paste" keyEquivalent="v" id="gVA-U4-sdL">
+                                <connections>
+                                    <action selector="paste:" target="-1" id="UvS-8e-Qdg"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Paste and Match Style" keyEquivalent="V" id="WeT-3V-zwk">
+                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                <connections>
+                                    <action selector="pasteAsPlainText:" target="-1" id="cEh-KX-wJQ"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Delete" id="pa3-QI-u2k">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="delete:" target="-1" id="0Mk-Ml-PaM"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Select All" keyEquivalent="a" id="Ruw-6m-B2m">
+                                <connections>
+                                    <action selector="selectAll:" target="-1" id="VNm-Mi-diN"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="uyl-h8-XO2"/>
+                            <menuItem title="Find" id="4EN-yA-p0u">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Find" id="1b7-l0-nxx">
+                                    <items>
+                                        <menuItem title="Find…" tag="1" keyEquivalent="f" id="Xz5-n4-O0W">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="cD7-Qs-BN4"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Find and Replace…" tag="12" keyEquivalent="f" id="YEy-JH-Tfz">
+                                            <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="WD3-Gg-5AJ"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Find Next" tag="2" keyEquivalent="g" id="q09-fT-Sye">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="NDo-RZ-v9R"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Find Previous" tag="3" keyEquivalent="G" id="OwM-mh-QMV">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="HOh-sY-3ay"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Use Selection for Find" tag="7" keyEquivalent="e" id="buJ-ug-pKt">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="U76-nv-p5D"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Jump to Selection" keyEquivalent="j" id="S0p-oC-mLd">
+                                            <connections>
+                                                <action selector="centerSelectionInVisibleArea:" target="-1" id="IOG-6D-g5B"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Spelling and Grammar" id="Dv1-io-Yv7">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Spelling" id="3IN-sU-3Bg">
+                                    <items>
+                                        <menuItem title="Show Spelling and Grammar" keyEquivalent=":" id="HFo-cy-zxI">
+                                            <connections>
+                                                <action selector="showGuessPanel:" target="-1" id="vFj-Ks-hy3"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Check Document Now" keyEquivalent=";" id="hz2-CU-CR7">
+                                            <connections>
+                                                <action selector="checkSpelling:" target="-1" id="fz7-VC-reM"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="bNw-od-mp5"/>
+                                        <menuItem title="Check Spelling While Typing" id="rbD-Rh-wIN">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleContinuousSpellChecking:" target="-1" id="7w6-Qz-0kB"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Check Grammar With Spelling" id="mK6-2p-4JG">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleGrammarChecking:" target="-1" id="muD-Qn-j4w"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Correct Spelling Automatically" id="78Y-hA-62v">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticSpellingCorrection:" target="-1" id="2lM-Qi-WAP"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Substitutions" id="9ic-FL-obx">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Substitutions" id="FeM-D8-WVr">
+                                    <items>
+                                        <menuItem title="Show Substitutions" id="z6F-FW-3nz">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="orderFrontSubstitutionsPanel:" target="-1" id="oku-mr-iSq"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="gPx-C9-uUO"/>
+                                        <menuItem title="Smart Copy/Paste" id="9yt-4B-nSM">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleSmartInsertDelete:" target="-1" id="3IJ-Se-DZD"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smart Quotes" id="hQb-2v-fYv">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticQuoteSubstitution:" target="-1" id="ptq-xd-QOA"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smart Dashes" id="rgM-f4-ycn">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticDashSubstitution:" target="-1" id="oCt-pO-9gS"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smart Links" id="cwL-P1-jid">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticLinkDetection:" target="-1" id="Gip-E3-Fov"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Data Detectors" id="tRr-pd-1PS">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticDataDetection:" target="-1" id="R1I-Nq-Kbl"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Text Replacement" id="HFQ-gK-NFA">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticTextReplacement:" target="-1" id="DvP-Fe-Py6"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Transformations" id="2oI-Rn-ZJC">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Transformations" id="c8a-y6-VQd">
+                                    <items>
+                                        <menuItem title="Make Upper Case" id="vmV-6d-7jI">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="uppercaseWord:" target="-1" id="sPh-Tk-edu"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Make Lower Case" id="d9M-CD-aMd">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="lowercaseWord:" target="-1" id="iUZ-b5-hil"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Capitalize" id="UEZ-Bs-lqG">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="capitalizeWord:" target="-1" id="26H-TL-nsh"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Speech" id="xrE-MZ-jX0">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Speech" id="3rS-ZA-NoH">
+                                    <items>
+                                        <menuItem title="Start Speaking" id="Ynk-f8-cLZ">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="startSpeaking:" target="-1" id="654-Ng-kyl"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Stop Speaking" id="Oyz-dy-DGm">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="stopSpeaking:" target="-1" id="dX8-6p-jy9"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="View" id="H8h-7b-M4v">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="View" id="HyV-fh-RgO">
+                        <items>
+                            <menuItem title="Enter Full Screen" keyEquivalent="f" id="4J7-dP-txa">
+                                <modifierMask key="keyEquivalentModifierMask" control="YES" command="YES"/>
+                                <connections>
+                                    <action selector="toggleFullScreen:" target="-1" id="dU3-MA-1Rq"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Window" id="aUF-d1-5bR">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Window" systemMenu="window" id="Td7-aD-5lo">
+                        <items>
+                            <menuItem title="Minimize" keyEquivalent="m" id="OY7-WF-poV">
+                                <connections>
+                                    <action selector="performMiniaturize:" target="-1" id="VwT-WD-YPe"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Zoom" id="R4o-n2-Eq4">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="performZoom:" target="-1" id="DIl-cC-cCs"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="eu3-7i-yIM"/>
+                            <menuItem title="Bring All to Front" id="LE2-aR-0XJ">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="arrangeInFront:" target="-1" id="DRN-fu-gQh"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Help" id="EPT-qC-fAb">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Help" systemMenu="help" id="rJ0-wn-3NY"/>
+                </menuItem>
+            </items>
+            <point key="canvasLocation" x="142" y="-258"/>
+        </menu>
+        <window title="APP_NAME" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" releasedWhenClosed="NO" animationBehavior="default" id="QvC-M9-y7g" customClass="MainFlutterWindow" customModule="Runner" customModuleProvider="target">
+            <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES"/>
+            <rect key="contentRect" x="335" y="390" width="800" height="600"/>
+            <rect key="screenRect" x="0.0" y="0.0" width="2560" height="1577"/>
+            <view key="contentView" wantsLayer="YES" id="EiT-Mj-1SZ">
+                <rect key="frame" x="0.0" y="0.0" width="800" height="600"/>
+                <autoresizingMask key="autoresizingMask"/>
+            </view>
+        </window>
+    </objects>
+</document>
diff --git a/packages/material_ui/a11y_assessments/macos/Runner/Configs/AppInfo.xcconfig b/packages/material_ui/a11y_assessments/macos/Runner/Configs/AppInfo.xcconfig
new file mode 100644
index 000000000000..d209bdba247d
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/Runner/Configs/AppInfo.xcconfig
@@ -0,0 +1,14 @@
+// Application-level settings for the Runner target.
+//
+// This may be replaced with something auto-generated from metadata (e.g., pubspec.yaml) in the
+// future. If not, the values below would default to using the project name when this becomes a
+// 'flutter create' template.
+
+// The application's name. By default this is also the title of the Flutter window.
+PRODUCT_NAME = a11y_assessments
+
+// The application's bundle identifier
+PRODUCT_BUNDLE_IDENTIFIER = com.example.a11yAssessments
+
+// The copyright displayed in application information
+PRODUCT_COPYRIGHT = Copyright © 2023 com.example. All rights reserved.
diff --git a/packages/material_ui/a11y_assessments/macos/Runner/Configs/Debug.xcconfig b/packages/material_ui/a11y_assessments/macos/Runner/Configs/Debug.xcconfig
new file mode 100644
index 000000000000..36b0fd9464f4
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/Runner/Configs/Debug.xcconfig
@@ -0,0 +1,2 @@
+#include "../../Flutter/Flutter-Debug.xcconfig"
+#include "Warnings.xcconfig"
diff --git a/packages/material_ui/a11y_assessments/macos/Runner/Configs/Release.xcconfig b/packages/material_ui/a11y_assessments/macos/Runner/Configs/Release.xcconfig
new file mode 100644
index 000000000000..dff4f49561c8
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/Runner/Configs/Release.xcconfig
@@ -0,0 +1,2 @@
+#include "../../Flutter/Flutter-Release.xcconfig"
+#include "Warnings.xcconfig"
diff --git a/packages/material_ui/a11y_assessments/macos/Runner/Configs/Warnings.xcconfig b/packages/material_ui/a11y_assessments/macos/Runner/Configs/Warnings.xcconfig
new file mode 100644
index 000000000000..42bcbf4780b1
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/Runner/Configs/Warnings.xcconfig
@@ -0,0 +1,13 @@
+WARNING_CFLAGS = -Wall -Wconditional-uninitialized -Wnullable-to-nonnull-conversion -Wmissing-method-return-type -Woverlength-strings
+GCC_WARN_UNDECLARED_SELECTOR = YES
+CLANG_UNDEFINED_BEHAVIOR_SANITIZER_NULLABILITY = YES
+CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE
+CLANG_WARN__DUPLICATE_METHOD_MATCH = YES
+CLANG_WARN_PRAGMA_PACK = YES
+CLANG_WARN_STRICT_PROTOTYPES = YES
+CLANG_WARN_COMMA = YES
+GCC_WARN_STRICT_SELECTOR_MATCH = YES
+CLANG_WARN_OBJC_REPEATED_USE_OF_WEAK = YES
+CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES
+GCC_WARN_SHADOW = YES
+CLANG_WARN_UNREACHABLE_CODE = YES
diff --git a/packages/material_ui/a11y_assessments/macos/Runner/DebugProfile.entitlements b/packages/material_ui/a11y_assessments/macos/Runner/DebugProfile.entitlements
new file mode 100644
index 000000000000..dddb8a30c851
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/Runner/DebugProfile.entitlements
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+	<key>com.apple.security.cs.allow-jit</key>
+	<true/>
+	<key>com.apple.security.network.server</key>
+	<true/>
+</dict>
+</plist>
diff --git a/packages/material_ui/a11y_assessments/macos/Runner/Info.plist b/packages/material_ui/a11y_assessments/macos/Runner/Info.plist
new file mode 100644
index 000000000000..4789daa6a443
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/Runner/Info.plist
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIconFile</key>
+	<string></string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(FLUTTER_BUILD_NAME)</string>
+	<key>CFBundleVersion</key>
+	<string>$(FLUTTER_BUILD_NUMBER)</string>
+	<key>LSMinimumSystemVersion</key>
+	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
+	<key>NSHumanReadableCopyright</key>
+	<string>$(PRODUCT_COPYRIGHT)</string>
+	<key>NSMainNibFile</key>
+	<string>MainMenu</string>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+</dict>
+</plist>
diff --git a/packages/material_ui/a11y_assessments/macos/Runner/MainFlutterWindow.swift b/packages/material_ui/a11y_assessments/macos/Runner/MainFlutterWindow.swift
new file mode 100644
index 000000000000..a6a6b9af8307
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/Runner/MainFlutterWindow.swift
@@ -0,0 +1,19 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import Cocoa
+import FlutterMacOS
+
+class MainFlutterWindow: NSWindow {
+  override func awakeFromNib() {
+    let flutterViewController = FlutterViewController()
+    let windowFrame = self.frame
+    self.contentViewController = flutterViewController
+    self.setFrame(windowFrame, display: true)
+
+    RegisterGeneratedPlugins(registry: flutterViewController)
+
+    super.awakeFromNib()
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/macos/Runner/Release.entitlements b/packages/material_ui/a11y_assessments/macos/Runner/Release.entitlements
new file mode 100644
index 000000000000..852fa1a4728a
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/Runner/Release.entitlements
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+</dict>
+</plist>
diff --git a/packages/material_ui/a11y_assessments/macos/RunnerTests/RunnerTests.swift b/packages/material_ui/a11y_assessments/macos/RunnerTests/RunnerTests.swift
new file mode 100644
index 000000000000..eeb5f2948366
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/macos/RunnerTests/RunnerTests.swift
@@ -0,0 +1,16 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import Cocoa
+import FlutterMacOS
+import XCTest
+
+class RunnerTests: XCTestCase {
+
+  func testExample() {
+    // If you add code to the Runner application, consider adding tests here.
+    // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
+  }
+
+}
diff --git a/packages/material_ui/a11y_assessments/pubspec.yaml b/packages/material_ui/a11y_assessments/pubspec.yaml
new file mode 100644
index 000000000000..70bc8c91b288
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/pubspec.yaml
@@ -0,0 +1,24 @@
+name: a11y_assessments
+description: A new Flutter project
+version: 5.0.0+5
+publish_to: none
+environment:
+  sdk: ^3.12.0
+
+dependencies:
+  flutter:
+    sdk: flutter
+
+  material_color_utilities: any
+  material_ui:
+    path: ../
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+
+
+flutter:
+  uses-material-design: true
+
+# PUBSPEC CHECKSUM: aopqns
diff --git a/packages/material_ui/a11y_assessments/test/about_list_tile_test.dart b/packages/material_ui/a11y_assessments/test/about_list_tile_test.dart
new file mode 100644
index 000000000000..2cd6b4435538
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/about_list_tile_test.dart
@@ -0,0 +1,27 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/about_list_tile.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('about list tile can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, AboutListTileUseCase());
+    expect(find.byType(AboutListTile), findsOneWidget);
+  });
+
+  testWidgets('about list tile can open dialog', (WidgetTester tester) async {
+    await pumpsUseCase(tester, AboutListTileUseCase());
+
+    final Finder findTile = find.byType(AboutListTile);
+    expect(findTile, findsOneWidget);
+    await tester.tap(findTile);
+    await tester.pumpAndSettle();
+
+    expect(find.byType(AboutDialog), findsOneWidget);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/accessibility_guideline_test.dart b/packages/material_ui/a11y_assessments/test/accessibility_guideline_test.dart
new file mode 100644
index 000000000000..f082d3717e5f
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/accessibility_guideline_test.dart
@@ -0,0 +1,105 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/main.dart';
+import 'package:a11y_assessments/use_cases/date_picker.dart';
+import 'package:a11y_assessments/use_cases/menu_anchor.dart';
+import 'package:a11y_assessments/use_cases/menu_bar.dart';
+import 'package:a11y_assessments/use_cases/search_bar.dart';
+import 'package:a11y_assessments/use_cases/use_cases.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/semantics.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  group('Home Page accessibility guidelines', () {
+    testWidgets('with filter closed', (WidgetTester tester) async {
+      await tester.pumpWidget(const App(initialTags: <Tag>{}));
+      await tester.pumpAndSettle();
+
+      await _expectMeetsGuidelines(tester);
+    });
+
+    testWidgets('with filter open', (WidgetTester tester) async {
+      await tester.pumpWidget(const App(initialTags: <Tag>{}));
+      await tester.pumpAndSettle();
+
+      // Open the filter menu.
