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Requirements

• Android NDK r12+ for Android Studio + cmake/ndkbuild support
• For NDK r11 and earlier, gradle-experimental works, or other tools like ant. Branch android-mk keeps command-line / eclipse samples

Generic Build Instructions

• Android Studio: use "Import project (Eclipse ADT, Gradle, etc)", or "File" > "Import Project", local.properties file will be created. Double check sdk and ndk directories are setting correctly in that file.
• Configure NDK path
• Command Line: set up two environment variables ANDROID_HOME (for sdk dir) and ANDROID_NDK_HOME(for ndk dir), then "gradlew assembleDebug"

Q and A

How to trace code in native lib?

• In app/build.gradle, add compile dependency for debug and release builds with:
  debugCompile project(path: ':your-lib', configuration: 'debug')
  releaseCompile project(path: ':your-lib', configuration: 'release')
• in lib(s)/build.gradle, enable publishNonDefault:

android {
    publishNonDefault  true
}

How to Pack standard stl shared libs:

Please check the workaround

How to build target other than shared lib in CMakeList.txt?

In build.gradle

defaultConfig.externalNativeBuild.cmake.targets "target1", "target2"