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fix(android): read a child that vanished mid-read as gone #3901

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Merged
thymikee merged 1 commit into from
Oct 22, 2026
Merged

fix(android): read a child that vanished mid-read as gone #3901

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15 changes: 12 additions & 3 deletions ...helper/src/main/java/com/callstack/agentdevice/snapshothelper/AccessibilityNodeReads.java
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Original file line number Diff line number Diff line change
Expand Up @@ -30,10 +30,19 @@ static AccessibilityNodeInfo root(AccessibilityWindowInfo window) {
return window.getRoot();
}

/**
* The child, or null when it is gone. When the child's window closes during the read, the
* framework can throw a NullPointerException from its result integrity check instead of answering
* null (seen on API 35 while an alert dialog closed), so that throw means the same as null.
*/
static AccessibilityNodeInfo child(AccessibilityNodeInfo node, int index) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
return node.getChild(index, PREFETCH_STRATEGY);
try {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
return node.getChild(index, PREFETCH_STRATEGY);
}
return node.getChild(index);
} catch (NullPointerException vanished) {
return null;
}
return node.getChild(index);
}
}
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