+      await tester.tap(find.byTooltip('Filter by tags'));
+      await tester.pumpAndSettle();
+
+      await _expectMeetsGuidelines(tester);
+    });
+  });
+
+  for (final UseCase useCase in useCases) {
+    // TODO(chunhtai): remove this when https://github.com/flutter/flutter/issues/190884 and
+    // https://github.com/flutter/flutter/issues/190864 are fixed.
+    if (useCase is SearchBarUseCase || useCase is MenuAnchorUseCase || useCase is MenuBarUseCase) {
+      continue;
+    }
+    for (final Brightness brightness in Brightness.values) {
+      testWidgets('testing accessibility guideline for ${useCase.name} - ${brightness.name}', (
+        WidgetTester tester,
+      ) async {
+        tester.platformDispatcher.platformBrightnessTestValue = brightness;
+        addTearDown(tester.platformDispatcher.clearAllTestValues);
+        await tester.pumpWidget(const App(initialTags: <Tag>{}));
+
+        final ScrollController controller = tester
+            .state<HomePageState>(find.byType(HomePage))
+            .scrollController;
+        while (find.byKey(Key(useCase.name)).evaluate().isEmpty) {
+          controller.jumpTo(controller.offset + 400);
+          await tester.pumpAndSettle();
+        }
+
+        // The button may still be off-screen if it is in cache extent.
+        await tester.ensureVisible(find.byKey(Key(useCase.name)));
+        await tester.pumpAndSettle();
+        await tester.tap(find.byKey(Key(useCase.name)));
+        await tester.pumpAndSettle();
+
+        final skipTap = useCase.name == DatePickerUseCase().name;
+        await _expectMeetsGuidelines(tester, skipTapTarget: skipTap);
+
+        // After checking the guideline for the main page,
+        // iterate through all tappable semantic nodes on the current screen.
+        // Tap each one (excluding the back button) to navigate deeper into the app
+        // and re-run the accessibility checks. This assumes that tapping a target
+        // does not remove other tappable targets from the screen, which is true
+        // for the a11y assessment app's current structure.
+        final SemanticsFinder tappables = find.semantics.byAction(SemanticsAction.tap);
+        final int tappableCount = tappables.evaluate().length;
+
+        for (var i = 0; i < tappableCount; i++) {
+          final FinderBase<SemanticsNode> tappable = tappables.at(i);
+          final SemanticsNode node = tappable.evaluate().first;
+
+          // We do not want to tap the back button or close button, as that will pop the page
+          // and disrupt the current test flow.
+          if (node.tooltip == 'Back' || node.label == 'Close') {
+            continue;
+          }
+          tester.semantics.tap(tappable);
+          await tester.pumpAndSettle();
+
+          // Re-check the accessibility guidelines after the tap action.
+          // The DatePicker use case has known issues with tap target sizes
+          // So we skip these checks for this use case .
+          await _expectMeetsGuidelines(tester, skipTapTarget: skipTap);
+        }
+      });
+    }
+  }
+}
+
+Future<void> _expectMeetsGuidelines(WidgetTester tester, {bool skipTapTarget = false}) async {
+  await expectLater(tester, meetsGuideline(textContrastGuideline));
+  if (!skipTapTarget) {
+    await expectLater(tester, meetsGuideline(androidTapTargetGuideline));
+    await expectLater(tester, meetsGuideline(iOSTapTargetGuideline));
+    await expectLater(tester, meetsGuideline(labeledTapTargetGuideline));
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/test/action_chip_test.dart b/packages/material_ui/a11y_assessments/test/action_chip_test.dart
new file mode 100644
index 000000000000..b98f6e82065e
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/action_chip_test.dart
@@ -0,0 +1,23 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/action_chip.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('action chip can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, ActionChipUseCase());
+    expect(find.byType(ActionChip), findsExactly(2));
+  });
+
+  testWidgets('action chip has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, ActionChipUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel(RegExp('ActionChip Demo'));
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/app_bar_test.dart b/packages/material_ui/a11y_assessments/test/app_bar_test.dart
new file mode 100644
index 000000000000..5e69b2119800
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/app_bar_test.dart
@@ -0,0 +1,15 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/app_bar.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('app bar can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, AppBarUseCase());
+    expect(find.text('AppBar'), findsOneWidget);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/auto_complete_test.dart b/packages/material_ui/a11y_assessments/test/auto_complete_test.dart
new file mode 100644
index 000000000000..4804db38a6db
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/auto_complete_test.dart
@@ -0,0 +1,46 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/auto_complete.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/semantics.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('text field label is visible', (WidgetTester tester) async {
+    await pumpsUseCase(tester, AutoCompleteUseCase());
+    expect(find.text('Fruit'), findsOneWidget);
+  });
+
+  testWidgets('auto complete can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, AutoCompleteUseCase());
+    await tester.enterText(find.byType(TextFormField), 'a');
+    await tester.pumpAndSettle();
+
+    expect(find.text('apple'), findsOneWidget);
+  });
+
+  testWidgets('auto complete has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, AutoCompleteUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel(RegExp('AutoComplete Demo'));
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+
+  testWidgets('The text is used as semantics label for the text field', (
+    WidgetTester tester,
+  ) async {
+    await pumpsUseCase(tester, AutoCompleteUseCase());
+    await tester.pumpAndSettle();
+
+    const kOptions = <String>['apple', 'banana', 'lemon'];
+    const label = 'Fruit';
+    final message = 'Type below to autocomplete the following possible results: $kOptions.\n$label';
+
+    final SemanticsNode node = tester.semantics.find(find.bySemanticsLabel(message));
+    expect(node.flagsCollection.isTextField, isTrue);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/back_button_test.dart b/packages/material_ui/a11y_assessments/test/back_button_test.dart
new file mode 100644
index 000000000000..94e25b64a90e
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/back_button_test.dart
@@ -0,0 +1,16 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/back_button.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('back button can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, BackButtonUseCase());
+    expect(find.byType(BackButton), findsOneWidget);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/badge_test.dart b/packages/material_ui/a11y_assessments/test/badge_test.dart
new file mode 100644
index 000000000000..f762c0980832
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/badge_test.dart
@@ -0,0 +1,23 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/badge.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('badge can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, BadgeUseCase());
+    expect(find.semantics.byLabel('5 new messages'), findsOne);
+    expect(find.semantics.byLabel('Messages'), findsOne);
+  });
+
+  testWidgets('badge has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, BadgeUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel(RegExp('Badge Demo'));
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/bottom_app_bar_test.dart b/packages/material_ui/a11y_assessments/test/bottom_app_bar_test.dart
new file mode 100644
index 000000000000..8817ca31f5cf
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/bottom_app_bar_test.dart
@@ -0,0 +1,23 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/bottom_app_bar.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('bottom app bar test', (WidgetTester tester) async {
+    await pumpsUseCase(tester, BottomAppBarUseCase());
+    expect(find.byType(BottomAppBar), findsOneWidget);
+    expect(find.text('Selected: None'), findsOneWidget);
+
+    await tester.tap(find.byTooltip('Open menu'));
+    await tester.pumpAndSettle();
+
+    expect(find.text('Selected: Menu'), findsOneWidget);
+    expect(find.byType(SnackBar), findsOneWidget);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/card_test.dart b/packages/material_ui/a11y_assessments/test/card_test.dart
new file mode 100644
index 000000000000..285c0fdbf109
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/card_test.dart
@@ -0,0 +1,23 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/card.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('card can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, CardUseCase());
+    expect(find.byType(Card), findsExactly(1));
+  });
+
+  testWidgets('card has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, CardUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel(RegExp('Card Demo'));
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/check_box_list_tile_test.dart b/packages/material_ui/a11y_assessments/test/check_box_list_tile_test.dart
new file mode 100644
index 000000000000..b29bbf57a082
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/check_box_list_tile_test.dart
@@ -0,0 +1,23 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/check_box_list_tile.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('check box list tile use-case renders check boxes', (WidgetTester tester) async {
+    await pumpsUseCase(tester, CheckBoxListTile());
+    expect(find.text('a check box list title'), findsOneWidget);
+    expect(find.text('a disabled check box list title'), findsOneWidget);
+  });
+
+  testWidgets('check box list has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, CheckBoxListTile());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel(RegExp('CheckBoxListTile Demo'));
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/check_box_test.dart b/packages/material_ui/a11y_assessments/test/check_box_test.dart
new file mode 100644
index 000000000000..9ebe833de7fe
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/check_box_test.dart
@@ -0,0 +1,27 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/check_box.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('check box use case renders check boxes and toggles state', (
+    WidgetTester tester,
+  ) async {
+    await pumpsUseCase(tester, CheckBoxUseCase());
+    expect(find.byType(Checkbox), findsNWidgets(2));
+
+    Checkbox checkbox = tester.widget(find.byType(Checkbox).first);
+    expect(checkbox.value, isFalse);
+
+    await tester.tap(find.byType(Checkbox).first);
+    await tester.pumpAndSettle();
+
+    checkbox = tester.widget(find.byType(Checkbox).first);
+    expect(checkbox.value, isTrue);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/close_button_test.dart b/packages/material_ui/a11y_assessments/test/close_button_test.dart
new file mode 100644
index 000000000000..4c50623cf4b1
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/close_button_test.dart
@@ -0,0 +1,16 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/close_button.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('close button can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, CloseButtonUseCase());
+    expect(find.byType(CloseButton), findsOneWidget);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/date_picker_test.dart b/packages/material_ui/a11y_assessments/test/date_picker_test.dart
new file mode 100644
index 000000000000..ca366ac291d6
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/date_picker_test.dart
@@ -0,0 +1,27 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/date_picker.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('date picker can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, DatePickerUseCase());
+    expect(find.text('Show Date Picker'), findsOneWidget);
+
+    await tester.tap(find.text('Show Date Picker'));
+    await tester.pumpAndSettle();
+    expect(find.byType(DatePickerDialog), findsOneWidget);
+  });
+
+  testWidgets('datepicker has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, DatePickerUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('DatePicker Demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/dialog_test.dart b/packages/material_ui/a11y_assessments/test/dialog_test.dart
new file mode 100644
index 000000000000..38ea79b5abd1
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/dialog_test.dart
@@ -0,0 +1,52 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/dialog.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('dialog can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, DialogUseCase());
+    expect(find.text('Show Dialog'), findsOneWidget);
+
+    Future<void> invokeDialog() async {
+      await tester.tap(find.text('Show Dialog'));
+      await tester.pumpAndSettle();
+      expect(find.text('This is a typical dialog.'), findsOneWidget);
+    }
+
+    await invokeDialog();
+    await tester.tap(find.text('OK'));
+    await tester.pumpAndSettle();
+    expect(find.text('This is a typical dialog.'), findsNothing);
+
+    await invokeDialog();
+    await tester.tap(find.text('Cancel'));
+    await tester.pumpAndSettle();
+    expect(find.text('This is a typical dialog.'), findsNothing);
+  });
+
+  testWidgets('ok button has autofocus when dialog opens', (WidgetTester tester) async {
+    await pumpsUseCase(tester, DialogUseCase());
+
+    Future<void> invokeDialog() async {
+      await tester.tap(find.text('Show Dialog'));
+      await tester.pumpAndSettle();
+    }
+
+    await invokeDialog();
+    final Finder okButton = find.byKey(const Key('OK Button'));
+    expect((okButton.evaluate().single.widget as TextButton).autofocus, true);
+  });
+
+  testWidgets('dialog has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, DialogUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('Dialog Demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/drawer_test.dart b/packages/material_ui/a11y_assessments/test/drawer_test.dart
new file mode 100644
index 000000000000..8023cb7f130d
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/drawer_test.dart
@@ -0,0 +1,30 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/drawer.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('drawer can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, DrawerUseCase());
+
+    final ScaffoldState state = tester.firstState(find.byType(Scaffold));
+    state.openEndDrawer();
+
+    await tester.pump();
+    await tester.pump(const Duration(seconds: 1));
+
+    expect(find.byType(Drawer), findsExactly(1));
+  });
+
+  testWidgets('drawer has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, DrawerUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('drawer Demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/dropdown_menu_test.dart b/packages/material_ui/a11y_assessments/test/dropdown_menu_test.dart
new file mode 100644
index 000000000000..716e7b22f696
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/dropdown_menu_test.dart
@@ -0,0 +1,43 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/dropdown_menu.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('dropdown menu can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, DropdownMenuUseCase());
+    expect(find.byType(DropdownMenu<String>), findsExactly(2));
+
+    // Test the enabled dropdown menu
+    {
+      final Finder finder = find.byKey(const Key('enabled dropdown menu'));
+      await tester.tap(
+        find.descendant(of: finder, matching: find.byIcon(Icons.arrow_drop_down)).first,
+      );
+      await tester.pumpAndSettle();
+
+      expect(find.widgetWithText(MenuItemButton, 'banana'), findsWidgets);
+      await tester.tap(find.widgetWithText(MenuItemButton, 'banana').last, warnIfMissed: false);
+      await tester.pumpAndSettle();
+    }
+
+    // Test the disabled dropdown menu
+    {
+      final Finder finder = find.byKey(const Key('disabled dropdown menu'));
+      final DropdownMenu<String> dropdownMenu = tester.widget<DropdownMenu<String>>(finder);
+      expect(dropdownMenu.enabled, isFalse);
+    }
+  });
+
+  testWidgets('dropdown menu demo page has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, DropdownMenuUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('DropdownMenu Demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/elevated_button_test.dart b/packages/material_ui/a11y_assessments/test/elevated_button_test.dart
new file mode 100644
index 000000000000..834553880228
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/elevated_button_test.dart
@@ -0,0 +1,16 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/elevated_button.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('elevated button can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, ElevatedButtonUseCase());
+    expect(find.byType(ElevatedButton), findsNWidgets(2));
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/expansion_tile_test.dart b/packages/material_ui/a11y_assessments/test/expansion_tile_test.dart
new file mode 100644
index 000000000000..3503680206c6
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/expansion_tile_test.dart
@@ -0,0 +1,23 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/expansion_tile.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('expansion tile can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, ExpansionTileUseCase());
+    expect(find.byType(ExpansionTile), findsExactly(3));
+  });
+
+  testWidgets('expansion tile has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, ExpansionTileUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('ExpansionTile Demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/filled_button_test.dart b/packages/material_ui/a11y_assessments/test/filled_button_test.dart
new file mode 100644
index 000000000000..0fc1ff689fcf
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/filled_button_test.dart
@@ -0,0 +1,16 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/filled_button.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('filled button can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, FilledButtonUseCase());
+    expect(find.byType(FilledButton), findsNWidgets(2));
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/floating_action_button_test.dart b/packages/material_ui/a11y_assessments/test/floating_action_button_test.dart
new file mode 100644
index 000000000000..b7474d8b70b5
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/floating_action_button_test.dart
@@ -0,0 +1,49 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/floating_action_button.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('floating action button has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, FloatingActionButtonUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel(RegExp('FloatingActionButton Demo'));
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+
+  testWidgets('floating action button can increment tap count', (WidgetTester tester) async {
+    final SemanticsHandle handle = tester.ensureSemantics();
+    await pumpsUseCase(tester, FloatingActionButtonUseCase());
+
+    expect(find.text('Tap count: 0'), findsOneWidget);
+    expect(
+      tester.getSemantics(find.text('Tap count: 0')),
+      matchesSemantics(label: 'Tap count: 0', isLiveRegion: true),
+    );
+
+    await tester.tap(find.byType(FloatingActionButton));
+    await tester.pump();
+
+    expect(find.text('Tap count: 1'), findsOneWidget);
+    expect(
+      tester.getSemantics(find.text('Tap count: 1')),
+      matchesSemantics(label: 'Tap count: 1', isLiveRegion: true),
+    );
+
+    await tester.tap(find.byType(FloatingActionButton));
+    await tester.pump();
+
+    expect(find.text('Tap count: 2'), findsOneWidget);
+    expect(
+      tester.getSemantics(find.text('Tap count: 2')),
+      matchesSemantics(label: 'Tap count: 2', isLiveRegion: true),
+    );
+
+    handle.dispose();
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/home_page_test.dart b/packages/material_ui/a11y_assessments/test/home_page_test.dart
new file mode 100644
index 000000000000..eee9672628eb
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/home_page_test.dart
@@ -0,0 +1,429 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/main.dart';
+import 'package:a11y_assessments/use_cases/action_chip.dart';
+import 'package:a11y_assessments/use_cases/auto_complete.dart';
+import 'package:a11y_assessments/use_cases/badge.dart';
+import 'package:a11y_assessments/use_cases/card.dart';
+import 'package:a11y_assessments/use_cases/check_box_list_tile.dart';
+import 'package:a11y_assessments/use_cases/date_picker.dart';
+import 'package:a11y_assessments/use_cases/dialog.dart';
+import 'package:a11y_assessments/use_cases/drawer.dart';
+import 'package:a11y_assessments/use_cases/expansion_tile.dart';
+import 'package:a11y_assessments/use_cases/material_banner.dart';
+import 'package:a11y_assessments/use_cases/navigation_bar.dart';
+import 'package:a11y_assessments/use_cases/navigation_drawer.dart';
+import 'package:a11y_assessments/use_cases/navigation_rail.dart';
+import 'package:a11y_assessments/use_cases/radio_list_tile.dart';
+import 'package:a11y_assessments/use_cases/slider.dart';
+import 'package:a11y_assessments/use_cases/snack_bar.dart';
+import 'package:a11y_assessments/use_cases/switch_list_tile.dart';
+import 'package:a11y_assessments/use_cases/text_button.dart';
+import 'package:a11y_assessments/use_cases/text_field.dart';
+import 'package:a11y_assessments/use_cases/text_field_password.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:material_color_utilities/material_color_utilities.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('Has light and dark theme', (WidgetTester tester) async {
+    await tester.pumpWidget(const App());
+    final app = find.byType(MaterialApp).evaluate().first.widget as MaterialApp;
+    expect(app.theme!.brightness, equals(Brightness.light));
+    expect(app.darkTheme!.brightness, equals(Brightness.dark));
+  });
+
+  testWidgets('App can generate high-contrast color scheme', (WidgetTester tester) async {
+    await tester.pumpWidget(
+      const MediaQuery(data: MediaQueryData(highContrast: true), child: App()),
+    );
+
+    final app = find.byType(MaterialApp).evaluate().first.widget as MaterialApp;
+
+    final DynamicScheme highContrastScheme = SchemeTonalSpot(
+      sourceColorHct: Hct.fromInt(const Color(0xff6750a4).value),
+      isDark: false,
+      contrastLevel: 1.0,
+    );
+    final ColorScheme appScheme = app.highContrastTheme!.colorScheme;
+
+    expect(appScheme.primary.value, MaterialDynamicColors.primary.getArgb(highContrastScheme));
+    expect(appScheme.onPrimary.value, MaterialDynamicColors.onPrimary.getArgb(highContrastScheme));
+    expect(
+      appScheme.primaryContainer.value,
+      MaterialDynamicColors.primaryContainer.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.onPrimaryContainer.value,
+      MaterialDynamicColors.onPrimaryContainer.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.primaryFixed.value,
+      MaterialDynamicColors.primaryFixed.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.primaryFixedDim.value,
+      MaterialDynamicColors.primaryFixedDim.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.onPrimaryFixed.value,
+      MaterialDynamicColors.onPrimaryFixed.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.onPrimaryFixedVariant.value,
+      MaterialDynamicColors.onPrimaryFixedVariant.getArgb(highContrastScheme),
+    );
+    expect(appScheme.secondary.value, MaterialDynamicColors.secondary.getArgb(highContrastScheme));
+    expect(
+      appScheme.onSecondary.value,
+      MaterialDynamicColors.onSecondary.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.secondaryContainer.value,
+      MaterialDynamicColors.secondaryContainer.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.onSecondaryContainer.value,
+      MaterialDynamicColors.onSecondaryContainer.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.secondaryFixed.value,
+      MaterialDynamicColors.secondaryFixed.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.secondaryFixedDim.value,
+      MaterialDynamicColors.secondaryFixedDim.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.onSecondaryFixed.value,
+      MaterialDynamicColors.onSecondaryFixed.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.onSecondaryFixedVariant.value,
+      MaterialDynamicColors.onSecondaryFixedVariant.getArgb(highContrastScheme),
+    );
+    expect(appScheme.tertiary.value, MaterialDynamicColors.tertiary.getArgb(highContrastScheme));
+    expect(
+      appScheme.onTertiary.value,
+      MaterialDynamicColors.onTertiary.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.tertiaryContainer.value,
+      MaterialDynamicColors.tertiaryContainer.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.onTertiaryContainer.value,
+      MaterialDynamicColors.onTertiaryContainer.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.tertiaryFixed.value,
+      MaterialDynamicColors.tertiaryFixed.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.tertiaryFixedDim.value,
+      MaterialDynamicColors.tertiaryFixedDim.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.onTertiaryFixed.value,
+      MaterialDynamicColors.onTertiaryFixed.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.onTertiaryFixedVariant.value,
+      MaterialDynamicColors.onTertiaryFixedVariant.getArgb(highContrastScheme),
+    );
+    expect(appScheme.error.value, MaterialDynamicColors.error.getArgb(highContrastScheme));
+    expect(appScheme.onError.value, MaterialDynamicColors.onError.getArgb(highContrastScheme));
+    expect(
+      appScheme.errorContainer.value,
+      MaterialDynamicColors.errorContainer.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.onErrorContainer.value,
+      MaterialDynamicColors.onErrorContainer.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.background.value,
+      MaterialDynamicColors.background.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.onBackground.value,
+      MaterialDynamicColors.onBackground.getArgb(highContrastScheme),
+    );
+    expect(appScheme.surface.value, MaterialDynamicColors.surface.getArgb(highContrastScheme));
+    expect(
+      appScheme.surfaceDim.value,
+      MaterialDynamicColors.surfaceDim.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.surfaceBright.value,
+      MaterialDynamicColors.surfaceBright.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.surfaceContainerLowest.value,
+      MaterialDynamicColors.surfaceContainerLowest.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.surfaceContainerLow.value,
+      MaterialDynamicColors.surfaceContainerLow.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.surfaceContainer.value,
+      MaterialDynamicColors.surfaceContainer.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.surfaceContainerHigh.value,
+      MaterialDynamicColors.surfaceContainerHigh.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.surfaceContainerHighest.value,
+      MaterialDynamicColors.surfaceContainerHighest.getArgb(highContrastScheme),
+    );
+    expect(appScheme.onSurface.value, MaterialDynamicColors.onSurface.getArgb(highContrastScheme));
+    expect(
+      appScheme.surfaceVariant.value,
+      MaterialDynamicColors.surfaceVariant.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.onSurfaceVariant.value,
+      MaterialDynamicColors.onSurfaceVariant.getArgb(highContrastScheme),
+    );
+    expect(appScheme.outline.value, MaterialDynamicColors.outline.getArgb(highContrastScheme));
+    expect(
+      appScheme.outlineVariant.value,
+      MaterialDynamicColors.outlineVariant.getArgb(highContrastScheme),
+    );
+    expect(appScheme.shadow.value, MaterialDynamicColors.shadow.getArgb(highContrastScheme));
+    expect(appScheme.scrim.value, MaterialDynamicColors.scrim.getArgb(highContrastScheme));
+    expect(
+      appScheme.inverseSurface.value,
+      MaterialDynamicColors.inverseSurface.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.onInverseSurface.value,
+      MaterialDynamicColors.inverseOnSurface.getArgb(highContrastScheme),
+    );
+    expect(
+      appScheme.inversePrimary.value,
+      MaterialDynamicColors.inversePrimary.getArgb(highContrastScheme),
+    );
+  });
+
+  testWidgets('Each A11y Assessments page has a unique page title.', (WidgetTester tester) async {
+    final log = <MethodCall>[];
+
+    tester.binding.defaultBinaryMessenger.setMockMethodCallHandler(SystemChannels.platform, (
+      MethodCall methodCall,
+    ) async {
+      if (methodCall.method == 'SystemChrome.setApplicationSwitcherDescription') {
+        log.add(methodCall);
+      }
+      return null;
+    });
+
+    await tester.pumpWidget(
+      Title(color: const Color(0xFF00FF00), title: 'Accessibility Assessments', child: Container()),
+    );
+    expect(
+      log[0],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{
+          'label': 'Accessibility Assessments',
+          'primaryColor': 4278255360,
+        },
+      ),
+    );
+
+    await pumpsUseCase(tester, AutoCompleteUseCase());
+    expect(
+      log[2],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'AutoComplete', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, ActionChipUseCase());
+    expect(
+      log[3],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'ActionChip', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, BadgeUseCase());
+    expect(
+      log[4],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'Badge', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, CardUseCase());
+    expect(
+      log[5],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'Card', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, CheckBoxListTile());
+    expect(
+      log[6],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'CheckBoxListTile', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, DatePickerUseCase());
+    expect(
+      log[7],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'DatePicker', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, DialogUseCase());
+    expect(
+      log[8],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'Dialog', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, ExpansionTileUseCase());
+    expect(
+      log[9],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'ExpansionTile', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, MaterialBannerUseCase());
+    expect(
+      log[10],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'MaterialBanner', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, NavigationBarUseCase());
+    expect(
+      log[11],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'NavigationBar', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, RadioListTileUseCase());
+    expect(
+      log[12],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'RadioListTile', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, SliderUseCase());
+    expect(
+      log[13],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'Slider', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, SnackBarUseCase());
+    expect(
+      log[14],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'SnackBar', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, SwitchListTileUseCase());
+    expect(
+      log[15],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'SwitchListTile', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, TextButtonUseCase());
+    expect(
+      log[16],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'TextButton', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, TextFieldUseCase());
+    expect(
+      log[17],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'TextField', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, TextFieldPasswordUseCase());
+    expect(
+      log[18],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'TextField password', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, NavigationDrawerUseCase());
+    expect(
+      log[19],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'NavigationDrawer', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, NavigationRailUseCase());
+    expect(
+      log[20],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'NavigationRail', 'primaryColor': 4284960932},
+      ),
+    );
+
+    await pumpsUseCase(tester, DrawerUseCase());
+    expect(
+      log[21],
+      isMethodCall(
+        'SystemChrome.setApplicationSwitcherDescription',
+        arguments: <String, dynamic>{'label': 'drawer', 'primaryColor': 4284960932},
+      ),
+    );
+  });
+
+  testWidgets('a11y assessments home page has one h1 tag', (WidgetTester tester) async {
+    await tester.pumpWidget(const App());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('Accessibility Assessments');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/icon_button_test.dart b/packages/material_ui/a11y_assessments/test/icon_button_test.dart
new file mode 100644
index 000000000000..214bf83c834e
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/icon_button_test.dart
@@ -0,0 +1,16 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/icon_button.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('icon button can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, IconButtonUseCase());
+    expect(find.byType(IconButton), findsNWidgets(2));
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/material_banner_test.dart b/packages/material_ui/a11y_assessments/test/material_banner_test.dart
new file mode 100644
index 000000000000..25ac0bdb4c5b
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/material_banner_test.dart
@@ -0,0 +1,53 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/material_banner.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('material banner can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, MaterialBannerUseCase());
+    expect(find.text('Show a MaterialBanner'), findsOneWidget);
+
+    await tester.tap(find.text('Show a MaterialBanner'));
+    await tester.pumpAndSettle();
+    expect(find.text('Hello, I am a Material Banner'), findsOneWidget);
+
+    await tester.tap(find.text('DISMISS'));
+    await tester.pumpAndSettle();
+    expect(find.text('Hello, I am a Material Banner'), findsNothing);
+  });
+
+  testWidgets('dismiss button focused on banner open', (WidgetTester tester) async {
+    await pumpsUseCase(tester, MaterialBannerUseCase());
+    await tester.tap(find.text('Show a MaterialBanner'));
+    await tester.pumpAndSettle();
+
+    final TextButton dismissButtonFinder = tester.widget<TextButton>(find.byType(TextButton));
+    expect(dismissButtonFinder.focusNode!.hasFocus, isTrue);
+  });
+
+  testWidgets('show button focused on banner close', (WidgetTester tester) async {
+    await pumpsUseCase(tester, MaterialBannerUseCase());
+    await tester.tap(find.text('Show a MaterialBanner'));
+    await tester.pumpAndSettle();
+
+    await tester.tap(find.byType(TextButton));
+
+    final ElevatedButton showButtonFinder = tester.widget<ElevatedButton>(
+      find.byType(ElevatedButton),
+    );
+    expect(showButtonFinder.focusNode!.hasFocus, isTrue);
+  });
+
+  testWidgets('material banner has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, MaterialBannerUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('MaterialBanner Demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/menu_anchor_test.dart b/packages/material_ui/a11y_assessments/test/menu_anchor_test.dart
new file mode 100644
index 000000000000..43593c4aba3c
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/menu_anchor_test.dart
@@ -0,0 +1,53 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/menu_anchor.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('menu anchor can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, MenuAnchorUseCase());
+    expect(find.byType(MenuAnchor), findsExactly(2));
+
+    // Test the enabled menu anchor
+    {
+      final Finder finder = find.byKey(const Key('enabled menu anchor'));
+      final Finder button = find.descendant(of: finder, matching: find.byType(ElevatedButton));
+      await tester.tap(button);
+      await tester.pumpAndSettle();
+
+      expect(find.widgetWithText(MenuItemButton, 'Item 1'), findsWidgets);
+      await tester.tap(find.widgetWithText(MenuItemButton, 'Item 1').last, warnIfMissed: false);
+      await tester.pumpAndSettle();
+      expect(find.text('Last Selection: Item 1'), findsOneWidget);
+      expect(
+        find.ancestor(
+          of: find.text('Last Selection: Item 1'),
+          matching: find.byWidgetPredicate(
+            (Widget w) => w is Semantics && w.properties.liveRegion == true,
+          ),
+        ),
+        findsOneWidget,
+      );
+    }
+
+    // Test the disabled menu anchor
+    {
+      final Finder finder = find.byKey(const Key('disabled menu anchor'));
+      final Finder button = find.descendant(of: finder, matching: find.byType(ElevatedButton));
+      final ElevatedButton elevatedButton = tester.widget<ElevatedButton>(button);
+      expect(elevatedButton.enabled, isFalse);
+    }
+  });
+
+  testWidgets('menu anchor demo page has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, MenuAnchorUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('MenuAnchor Demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/menu_bar_test.dart b/packages/material_ui/a11y_assessments/test/menu_bar_test.dart
new file mode 100644
index 000000000000..f06c2f85c797
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/menu_bar_test.dart
@@ -0,0 +1,76 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/menu_bar.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('menu bar can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, MenuBarUseCase());
+    expect(find.byType(MenuBar), findsExactly(2));
+
+    // Test the enabled menu bar
+    {
+      final Finder finder = find.byKey(const Key('enabled menu bar'));
+      final Finder fileMenu = find.descendant(
+        of: finder,
+        matching: find.widgetWithText(SubmenuButton, 'File'),
+      );
+      await tester.tap(fileMenu);
+      await tester.pumpAndSettle();
+
+      expect(find.widgetWithText(MenuItemButton, 'Save'), findsWidgets);
+      await tester.tap(find.widgetWithText(MenuItemButton, 'Save').last, warnIfMissed: false);
+      await tester.pumpAndSettle();
+      expect(find.text('Last Selection: Save'), findsOneWidget);
+
+      await tester.tap(find.text('Help'));
+      await tester.pumpAndSettle();
+
+      expect(find.text('About'), findsOneWidget);
+      expect(find.text('Online Help'), findsOneWidget);
+
+      await tester.tap(find.text('Online Help'));
+      await tester.pumpAndSettle();
+
+      expect(find.text('Documentation'), findsOneWidget);
+      await tester.tap(find.text('Documentation'), warnIfMissed: false);
+      await tester.pumpAndSettle();
+      expect(find.text('Last Selection: Documentation'), findsOneWidget);
+      expect(
+        find.ancestor(
+          of: find.text('Last Selection: Documentation'),
+          matching: find.byWidgetPredicate(
+            (Widget w) => w is Semantics && w.properties.liveRegion == true,
+          ),
+        ),
+        findsOneWidget,
+      );
+    }
+
+    // Test the disabled menu bar
+    {
+      final Finder finder = find.byKey(const Key('disabled menu bar'));
+      final SubmenuButton disabledSubmenu = tester.widget<SubmenuButton>(
+        find.descendant(of: finder, matching: find.byType(SubmenuButton)),
+      );
+      expect(disabledSubmenu.menuChildren, isEmpty);
+
+      final MenuItemButton disabledItem = tester.widget<MenuItemButton>(
+        find.descendant(of: finder, matching: find.byType(MenuItemButton)),
+      );
+      expect(disabledItem.onPressed, isNull);
+    }
+  });
+
+  testWidgets('menu bar demo page has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, MenuBarUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('MenuBar Demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/navigation_bar_test.dart b/packages/material_ui/a11y_assessments/test/navigation_bar_test.dart
new file mode 100644
index 000000000000..d1502704d655
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/navigation_bar_test.dart
@@ -0,0 +1,30 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/navigation_bar.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('navigation bar can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, NavigationBarUseCase());
+    expect(find.text('Page 1'), findsOneWidget);
+
+    await tester.tap(find.text('Business'));
+    await tester.pumpAndSettle();
+    expect(find.text('Page 2'), findsOneWidget);
+
+    await tester.tap(find.text('School'));
+    await tester.pumpAndSettle();
+    expect(find.text('Page 3'), findsOneWidget);
+  });
+
+  testWidgets('navigation bar has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, NavigationBarUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('NavigationBar Demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/navigation_drawer_test.dart b/packages/material_ui/a11y_assessments/test/navigation_drawer_test.dart
new file mode 100644
index 000000000000..c7b313153722
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/navigation_drawer_test.dart
@@ -0,0 +1,30 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/navigation_drawer.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('navigation drawer can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, NavigationDrawerUseCase());
+
+    final ScaffoldState state = tester.firstState(find.byType(Scaffold));
+    state.openEndDrawer();
+
+    await tester.pump();
+    await tester.pump(const Duration(seconds: 1));
+
+    expect(find.byType(NavigationDrawer), findsExactly(1));
+  });
+
+  testWidgets('navigation drawer has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, NavigationDrawerUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('NavigationDrawer Demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/navigation_rail_test.dart b/packages/material_ui/a11y_assessments/test/navigation_rail_test.dart
new file mode 100644
index 000000000000..519c767f905d
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/navigation_rail_test.dart
@@ -0,0 +1,47 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/navigation_rail.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('navigation rail can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, NavigationRailUseCase());
+
+    expect(find.byType(NavigationRail), findsExactly(1));
+  });
+
+  testWidgets('navigation rail can show/hide leading', (WidgetTester tester) async {
+    await pumpsUseCase(tester, NavigationRailUseCase());
+    final Finder findLeading = find.byTooltip('Add');
+
+    expect(findLeading, findsNothing);
+
+    await tester.tap(find.text('Show Leading'));
+    await tester.pump();
+    expect(findLeading, findsOne);
+
+    await tester.tap(find.text('Hide Leading'));
+    await tester.pump();
+    expect(findLeading, findsNothing);
+  });
+
+  testWidgets('navigation rail can show/hide trailing', (WidgetTester tester) async {
+    await pumpsUseCase(tester, NavigationRailUseCase());
+    final Finder findTrailing = find.byTooltip('More');
+
+    expect(findTrailing, findsNothing);
+
+    await tester.tap(find.text('Show Trailing'));
+    await tester.pump();
+    expect(findTrailing, findsOne);
+
+    await tester.tap(find.text('Hide Trailing'));
+    await tester.pump();
+    expect(findTrailing, findsNothing);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/outlined_button_test.dart b/packages/material_ui/a11y_assessments/test/outlined_button_test.dart
new file mode 100644
index 000000000000..5eeeb8de8e43
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/outlined_button_test.dart
@@ -0,0 +1,16 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/outlined_button.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('outlined button can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, OutlinedButtonUseCase());
+    expect(find.byType(OutlinedButton), findsNWidgets(2));
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/popup_menu_button_test.dart b/packages/material_ui/a11y_assessments/test/popup_menu_button_test.dart
new file mode 100644
index 000000000000..afa07f372236
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/popup_menu_button_test.dart
@@ -0,0 +1,34 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/popup_menu_button.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('popup menu button can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, PopupMenuButtonUseCase());
+    expect(find.byType(PopupMenuButton<String>), findsOneWidget);
+  });
+
+  testWidgets('popup menu button can select item', (WidgetTester tester) async {
+    await pumpsUseCase(tester, PopupMenuButtonUseCase());
+
+    expect(find.text('Selected: None'), findsOneWidget);
+
+    final Finder findButton = find.byType(PopupMenuButton<String>);
+    expect(findButton, findsOneWidget);
+    await tester.tap(findButton);
+    await tester.pumpAndSettle();
+
+    final Finder findItem1 = find.text('Item 1');
+    expect(findItem1, findsOneWidget);
+    await tester.tap(findItem1);
+    await tester.pumpAndSettle();
+
+    expect(find.text('Selected: Item 1'), findsOneWidget);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/radio_list_tile_test.dart b/packages/material_ui/a11y_assessments/test/radio_list_tile_test.dart
new file mode 100644
index 000000000000..c58fe02a86b3
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/radio_list_tile_test.dart
@@ -0,0 +1,23 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/radio_list_tile.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('radio list tile use-case renders radio buttons', (WidgetTester tester) async {
+    await pumpsUseCase(tester, RadioListTileUseCase());
+    expect(find.text('Lafayette'), findsOneWidget);
+    expect(find.text('Jefferson'), findsOneWidget);
+  });
+
+  testWidgets('radio list tile demo page has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, RadioListTileUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('RadioListTile Demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/radio_test.dart b/packages/material_ui/a11y_assessments/test/radio_test.dart
new file mode 100644
index 000000000000..055175da2203
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/radio_test.dart
@@ -0,0 +1,28 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/radio.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('radio use case renders radio group and radio buttons and toggles state', (
+    WidgetTester tester,
+  ) async {
+    await pumpsUseCase(tester, RadioUseCase());
+    expect(find.byType(RadioGroup<Option>), findsOneWidget);
+    expect(find.byType(Radio<Option>), findsNWidgets(3));
+
+    RadioGroup<Option> radioGroup = tester.widget(find.byType(RadioGroup<Option>));
+    expect(radioGroup.groupValue, Option.option1);
+
+    await tester.tap(find.byType(Radio<Option>).at(1));
+    await tester.pumpAndSettle();
+
+    radioGroup = tester.widget(find.byType(RadioGroup<Option>));
+    expect(radioGroup.groupValue, Option.option2);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/range_slider_test.dart b/packages/material_ui/a11y_assessments/test/range_slider_test.dart
new file mode 100644
index 000000000000..45f8a442bef3
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/range_slider_test.dart
@@ -0,0 +1,16 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/range_slider.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('range slider use-case works', (WidgetTester tester) async {
+    await pumpsUseCase(tester, RangeSliderUseCase());
+    expect(find.byType(RangeSlider), findsOneWidget);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/search_bar_test.dart b/packages/material_ui/a11y_assessments/test/search_bar_test.dart
new file mode 100644
index 000000000000..c1a584557163
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/search_bar_test.dart
@@ -0,0 +1,44 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/search_bar.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('search bar can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, SearchBarUseCase());
+    expect(find.byType(SearchBar), findsExactly(2));
+
+    // Test the enabled search bar
+    {
+      final Finder finder = find.byKey(const Key('enabled search bar'));
+      await tester.tap(finder);
+      await tester.pumpAndSettle();
+      await tester.enterText(find.byType(TextField).last, 'app');
+      await tester.pumpAndSettle();
+      expect(find.text('apple'), findsOneWidget);
+
+      await tester.tap(find.text('apple'));
+      await tester.pumpAndSettle();
+      expect(find.text('Searched for "apple"'), findsWidgets);
+    }
+
+    // Test the disabled search bar
+    {
+      final Finder finder = find.byKey(const Key('disabled search bar'));
+      final SearchBar searchBar = tester.widget<SearchBar>(finder);
+      expect(searchBar.enabled, isFalse);
+    }
+  });
+
+  testWidgets('search bar demo page has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, SearchBarUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('SearchBar Demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/segmented_button_test.dart b/packages/material_ui/a11y_assessments/test/segmented_button_test.dart
new file mode 100644
index 000000000000..a79e2b484657
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/segmented_button_test.dart
@@ -0,0 +1,35 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/segmented_button.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('segmented button can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, SegmentedButtonUseCase());
+    expect(find.byType(SegmentedButton<String>), findsOneWidget);
+  });
+
+  testWidgets('segmented button can change selection', (WidgetTester tester) async {
+    await pumpsUseCase(tester, SegmentedButtonUseCase());
+
+    final Finder findSegmentedButton = find.byType(SegmentedButton<String>);
+    expect(findSegmentedButton, findsOneWidget);
+
+    SegmentedButton<String> widget = tester.widget(findSegmentedButton);
+    expect(widget.selected, contains('Day'));
+
+    final Finder findWeekSegment = find.text('Week');
+    expect(findWeekSegment, findsOneWidget);
+
+    await tester.tap(findWeekSegment);
+    await tester.pumpAndSettle();
+
+    widget = tester.widget(findSegmentedButton);
+    expect(widget.selected, contains('Week'));
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/slider_test.dart b/packages/material_ui/a11y_assessments/test/slider_test.dart
new file mode 100644
index 000000000000..068a9dc83ecb
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/slider_test.dart
@@ -0,0 +1,35 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/slider.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('slider can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, SliderUseCase());
+    expect(find.byType(Slider), findsOneWidget);
+
+    await tester.tapAt(tester.getCenter(find.byType(Slider)));
+    await tester.pumpAndSettle();
+
+    final MainWidgetState state = tester.state<MainWidgetState>(find.byType(MainWidget));
+    expect(state.currentSliderValue, 60);
+  });
+
+  testWidgets('slider text label exists', (WidgetTester tester) async {
+    await pumpsUseCase(tester, SliderUseCase());
+    final Finder labelWidget = find.text('My Slider');
+    expect(labelWidget, findsOneWidget);
+  });
+
+  testWidgets('slider demo page has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, SliderUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('Slider demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/snack_bar_test.dart b/packages/material_ui/a11y_assessments/test/snack_bar_test.dart
new file mode 100644
index 000000000000..a636aa597b37
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/snack_bar_test.dart
@@ -0,0 +1,27 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/snack_bar.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('snack bar can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, SnackBarUseCase());
+    const snackBarText = 'Awesome Snackbar!';
+    expect(find.text(snackBarText), findsNothing);
+    await tester.tap(find.text('Show Snackbar'));
+    expect(find.text(snackBarText), findsNothing);
+    await tester.pump();
+    expect(find.text(snackBarText), findsOneWidget);
+  });
+
+  testWidgets('snack bar demo page has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, SnackBarUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('SnackBar Demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/switch_list_tile_test.dart b/packages/material_ui/a11y_assessments/test/switch_list_tile_test.dart
new file mode 100644
index 000000000000..8740b62daced
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/switch_list_tile_test.dart
@@ -0,0 +1,23 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/switch_list_tile.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('switch list can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, SwitchListTileUseCase());
+    expect(find.byType(SwitchListTile), findsExactly(2));
+  });
+
+  testWidgets('switch list demo page has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, SwitchListTileUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('SwitchListTile Demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/switch_test.dart b/packages/material_ui/a11y_assessments/test/switch_test.dart
new file mode 100644
index 000000000000..e055213677ba
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/switch_test.dart
@@ -0,0 +1,27 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/switch.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('switch use case renders switch widgets and toggles state', (
+    WidgetTester tester,
+  ) async {
+    await pumpsUseCase(tester, SwitchUseCase());
+    expect(find.byType(Switch), findsNWidgets(2));
+
+    Switch switchWidget = tester.widget(find.byType(Switch).first);
+    expect(switchWidget.value, isFalse);
+
+    await tester.tap(find.byType(Switch).first);
+    await tester.pumpAndSettle();
+
+    switchWidget = tester.widget(find.byType(Switch).first);
+    expect(switchWidget.value, isTrue);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/tab_bar_view_test.dart b/packages/material_ui/a11y_assessments/test/tab_bar_view_test.dart
new file mode 100644
index 000000000000..ad1f07f4affb
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/tab_bar_view_test.dart
@@ -0,0 +1,16 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/tab_bar_view.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('tab bar view can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, TabBarViewUseCase());
+    expect(find.byType(TabBar), findsOneWidget);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/test_utils.dart b/packages/material_ui/a11y_assessments/test/test_utils.dart
new file mode 100644
index 000000000000..48f094cbf8e5
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/test_utils.dart
@@ -0,0 +1,19 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/use_cases.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+Future<void> pumpsUseCase(WidgetTester tester, UseCase useCase) async {
+  await tester.pumpWidget(
+    MaterialApp(
+      home: Builder(
+        builder: (BuildContext context) {
+          return useCase.buildWithTitle(context);
+        },
+      ),
+    ),
+  );
+}
diff --git a/packages/material_ui/a11y_assessments/test/text_button_test.dart b/packages/material_ui/a11y_assessments/test/text_button_test.dart
new file mode 100644
index 000000000000..f7afde96dfe7
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/text_button_test.dart
@@ -0,0 +1,53 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/text_button.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('text field label is visible', (WidgetTester tester) async {
+    await pumpsUseCase(tester, TextButtonUseCase());
+    expect(find.text('City'), findsOneWidget);
+  });
+
+  testWidgets('text button can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, TextButtonUseCase());
+    expect(find.text('Submit'), findsOneWidget);
+  });
+
+  testWidgets('submit causes snackbar to show', (WidgetTester tester) async {
+    await pumpsUseCase(tester, TextButtonUseCase());
+    final Finder textFormField = find.byType(TextFormField);
+    final Finder submitButton = find.text('Submit');
+
+    // Enter text in field and submit.
+    await tester.enterText(textFormField, 'test text');
+    await tester.tap(submitButton);
+    await tester.pump();
+
+    // Verify that the snackbar is visible.
+    expect(find.text('Form submitted'), findsOneWidget);
+  });
+
+  testWidgets('text button demo page has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, TextButtonUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('TextButton Demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+
+  testWidgets('submit empty field causes error to show', (WidgetTester tester) async {
+    await pumpsUseCase(tester, TextButtonUseCase());
+    final Finder submitButton = find.text('Submit');
+
+    await tester.tap(submitButton);
+    await tester.pumpAndSettle();
+
+    expect(find.text('Please enter some text'), findsOneWidget);
+    expect(find.bySemanticsLabel('Please enter some text in City'), findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/text_field_password_test.dart b/packages/material_ui/a11y_assessments/test/text_field_password_test.dart
new file mode 100644
index 000000000000..8d54b5406107
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/text_field_password_test.dart
@@ -0,0 +1,59 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/text_field_password.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('text field password can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, TextFieldPasswordUseCase());
+    expect(find.byType(TextField), findsExactly(2));
+
+    // Test the enabled password
+    {
+      final Finder finder = find.byKey(const Key('enabled password'));
+      await tester.tap(finder);
+      await tester.pumpAndSettle();
+      await tester.enterText(finder, 'abc');
+      await tester.pumpAndSettle();
+      expect(find.text('abc'), findsOneWidget);
+    }
+
+    // Test the disabled password
+    {
+      final Finder finder = find.byKey(const Key('disabled password'));
+      final TextField passwordField = tester.widget<TextField>(finder);
+      expect(passwordField.enabled, isFalse);
+    }
+  });
+
+  testWidgets('text field passwords do not have hint text', (WidgetTester tester) async {
+    await pumpsUseCase(tester, TextFieldPasswordUseCase());
+    expect(find.byType(TextField), findsExactly(2));
+
+    // Test the enabled password
+    {
+      final Finder finder = find.byKey(const Key('enabled password'));
+      final TextField textField = tester.widget<TextField>(finder);
+      expect(textField.decoration?.hintText, isNull);
+    }
+
+    // Test the disabled password
+    {
+      final Finder finder = find.byKey(const Key('disabled password'));
+      final TextField textField = tester.widget<TextField>(finder);
+      expect(textField.decoration?.hintText, isNull);
+    }
+  });
+
+  testWidgets('text field password demo page has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, TextFieldPasswordUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('TextField password Demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/text_field_test.dart b/packages/material_ui/a11y_assessments/test/text_field_test.dart
new file mode 100644
index 000000000000..0cae9f726c46
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/text_field_test.dart
@@ -0,0 +1,74 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/text_field.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('text field can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, TextFieldUseCase());
+    expect(find.byType(TextField), findsExactly(2));
+
+    // Test the enabled text field
+    {
+      final Finder finder = find.byKey(const Key('enabled text field'));
+      await tester.tap(finder);
+      await tester.pumpAndSettle();
+      await tester.enterText(finder, 'abc');
+      await tester.pumpAndSettle();
+      expect(find.text('abc'), findsOneWidget);
+    }
+
+    // Test the disabled text field
+    {
+      final Finder finder = find.byKey(const Key('disabled text field'));
+      final TextField textField = tester.widget<TextField>(finder);
+      expect(textField.enabled, isFalse);
+    }
+  });
+
+  testWidgets('font size increase does not ellipsize hint text', (WidgetTester tester) async {
+    await pumpsUseCase(tester, TextFieldUseCase());
+    await tester.pumpWidget(
+      MaterialApp(
+        home: MediaQuery.withClampedTextScaling(
+          minScaleFactor: 3,
+          maxScaleFactor: 3,
+          child: Builder(
+            builder: (BuildContext context) {
+              return TextFieldUseCase().build(context);
+            },
+          ),
+        ),
+      ),
+    );
+    // Test the enabled text field
+    {
+      final Finder finder = find.byKey(const Key('enabled text field'));
+      await tester.tap(finder);
+      await tester.pumpAndSettle();
+      final Size size = tester.getSize(finder);
+      // Should have a multi-line height.
+      expect(size.height, 280);
+    }
+  });
+
+  testWidgets('text field wrapper exists', (WidgetTester tester) async {
+    await pumpsUseCase(tester, TextFieldUseCase());
+    const textFieldLabel = 'Input field with suffix @gmail.com';
+
+    final Finder semanticsWidgets = find.bySemanticsLabel(RegExp(textFieldLabel));
+    expect(semanticsWidgets, findsExactly(2));
+  });
+
+  testWidgets('text field demo page has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, TextFieldUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('TextField Demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/text_form_field_test.dart b/packages/material_ui/a11y_assessments/test/text_form_field_test.dart
new file mode 100644
index 000000000000..2c35940676cb
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/text_form_field_test.dart
@@ -0,0 +1,64 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:a11y_assessments/use_cases/text_form_field.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('text form field use case renders form and validates fields', (
+    WidgetTester tester,
+  ) async {
+    await pumpsUseCase(tester, TextFormFieldUseCase());
+    expect(find.byType(Form), findsOneWidget);
+    expect(find.byType(TextFormField), findsExactly(2));
+
+    // Test the enabled text form field
+    {
+      final Finder finder = find.byKey(const Key('enabled text form field'));
+      await tester.tap(finder);
+      await tester.pumpAndSettle();
+      await tester.enterText(finder, 'abc');
+      await tester.pumpAndSettle();
+      expect(find.text('abc'), findsOneWidget);
+    }
+
+    // Test the disabled text form field
+    {
+      final Finder finder = find.byKey(const Key('disabled text form field'));
+      final TextFormField textField = tester.widget<TextFormField>(finder);
+      expect(textField.enabled, isFalse);
+    }
+
+    // Test form validation on empty input
+    {
+      final Finder finder = find.byKey(const Key('enabled text form field'));
+      await tester.enterText(finder, '');
+      await tester.pumpAndSettle();
+      await tester.tap(find.byKey(const Key('submit button')));
+      await tester.pumpAndSettle();
+      expect(find.text('Please enter some text'), findsOneWidget);
+      expect(find.text('Validation failed'), findsOneWidget);
+    }
+
+    // Test successful form submission feedback
+    {
+      final Finder finder = find.byKey(const Key('enabled text form field'));
+      await tester.enterText(finder, 'test@example.com');
+      await tester.pumpAndSettle();
+      await tester.tap(find.byKey(const Key('submit button')));
+      await tester.pumpAndSettle();
+      expect(find.text('Form submitted successfully!'), findsWidgets);
+    }
+  });
+
+  testWidgets('text form field demo page has one h1 tag', (WidgetTester tester) async {
+    await pumpsUseCase(tester, TextFormFieldUseCase());
+    final Finder findHeadingLevelOnes = find.bySemanticsLabel('TextFormField Demo');
+    await tester.pumpAndSettle();
+    expect(findHeadingLevelOnes, findsOne);
+  });
+}
diff --git a/packages/material_ui/a11y_assessments/test/toggle_buttons_test.dart b/packages/material_ui/a11y_assessments/test/toggle_buttons_test.dart
new file mode 100644
index 000000000000..5dc012c5d2af
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/test/toggle_buttons_test.dart
@@ -0,0 +1,91 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:math' as math;
+
+import 'package:a11y_assessments/use_cases/toggle_buttons.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'test_utils.dart';
+
+void main() {
+  testWidgets('toggle buttons can run', (WidgetTester tester) async {
+    await pumpsUseCase(tester, ToggleButtonsUseCase());
+    expect(find.byType(ToggleButtons), findsOneWidget);
+  });
+
+  testWidgets('toggle buttons can toggle state', (WidgetTester tester) async {
+    await pumpsUseCase(tester, ToggleButtonsUseCase());
+    final Finder findBold = find.bySemanticsLabel('Bold');
+    expect(findBold, findsOneWidget);
+
+    final Finder findToggleButtons = find.byType(ToggleButtons);
+    expect(findToggleButtons, findsOneWidget);
+
+    ToggleButtons widget = tester.widget(findToggleButtons);
+    expect(widget.isSelected[0], isTrue);
+
+    await tester.tap(findBold);
+    await tester.pumpAndSettle();
+
+    widget = tester.widget(findToggleButtons);
+    expect(widget.isSelected[0], isFalse);
+  });
+
+  // Verifies that the contrast ratio between the background of the selected state
+  // and the background of the unselected/default state is at least 3:1.
+  // This is required by WCAG 2.1 Success Criterion 1.4.11 (Non-text Contrast) to
+  // ensure users can identify when a user interface component changes state:
+  // https://www.w3.org/WAI/WCAG21/Understanding/non-text-contrast.html
+  testWidgets('toggle buttons selected and unselected backgrounds have at least 3:1 contrast ratio', (
+    WidgetTester tester,
+  ) async {
+    await pumpsUseCase(tester, ToggleButtonsUseCase());
+
+    final Finder boldButton = find.ancestor(
+      of: find.bySemanticsLabel('Bold'),
+      matching: find.byType(TextButton),
+    );
+
+    final Color scaffoldBg = Theme.of(tester.element(boldButton)).scaffoldBackgroundColor;
+    final Color selectedBg = _getButtonBg(tester, boldButton, scaffoldBg, isSelected: true);
+
+    // Tap the button to deselect it.
+    await tester.tap(boldButton);
+    await tester.pumpAndSettle();
+
+    final Color unselectedBg = _getButtonBg(tester, boldButton, scaffoldBg, isSelected: false);
+
+    final double contrastRatio = _contrastRatio(selectedBg, unselectedBg);
+    expect(
+      contrastRatio,
+      greaterThanOrEqualTo(3.0),
+      reason:
+          'Contrast ratio between selected background ($selectedBg) and unselected background ($unselectedBg) must be at least 3.0',
+    );
+  });
+}
+
+/// Resolves the background color of the button and blends it with the scaffold background.
+Color _getButtonBg(
+  WidgetTester tester,
+  Finder buttonFinder,
+  Color scaffoldBg, {
+  required bool isSelected,
+}) {
+  final TextButton button = tester.widget<TextButton>(buttonFinder);
+  final states = isSelected ? const <WidgetState>{WidgetState.selected} : const <WidgetState>{};
+  final Color resolved = button.style?.backgroundColor?.resolve(states) ?? Colors.transparent;
+  return Color.alphaBlend(resolved, scaffoldBg);
+}
+
+/// Computes the contrast ratio as defined by the WCAG.
+///
+/// Source: https://www.w3.org/TR/UNDERSTANDING-WCAG20/visual-audio-contrast-contrast.html
+double _contrastRatio(Color color1, Color color2) {
+  final double l1 = color1.computeLuminance();
+  final double l2 = color2.computeLuminance();
+  return (math.max(l1, l2) + 0.05) / (math.min(l1, l2) + 0.05);
+}
diff --git a/packages/material_ui/a11y_assessments/web/favicon.png b/packages/material_ui/a11y_assessments/web/favicon.png
new file mode 100644
index 000000000000..8aaa46ac1ae2
Binary files /dev/null and b/packages/material_ui/a11y_assessments/web/favicon.png differ
diff --git a/packages/material_ui/a11y_assessments/web/flutter_bootstrap.js b/packages/material_ui/a11y_assessments/web/flutter_bootstrap.js
new file mode 100644
index 000000000000..312a437d2416
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/web/flutter_bootstrap.js
@@ -0,0 +1,15 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+{{flutter_js}}
+{{flutter_build_config}}
+_flutter.loader.load({
+  config: {
+    // Use the local CanvasKit bundle instead of the CDN to reduce test flakiness.
+    canvasKitBaseUrl: "/canvaskit/",
+    // Set this to `true` to make semantic DOM nodes visible on the UI. This is
+    // sometimes useful for debugging.
+    debugShowSemanticsNodes: false,
+  },
+});
diff --git a/packages/material_ui/a11y_assessments/web/icons/Icon-192.png b/packages/material_ui/a11y_assessments/web/icons/Icon-192.png
new file mode 100644
index 000000000000..b749bfef0747
Binary files /dev/null and b/packages/material_ui/a11y_assessments/web/icons/Icon-192.png differ
diff --git a/packages/material_ui/a11y_assessments/web/icons/Icon-512.png b/packages/material_ui/a11y_assessments/web/icons/Icon-512.png
new file mode 100644
index 000000000000..88cfd48dff11
Binary files /dev/null and b/packages/material_ui/a11y_assessments/web/icons/Icon-512.png differ
diff --git a/packages/material_ui/a11y_assessments/web/icons/Icon-maskable-192.png b/packages/material_ui/a11y_assessments/web/icons/Icon-maskable-192.png
new file mode 100644
index 000000000000..b749bfef0747
Binary files /dev/null and b/packages/material_ui/a11y_assessments/web/icons/Icon-maskable-192.png differ
diff --git a/packages/material_ui/a11y_assessments/web/icons/Icon-maskable-512.png b/packages/material_ui/a11y_assessments/web/icons/Icon-maskable-512.png
new file mode 100644
index 000000000000..88cfd48dff11
Binary files /dev/null and b/packages/material_ui/a11y_assessments/web/icons/Icon-maskable-512.png differ
diff --git a/packages/material_ui/a11y_assessments/web/index.html b/packages/material_ui/a11y_assessments/web/index.html
new file mode 100644
index 000000000000..48ddcad98702
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/web/index.html
@@ -0,0 +1,42 @@
+<!DOCTYPE HTML>
+<!-- Copyright 2014 The Flutter Authors. All rights reserved.
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file. -->
+
+<html lang="en-US">
+<head>
+  <!--
+    If you are serving your web app in a path other than the root, change the
+    href value below to reflect the base path you are serving from.
+
+    The path provided below has to start and end with a slash "/" in order for
+    it to work correctly.
+
+    For more details:
+    * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base
+
+    This is a placeholder for base href that will be replaced by the value of
+    the `--base-href` argument provided to `flutter build`.
+  -->
+  <base href="$FLUTTER_BASE_HREF">
+
+  <meta charset="UTF-8">
+  <meta content="IE=Edge" http-equiv="X-UA-Compatible">
+  <meta name="description" content=""A new Flutter project."">
+
+  <!-- iOS meta tags & icons -->
+  <meta name="mobile-web-app-capable" content="yes">
+  <meta name="apple-mobile-web-app-status-bar-style" content="black">
+  <meta name="apple-mobile-web-app-title" content="a11y_assessments">
+  <link rel="apple-touch-icon" href="icons/Icon-192.png">
+
+  <!-- Favicon -->
+  <link rel="icon" type="image/png" href="favicon.png"/>
+
+  <title>a11y_assessments</title>
+  <link rel="manifest" href="manifest.json">
+</head>
+<body>
+  <script src="flutter_bootstrap.js" async></script>
+</body>
+</html>
diff --git a/packages/material_ui/a11y_assessments/web/manifest.json b/packages/material_ui/a11y_assessments/web/manifest.json
new file mode 100644
index 000000000000..b2bfc8ba99bf
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/web/manifest.json
@@ -0,0 +1,35 @@
+{
+    "name": "a11y_assessments",
+    "short_name": "a11y_assessments",
+    "start_url": ".",
+    "display": "standalone",
+    "background_color": "#0175C2",
+    "theme_color": "#0175C2",
+    "description": "A new Flutter project.",
+    "orientation": "portrait-primary",
+    "prefer_related_applications": false,
+    "icons": [
+        {
+            "src": "icons/Icon-192.png",
+            "sizes": "192x192",
+            "type": "image/png"
+        },
+        {
+            "src": "icons/Icon-512.png",
+            "sizes": "512x512",
+            "type": "image/png"
+        },
+        {
+            "src": "icons/Icon-maskable-192.png",
+            "sizes": "192x192",
+            "type": "image/png",
+            "purpose": "maskable"
+        },
+        {
+            "src": "icons/Icon-maskable-512.png",
+            "sizes": "512x512",
+            "type": "image/png",
+            "purpose": "maskable"
+        }
+    ]
+}
diff --git a/packages/material_ui/a11y_assessments/windows/.gitignore b/packages/material_ui/a11y_assessments/windows/.gitignore
new file mode 100644
index 000000000000..d492d0d98c8f
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/windows/.gitignore
@@ -0,0 +1,17 @@
+flutter/ephemeral/
+
+# Visual Studio user-specific files.
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# Visual Studio build-related files.
+x64/
+x86/
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
diff --git a/packages/material_ui/a11y_assessments/windows/CMakeLists.txt b/packages/material_ui/a11y_assessments/windows/CMakeLists.txt
new file mode 100644
index 000000000000..b2bc836676f1
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/windows/CMakeLists.txt
@@ -0,0 +1,102 @@
+# Project-level configuration.
+cmake_minimum_required(VERSION 3.14)
+project(a11y_assessments LANGUAGES CXX)
+
+# The name of the executable created for the application. Change this to change
+# the on-disk name of your application.
+set(BINARY_NAME "a11y_assessments")
+
+# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
+# versions of CMake.
+cmake_policy(VERSION 3.14...3.25)
+
+# Define build configuration option.
+get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
+if(IS_MULTICONFIG)
+  set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release"
+    CACHE STRING "" FORCE)
+else()
+  if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+    set(CMAKE_BUILD_TYPE "Debug" CACHE
+      STRING "Flutter build mode" FORCE)
+    set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
+      "Debug" "Profile" "Release")
+  endif()
+endif()
+# Define settings for the Profile build mode.
+set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}")
+set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}")
+set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}")
+set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}")
+
+# Use Unicode for all projects.
+add_definitions(-DUNICODE -D_UNICODE)
+
+# Compilation settings that should be applied to most targets.
+#
+# Be cautious about adding new options here, as plugins use this function by
+# default. In most cases, you should add new options to specific targets instead
+# of modifying this function.
+function(APPLY_STANDARD_SETTINGS TARGET)
+  target_compile_features(${TARGET} PUBLIC cxx_std_17)
+  target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100")
+  target_compile_options(${TARGET} PRIVATE /EHsc)
+  target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0")
+  target_compile_definitions(${TARGET} PRIVATE "$<$<CONFIG:Debug>:_DEBUG>")
+endfunction()
+
+# Flutter library and tool build rules.
+set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
+add_subdirectory(${FLUTTER_MANAGED_DIR})
+
+# Application build; see runner/CMakeLists.txt.
+add_subdirectory("runner")
+
+
+# Generated plugin build rules, which manage building the plugins and adding
+# them to the application.
+include(flutter/generated_plugins.cmake)
+
+
+# === Installation ===
+# Support files are copied into place next to the executable, so that it can
+# run in place. This is done instead of making a separate bundle (as on Linux)
+# so that building and running from within Visual Studio will work.
+set(BUILD_BUNDLE_DIR "$<TARGET_FILE_DIR:${BINARY_NAME}>")
+# Make the "install" step default, as it's required to run.
+set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1)
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
+endif()
+
+set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
+set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}")
+
+install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+  COMPONENT Runtime)
+
+if(PLUGIN_BUNDLED_LIBRARIES)
+  install(FILES "${PLUGIN_BUNDLED_LIBRARIES}"
+    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endif()
+
+# Fully re-copy the assets directory on each build to avoid having stale files
+# from a previous install.
+set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
+install(CODE "
+  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
+  " COMPONENT Runtime)
+install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
+  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
+
+# Install the AOT library on non-Debug builds only.
+install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  CONFIGURATIONS Profile;Release
+  COMPONENT Runtime)
diff --git a/packages/material_ui/a11y_assessments/windows/flutter/CMakeLists.txt b/packages/material_ui/a11y_assessments/windows/flutter/CMakeLists.txt
new file mode 100644
index 000000000000..903f4899d6fc
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/windows/flutter/CMakeLists.txt
@@ -0,0 +1,109 @@
+# This file controls Flutter-level build steps. It should not be edited.
+cmake_minimum_required(VERSION 3.14)
+
+set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
+
+# Configuration provided via flutter tool.
+include(${EPHEMERAL_DIR}/generated_config.cmake)
+
+# TODO: Move the rest of this into files in ephemeral. See
+# https://github.com/flutter/flutter/issues/57146.
+set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper")
+
+# Set fallback configurations for older versions of the flutter tool.
+if (NOT DEFINED FLUTTER_TARGET_PLATFORM)
+  set(FLUTTER_TARGET_PLATFORM "windows-x64")
+endif()
+
+# === Flutter Library ===
+set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll")
+
+# Published to parent scope for install step.
+set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
+set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
+set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
+set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE)
+
+list(APPEND FLUTTER_LIBRARY_HEADERS
+  "flutter_export.h"
+  "flutter_windows.h"
+  "flutter_messenger.h"
+  "flutter_plugin_registrar.h"
+  "flutter_texture_registrar.h"
+)
+list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/")
+add_library(flutter INTERFACE)
+target_include_directories(flutter INTERFACE
+  "${EPHEMERAL_DIR}"
+)
+target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib")
+add_dependencies(flutter flutter_assemble)
+
+# === Wrapper ===
+list(APPEND CPP_WRAPPER_SOURCES_CORE
+  "core_implementations.cc"
+  "standard_codec.cc"
+)
+list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/")
+list(APPEND CPP_WRAPPER_SOURCES_PLUGIN
+  "plugin_registrar.cc"
+)
+list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/")
+list(APPEND CPP_WRAPPER_SOURCES_APP
+  "flutter_engine.cc"
+  "flutter_view_controller.cc"
+)
+list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/")
+
+# Wrapper sources needed for a plugin.
+add_library(flutter_wrapper_plugin STATIC
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_PLUGIN}
+)
+apply_standard_settings(flutter_wrapper_plugin)
+set_target_properties(flutter_wrapper_plugin PROPERTIES
+  POSITION_INDEPENDENT_CODE ON)
+set_target_properties(flutter_wrapper_plugin PROPERTIES
+  CXX_VISIBILITY_PRESET hidden)
+target_link_libraries(flutter_wrapper_plugin PUBLIC flutter)
+target_include_directories(flutter_wrapper_plugin PUBLIC
+  "${WRAPPER_ROOT}/include"
+)
+add_dependencies(flutter_wrapper_plugin flutter_assemble)
+
+# Wrapper sources needed for the runner.
+add_library(flutter_wrapper_app STATIC
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_APP}
+)
+apply_standard_settings(flutter_wrapper_app)
+target_link_libraries(flutter_wrapper_app PUBLIC flutter)
+target_include_directories(flutter_wrapper_app PUBLIC
+  "${WRAPPER_ROOT}/include"
+)
+add_dependencies(flutter_wrapper_app flutter_assemble)
+
+# === Flutter tool backend ===
+# _phony_ is a non-existent file to force this command to run every time,
+# since currently there's no way to get a full input/output list from the
+# flutter tool.
+set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_")
+set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE)
+add_custom_command(
+  OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
+    ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN}
+    ${CPP_WRAPPER_SOURCES_APP}
+    ${PHONY_OUTPUT}
+  COMMAND ${CMAKE_COMMAND} -E env
+    ${FLUTTER_TOOL_ENVIRONMENT}
+    "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat"
+      ${FLUTTER_TARGET_PLATFORM} $<CONFIG>
+  VERBATIM
+)
+add_custom_target(flutter_assemble DEPENDS
+  "${FLUTTER_LIBRARY}"
+  ${FLUTTER_LIBRARY_HEADERS}
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_PLUGIN}
+  ${CPP_WRAPPER_SOURCES_APP}
+)
diff --git a/packages/material_ui/a11y_assessments/windows/runner/CMakeLists.txt b/packages/material_ui/a11y_assessments/windows/runner/CMakeLists.txt
new file mode 100644
index 000000000000..394917c053a0
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/windows/runner/CMakeLists.txt
@@ -0,0 +1,40 @@
+cmake_minimum_required(VERSION 3.14)
+project(runner LANGUAGES CXX)
+
+# Define the application target. To change its name, change BINARY_NAME in the
+# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer
+# work.
+#
+# Any new source files that you add to the application should be added here.
+add_executable(${BINARY_NAME} WIN32
+  "flutter_window.cpp"
+  "main.cpp"
+  "utils.cpp"
+  "win32_window.cpp"
+  "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
+  "Runner.rc"
+  "runner.exe.manifest"
+)
+
+# Apply the standard set of build settings. This can be removed for applications
+# that need different build settings.
+apply_standard_settings(${BINARY_NAME})
+
+# Add preprocessor definitions for the build version.
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}")
+
+# Disable Windows macros that collide with C++ standard library functions.
+target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX")
+
+# Add dependency libraries and include directories. Add any application-specific
+# dependencies here.
+target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app)
+target_link_libraries(${BINARY_NAME} PRIVATE "dwmapi.lib")
+target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}")
+
+# Run the Flutter tool portions of the build. This must not be removed.
+add_dependencies(${BINARY_NAME} flutter_assemble)
diff --git a/packages/material_ui/a11y_assessments/windows/runner/Runner.rc b/packages/material_ui/a11y_assessments/windows/runner/Runner.rc
new file mode 100644
index 000000000000..9b5eba68d548
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/windows/runner/Runner.rc
@@ -0,0 +1,121 @@
+// Microsoft Visual C++ generated resource script.
+//
+#pragma code_page(65001)
+#include "resource.h"
+
+#define APSTUDIO_READONLY_SYMBOLS
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 2 resource.
+//
+#include "winres.h"
+
+/////////////////////////////////////////////////////////////////////////////
+#undef APSTUDIO_READONLY_SYMBOLS
+
+/////////////////////////////////////////////////////////////////////////////
+// English (United States) resources
+
+#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
+LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
+
+#ifdef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// TEXTINCLUDE
+//
+
+1 TEXTINCLUDE
+BEGIN
+    "resource.h\0"
+END
+
+2 TEXTINCLUDE
+BEGIN
+    "#include ""winres.h""\r\n"
+    "\0"
+END
+
+3 TEXTINCLUDE
+BEGIN
+    "\r\n"
+    "\0"
+END
+
+#endif    // APSTUDIO_INVOKED
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Icon
+//
+
+// Icon with lowest ID value placed first to ensure application icon
+// remains consistent on all systems.
+IDI_APP_ICON            ICON                    "resources\\app_icon.ico"
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Version
+//
+
+#if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD)
+#define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD
+#else
+#define VERSION_AS_NUMBER 1,0,0,0
+#endif
+
+#if defined(FLUTTER_VERSION)
+#define VERSION_AS_STRING FLUTTER_VERSION
+#else
+#define VERSION_AS_STRING "1.0.0"
+#endif
+
+VS_VERSION_INFO VERSIONINFO
+ FILEVERSION VERSION_AS_NUMBER
+ PRODUCTVERSION VERSION_AS_NUMBER
+ FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
+#ifdef _DEBUG
+ FILEFLAGS VS_FF_DEBUG
+#else
+ FILEFLAGS 0x0L
+#endif
+ FILEOS VOS__WINDOWS32
+ FILETYPE VFT_APP
+ FILESUBTYPE 0x0L
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "040904e4"
+        BEGIN
+            VALUE "CompanyName", "com.example" "\0"
+            VALUE "FileDescription", "a11y_assessments" "\0"
+            VALUE "FileVersion", VERSION_AS_STRING "\0"
+            VALUE "InternalName", "a11y_assessments" "\0"
+            VALUE "LegalCopyright", "Copyright (C) 2023 com.example. All rights reserved." "\0"
+            VALUE "OriginalFilename", "a11y_assessments.exe" "\0"
+            VALUE "ProductName", "a11y_assessments" "\0"
+            VALUE "ProductVersion", VERSION_AS_STRING "\0"
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        VALUE "Translation", 0x409, 1252
+    END
+END
+
+#endif    // English (United States) resources
+/////////////////////////////////////////////////////////////////////////////
+
+
+
+#ifndef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 3 resource.
+//
+
+
+/////////////////////////////////////////////////////////////////////////////
+#endif    // not APSTUDIO_INVOKED
diff --git a/packages/material_ui/a11y_assessments/windows/runner/flutter_window.cpp b/packages/material_ui/a11y_assessments/windows/runner/flutter_window.cpp
new file mode 100644
index 000000000000..252aa267868b
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/windows/runner/flutter_window.cpp
@@ -0,0 +1,75 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "flutter_window.h"
+
+#include <optional>
+
+#include "flutter/generated_plugin_registrant.h"
+
+FlutterWindow::FlutterWindow(const flutter::DartProject& project)
+    : project_(project) {}
+
+FlutterWindow::~FlutterWindow() {}
+
+bool FlutterWindow::OnCreate() {
+  if (!Win32Window::OnCreate()) {
+    return false;
+  }
+
+  RECT frame = GetClientArea();
+
+  // The size here must match the window dimensions to avoid unnecessary surface
+  // creation / destruction in the startup path.
+  flutter_controller_ = std::make_unique<flutter::FlutterViewController>(
+      frame.right - frame.left, frame.bottom - frame.top, project_);
+  // Ensure that basic setup of the controller was successful.
+  if (!flutter_controller_->engine() || !flutter_controller_->view()) {
+    return false;
+  }
+  RegisterPlugins(flutter_controller_->engine());
+  SetChildContent(flutter_controller_->view()->GetNativeWindow());
+
+  flutter_controller_->engine()->SetNextFrameCallback([&]() {
+    this->Show();
+  });
+
+  // Flutter can complete the first frame before the "show window" callback is
+  // registered. The following call ensures a frame is pending to ensure the
+  // window is shown. It is a no-op if the first frame hasn't completed yet.
+  flutter_controller_->ForceRedraw();
+
+  return true;
+}
+
+void FlutterWindow::OnDestroy() {
+  if (flutter_controller_) {
+    flutter_controller_ = nullptr;
+  }
+
+  Win32Window::OnDestroy();
+}
+
+LRESULT
+FlutterWindow::MessageHandler(HWND hwnd, UINT const message,
+                              WPARAM const wparam,
+                              LPARAM const lparam) noexcept {
+  // Give Flutter, including plugins, an opportunity to handle window messages.
+  if (flutter_controller_) {
+    std::optional<LRESULT> result =
+        flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam,
+                                                      lparam);
+    if (result) {
+      return *result;
+    }
+  }
+
+  switch (message) {
+    case WM_FONTCHANGE:
+      flutter_controller_->engine()->ReloadSystemFonts();
+      break;
+  }
+
+  return Win32Window::MessageHandler(hwnd, message, wparam, lparam);
+}
diff --git a/packages/material_ui/a11y_assessments/windows/runner/flutter_window.h b/packages/material_ui/a11y_assessments/windows/runner/flutter_window.h
new file mode 100644
index 000000000000..bbc5836c018a
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/windows/runner/flutter_window.h
@@ -0,0 +1,37 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef RUNNER_FLUTTER_WINDOW_H_
+#define RUNNER_FLUTTER_WINDOW_H_
+
+#include <flutter/dart_project.h>
+#include <flutter/flutter_view_controller.h>
+
+#include <memory>
+
+#include "win32_window.h"
+
+// A window that does nothing but host a Flutter view.
+class FlutterWindow : public Win32Window {
+ public:
+  // Creates a new FlutterWindow hosting a Flutter view running |project|.
+  explicit FlutterWindow(const flutter::DartProject& project);
+  virtual ~FlutterWindow();
+
+ protected:
+  // Win32Window:
+  bool OnCreate() override;
+  void OnDestroy() override;
+  LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam,
+                         LPARAM const lparam) noexcept override;
+
+ private:
+  // The project to run.
+  flutter::DartProject project_;
+
+  // The Flutter instance hosted by this window.
+  std::unique_ptr<flutter::FlutterViewController> flutter_controller_;
+};
+
+#endif  // RUNNER_FLUTTER_WINDOW_H_
diff --git a/packages/material_ui/a11y_assessments/windows/runner/main.cpp b/packages/material_ui/a11y_assessments/windows/runner/main.cpp
new file mode 100644
index 000000000000..125d42ba57ff
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/windows/runner/main.cpp
@@ -0,0 +1,47 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <flutter/dart_project.h>
+#include <flutter/flutter_view_controller.h>
+#include <windows.h>
+
+#include "flutter_window.h"
+#include "utils.h"
+
+int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
+                      _In_ wchar_t *command_line, _In_ int show_command) {
+  // Attach to console when present (e.g., 'flutter run') or create a
+  // new console when running with a debugger.
+  if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) {
+    CreateAndAttachConsole();
+  }
+
+  // Initialize COM, so that it is available for use in the library and/or
+  // plugins.
+  ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
+
+  flutter::DartProject project(L"data");
+
+  std::vector<std::string> command_line_arguments =
+      GetCommandLineArguments();
+
+  project.set_dart_entrypoint_arguments(std::move(command_line_arguments));
+
+  FlutterWindow window(project);
+  Win32Window::Point origin(10, 10);
+  Win32Window::Size size(1280, 720);
+  if (!window.Create(L"a11y_assessments", origin, size)) {
+    return EXIT_FAILURE;
+  }
+  window.SetQuitOnClose(true);
+
+  ::MSG msg;
+  while (::GetMessage(&msg, nullptr, 0, 0)) {
+    ::TranslateMessage(&msg);
+    ::DispatchMessage(&msg);
+  }
+
+  ::CoUninitialize();
+  return EXIT_SUCCESS;
+}
diff --git a/packages/material_ui/a11y_assessments/windows/runner/resource.h b/packages/material_ui/a11y_assessments/windows/runner/resource.h
new file mode 100644
index 000000000000..c245ff19cb58
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/windows/runner/resource.h
@@ -0,0 +1,20 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by Runner.rc
+//
+#define IDI_APP_ICON                    101
+
+// Next default values for new objects
+//
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NEXT_RESOURCE_VALUE        102
+#define _APS_NEXT_COMMAND_VALUE         40001
+#define _APS_NEXT_CONTROL_VALUE         1001
+#define _APS_NEXT_SYMED_VALUE           101
+#endif
+#endif
diff --git a/packages/material_ui/a11y_assessments/windows/runner/resources/app_icon.ico b/packages/material_ui/a11y_assessments/windows/runner/resources/app_icon.ico
new file mode 100644
index 000000000000..2e4cc829b07d
Binary files /dev/null and b/packages/material_ui/a11y_assessments/windows/runner/resources/app_icon.ico differ
diff --git a/packages/material_ui/a11y_assessments/windows/runner/runner.exe.manifest b/packages/material_ui/a11y_assessments/windows/runner/runner.exe.manifest
new file mode 100644
index 000000000000..153653e8d67f
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/windows/runner/runner.exe.manifest
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+  <application xmlns="urn:schemas-microsoft-com:asm.v3">
+    <windowsSettings>
+      <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
+    </windowsSettings>
+  </application>
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- Windows 10 and Windows 11 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
+    </application>
+  </compatibility>
+</assembly>
diff --git a/packages/material_ui/a11y_assessments/windows/runner/utils.cpp b/packages/material_ui/a11y_assessments/windows/runner/utils.cpp
new file mode 100644
index 000000000000..d727a67d762e
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/windows/runner/utils.cpp
@@ -0,0 +1,73 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "utils.h"
+
+#include <flutter_windows.h>
+#include <io.h>
+#include <stdio.h>
+#include <windows.h>
+
+#include <iostream>
+
+void CreateAndAttachConsole() {
+  if (::AllocConsole()) {
+    FILE *unused;
+    if (freopen_s(&unused, "CONOUT$", "w", stdout)) {
+      _dup2(_fileno(stdout), 1);
+    }
+    if (freopen_s(&unused, "CONOUT$", "w", stderr)) {
+      _dup2(_fileno(stdout), 2);
+    }
+    std::ios::sync_with_stdio();
+    FlutterDesktopResyncOutputStreams();
+  }
+}
+
+std::vector<std::string> GetCommandLineArguments() {
+  // Convert the UTF-16 command line arguments to UTF-8 for the Engine to use.
+  int argc;
+  wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc);
+  if (argv == nullptr) {
+    return std::vector<std::string>();
+  }
+
+  std::vector<std::string> command_line_arguments;
+
+  // Skip the first argument as it's the binary name.
+  for (int i = 1; i < argc; i++) {
+    command_line_arguments.push_back(Utf8FromUtf16(argv[i]));
+  }
+
+  ::LocalFree(argv);
+
+  return command_line_arguments;
+}
+
+std::string Utf8FromUtf16(const wchar_t* utf16_string) {
+  if (utf16_string == nullptr) {
+    return std::string();
+  }
+  // First, find the length of the string with a safe upper bound (CWE-126).
+  // UNICODE_STRING_MAX_CHARS (32767) is the maximum length of a UNICODE_STRING.
+  int input_length = static_cast<int>(wcsnlen(utf16_string, UNICODE_STRING_MAX_CHARS));
+  // Now use that bounded length to determine the required buffer size.
+  // When an explicit length is passed, WideCharToMultiByte does not include
+  // the null terminator in its returned size.
+  int target_length = ::WideCharToMultiByte(
+      CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
+      input_length, nullptr, 0, nullptr, nullptr);
+  std::string utf8_string;
+  if (target_length == 0 || static_cast<size_t>(target_length) > utf8_string.max_size()) {
+    return utf8_string;
+  }
+  utf8_string.resize(target_length);
+  int converted_length = ::WideCharToMultiByte(
+      CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
+      input_length, utf8_string.data(), target_length, nullptr, nullptr);
+  if (converted_length == 0) {
+    return std::string();
+  }
+  return utf8_string;
+}
diff --git a/packages/material_ui/a11y_assessments/windows/runner/utils.h b/packages/material_ui/a11y_assessments/windows/runner/utils.h
new file mode 100644
index 000000000000..54414c989ba7
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/windows/runner/utils.h
@@ -0,0 +1,23 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef RUNNER_UTILS_H_
+#define RUNNER_UTILS_H_
+
+#include <string>
+#include <vector>
+
+// Creates a console for the process, and redirects stdout and stderr to
+// it for both the runner and the Flutter library.
+void CreateAndAttachConsole();
+
+// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string
+// encoded in UTF-8. Returns an empty std::string on failure.
+std::string Utf8FromUtf16(const wchar_t* utf16_string);
+
+// Gets the command line arguments passed in as a std::vector<std::string>,
+// encoded in UTF-8. Returns an empty std::vector<std::string> on failure.
+std::vector<std::string> GetCommandLineArguments();
+
+#endif  // RUNNER_UTILS_H_
diff --git a/packages/material_ui/a11y_assessments/windows/runner/win32_window.cpp b/packages/material_ui/a11y_assessments/windows/runner/win32_window.cpp
new file mode 100644
index 000000000000..14a183d7eaa2
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/windows/runner/win32_window.cpp
@@ -0,0 +1,292 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "win32_window.h"
+
+#include <dwmapi.h>
+#include <flutter_windows.h>
+
+#include "resource.h"
+
+namespace {
+
+/// Window attribute that enables dark mode window decorations.
+///
+/// Redefined in case the developer's machine has a Windows SDK older than
+/// version 10.0.22000.0.
+/// See: https://docs.microsoft.com/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute
+#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE
+#define DWMWA_USE_IMMERSIVE_DARK_MODE 20
+#endif
+
+constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW";
+
+/// Registry key for app theme preference.
+///
+/// A value of 0 indicates apps should use dark mode. A non-zero or missing
+/// value indicates apps should use light mode.
+constexpr const wchar_t kGetPreferredBrightnessRegKey[] =
+  L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize";
+constexpr const wchar_t kGetPreferredBrightnessRegValue[] = L"AppsUseLightTheme";
+
+// The number of Win32Window objects that currently exist.
+static int g_active_window_count = 0;
+
+using EnableNonClientDpiScaling = BOOL __stdcall(HWND hwnd);
+
+// Scale helper to convert logical scaler values to physical using passed in
+// scale factor
+int Scale(int source, double scale_factor) {
+  return static_cast<int>(source * scale_factor);
+}
+
+// Dynamically loads the |EnableNonClientDpiScaling| from the User32 module.
+// This API is only needed for PerMonitor V1 awareness mode.
+void EnableFullDpiSupportIfAvailable(HWND hwnd) {
+  HMODULE user32_module = LoadLibraryA("User32.dll");
+  if (!user32_module) {
+    return;
+  }
+  auto enable_non_client_dpi_scaling =
+      reinterpret_cast<EnableNonClientDpiScaling*>(
+          GetProcAddress(user32_module, "EnableNonClientDpiScaling"));
+  if (enable_non_client_dpi_scaling != nullptr) {
+    enable_non_client_dpi_scaling(hwnd);
+  }
+  FreeLibrary(user32_module);
+}
+
+}  // namespace
+
+// Manages the Win32Window's window class registration.
+class WindowClassRegistrar {
+ public:
+  ~WindowClassRegistrar() = default;
+
+  // Returns the singleton registrar instance.
+  static WindowClassRegistrar* GetInstance() {
+    if (!instance_) {
+      instance_ = new WindowClassRegistrar();
+    }
+    return instance_;
+  }
+
+  // Returns the name of the window class, registering the class if it hasn't
+  // previously been registered.
+  const wchar_t* GetWindowClass();
+
+  // Unregisters the window class. Should only be called if there are no
+  // instances of the window.
+  void UnregisterWindowClass();
+
+ private:
+  WindowClassRegistrar() = default;
+
+  static WindowClassRegistrar* instance_;
+
+  bool class_registered_ = false;
+};
+
+WindowClassRegistrar* WindowClassRegistrar::instance_ = nullptr;
+
+const wchar_t* WindowClassRegistrar::GetWindowClass() {
+  if (!class_registered_) {
+    WNDCLASS window_class{};
+    window_class.hCursor = LoadCursor(nullptr, IDC_ARROW);
+    window_class.lpszClassName = kWindowClassName;
+    window_class.style = CS_HREDRAW | CS_VREDRAW;
+    window_class.cbClsExtra = 0;
+    window_class.cbWndExtra = 0;
+    window_class.hInstance = GetModuleHandle(nullptr);
+    window_class.hIcon =
+        LoadIcon(window_class.hInstance, MAKEINTRESOURCE(IDI_APP_ICON));
+    window_class.hbrBackground = 0;
+    window_class.lpszMenuName = nullptr;
+    window_class.lpfnWndProc = Win32Window::WndProc;
+    RegisterClass(&window_class);
+    class_registered_ = true;
+  }
+  return kWindowClassName;
+}
+
+void WindowClassRegistrar::UnregisterWindowClass() {
+  UnregisterClass(kWindowClassName, nullptr);
+  class_registered_ = false;
+}
+
+Win32Window::Win32Window() {
+  ++g_active_window_count;
+}
+
+Win32Window::~Win32Window() {
+  --g_active_window_count;
+  Destroy();
+}
+
+bool Win32Window::Create(const std::wstring& title,
+                         const Point& origin,
+                         const Size& size) {
+  Destroy();
+
+  const wchar_t* window_class =
+      WindowClassRegistrar::GetInstance()->GetWindowClass();
+
+  const POINT target_point = {static_cast<LONG>(origin.x),
+                              static_cast<LONG>(origin.y)};
+  HMONITOR monitor = MonitorFromPoint(target_point, MONITOR_DEFAULTTONEAREST);
+  UINT dpi = FlutterDesktopGetDpiForMonitor(monitor);
+  double scale_factor = dpi / 96.0;
+
+  HWND window = CreateWindow(
+      window_class, title.c_str(), WS_OVERLAPPEDWINDOW,
+      Scale(origin.x, scale_factor), Scale(origin.y, scale_factor),
+      Scale(size.width, scale_factor), Scale(size.height, scale_factor),
+      nullptr, nullptr, GetModuleHandle(nullptr), this);
+
+  if (!window) {
+    return false;
+  }
+
+  UpdateTheme(window);
+
+  return OnCreate();
+}
+
+bool Win32Window::Show() {
+  return ShowWindow(window_handle_, SW_SHOWNORMAL);
+}
+
+// static
+LRESULT CALLBACK Win32Window::WndProc(HWND const window,
+                                      UINT const message,
+                                      WPARAM const wparam,
+                                      LPARAM const lparam) noexcept {
+  if (message == WM_NCCREATE) {
+    auto window_struct = reinterpret_cast<CREATESTRUCT*>(lparam);
+    SetWindowLongPtr(window, GWLP_USERDATA,
+                     reinterpret_cast<LONG_PTR>(window_struct->lpCreateParams));
+
+    auto that = static_cast<Win32Window*>(window_struct->lpCreateParams);
+    EnableFullDpiSupportIfAvailable(window);
+    that->window_handle_ = window;
+  } else if (Win32Window* that = GetThisFromHandle(window)) {
+    return that->MessageHandler(window, message, wparam, lparam);
+  }
+
+  return DefWindowProc(window, message, wparam, lparam);
+}
+
+LRESULT
+Win32Window::MessageHandler(HWND hwnd,
+                            UINT const message,
+                            WPARAM const wparam,
+                            LPARAM const lparam) noexcept {
+  switch (message) {
+    case WM_DESTROY:
+      window_handle_ = nullptr;
+      Destroy();
+      if (quit_on_close_) {
+        PostQuitMessage(0);
+      }
+      return 0;
+
+    case WM_DPICHANGED: {
+      auto newRectSize = reinterpret_cast<RECT*>(lparam);
+      LONG newWidth = newRectSize->right - newRectSize->left;
+      LONG newHeight = newRectSize->bottom - newRectSize->top;
+
+      SetWindowPos(hwnd, nullptr, newRectSize->left, newRectSize->top, newWidth,
+                   newHeight, SWP_NOZORDER | SWP_NOACTIVATE);
+
+      return 0;
+    }
+    case WM_SIZE: {
+      RECT rect = GetClientArea();
+      if (child_content_ != nullptr) {
+        // Size and position the child window.
+        MoveWindow(child_content_, rect.left, rect.top, rect.right - rect.left,
+                   rect.bottom - rect.top, TRUE);
+      }
+      return 0;
+    }
+
+    case WM_ACTIVATE:
+      if (child_content_ != nullptr) {
+        SetFocus(child_content_);
+      }
+      return 0;
+
+    case WM_DWMCOLORIZATIONCOLORCHANGED:
+      UpdateTheme(hwnd);
+      return 0;
+  }
+
+  return DefWindowProc(window_handle_, message, wparam, lparam);
+}
+
+void Win32Window::Destroy() {
+  OnDestroy();
+
+  if (window_handle_) {
+    DestroyWindow(window_handle_);
+    window_handle_ = nullptr;
+  }
+  if (g_active_window_count == 0) {
+    WindowClassRegistrar::GetInstance()->UnregisterWindowClass();
+  }
+}
+
+Win32Window* Win32Window::GetThisFromHandle(HWND const window) noexcept {
+  return reinterpret_cast<Win32Window*>(
+      GetWindowLongPtr(window, GWLP_USERDATA));
+}
+
+void Win32Window::SetChildContent(HWND content) {
+  child_content_ = content;
+  SetParent(content, window_handle_);
+  RECT frame = GetClientArea();
+
+  MoveWindow(content, frame.left, frame.top, frame.right - frame.left,
+             frame.bottom - frame.top, true);
+
+  SetFocus(child_content_);
+}
+
+RECT Win32Window::GetClientArea() {
+  RECT frame;
+  GetClientRect(window_handle_, &frame);
+  return frame;
+}
+
+HWND Win32Window::GetHandle() {
+  return window_handle_;
+}
+
+void Win32Window::SetQuitOnClose(bool quit_on_close) {
+  quit_on_close_ = quit_on_close;
+}
+
+bool Win32Window::OnCreate() {
+  // No-op; provided for subclasses.
+  return true;
+}
+
+void Win32Window::OnDestroy() {
+  // No-op; provided for subclasses.
+}
+
+void Win32Window::UpdateTheme(HWND const window) {
+  DWORD light_mode;
+  DWORD light_mode_size = sizeof(light_mode);
+  LSTATUS result = RegGetValue(HKEY_CURRENT_USER, kGetPreferredBrightnessRegKey,
+                               kGetPreferredBrightnessRegValue,
+                               RRF_RT_REG_DWORD, nullptr, &light_mode,
+                               &light_mode_size);
+
+  if (result == ERROR_SUCCESS) {
+    BOOL enable_dark_mode = light_mode == 0;
+    DwmSetWindowAttribute(window, DWMWA_USE_IMMERSIVE_DARK_MODE,
+                          &enable_dark_mode, sizeof(enable_dark_mode));
+  }
+}
diff --git a/packages/material_ui/a11y_assessments/windows/runner/win32_window.h b/packages/material_ui/a11y_assessments/windows/runner/win32_window.h
new file mode 100644
index 000000000000..bb93e8879162
--- /dev/null
+++ b/packages/material_ui/a11y_assessments/windows/runner/win32_window.h
@@ -0,0 +1,106 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef RUNNER_WIN32_WINDOW_H_
+#define RUNNER_WIN32_WINDOW_H_
+
+#include <windows.h>
+
+#include <functional>
+#include <memory>
+#include <string>
+
+// A class abstraction for a high DPI-aware Win32 Window. Intended to be
+// inherited from by classes that wish to specialize with custom
+// rendering and input handling
+class Win32Window {
+ public:
+  struct Point {
+    unsigned int x;
+    unsigned int y;
+    Point(unsigned int x, unsigned int y) : x(x), y(y) {}
+  };
+
+  struct Size {
+    unsigned int width;
+    unsigned int height;
+    Size(unsigned int width, unsigned int height)
+        : width(width), height(height) {}
+  };
+
+  Win32Window();
+  virtual ~Win32Window();
+
+  // Creates a win32 window with |title| that is positioned and sized using
+  // |origin| and |size|. New windows are created on the default monitor. Window
+  // sizes are specified to the OS in physical pixels, hence to ensure a
+  // consistent size this function will scale the inputted width and height as
+  // as appropriate for the default monitor. The window is invisible until
+  // |Show| is called. Returns true if the window was created successfully.
+  bool Create(const std::wstring& title, const Point& origin, const Size& size);
+
+  // Show the current window. Returns true if the window was successfully shown.
+  bool Show();
+
+  // Release OS resources associated with window.
+  void Destroy();
+
+  // Inserts |content| into the window tree.
+  void SetChildContent(HWND content);
+
+  // Returns the backing Window handle to enable clients to set icon and other
+  // window properties. Returns nullptr if the window has been destroyed.
+  HWND GetHandle();
+
+  // If true, closing this window will quit the application.
+  void SetQuitOnClose(bool quit_on_close);
+
+  // Return a RECT representing the bounds of the current client area.
+  RECT GetClientArea();
+
+ protected:
+  // Processes and route salient window messages for mouse handling,
+  // size change and DPI. Delegates handling of these to member overloads that
+  // inheriting classes can handle.
+  virtual LRESULT MessageHandler(HWND window,
+                                 UINT const message,
+                                 WPARAM const wparam,
+                                 LPARAM const lparam) noexcept;
+
+  // Called when CreateAndShow is called, allowing subclass window-related
+  // setup. Subclasses should return false if setup fails.
+  virtual bool OnCreate();
+
+  // Called when Destroy is called.
+  virtual void OnDestroy();
+
+ private:
+  friend class WindowClassRegistrar;
+
+  // OS callback called by message pump. Handles the WM_NCCREATE message which
+  // is passed when the non-client area is being created and enables automatic
+  // non-client DPI scaling so that the non-client area automatically
+  // responds to changes in DPI. All other messages are handled by
+  // MessageHandler.
+  static LRESULT CALLBACK WndProc(HWND const window,
+                                  UINT const message,
+                                  WPARAM const wparam,
+                                  LPARAM const lparam) noexcept;
+
+  // Retrieves a class instance pointer for |window|
+  static Win32Window* GetThisFromHandle(HWND const window) noexcept;
+
+  // Update the window frame's theme to match the system theme.
+  static void UpdateTheme(HWND const window);
+
+  bool quit_on_close_ = false;
+
+  // window handle for top level window.
+  HWND window_handle_ = nullptr;
+
+  // window handle for hosted content.
+  HWND child_content_ = nullptr;
+};
+
+#endif  // RUNNER_WIN32_WINDOW_H_