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Merge "scroll capture: Recover gracefully when anchor view is lost" into udc-dev

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Treehugger Robot
2023-05-08 19:53:28 +00:00
committed by Android (Google) Code Review
parent 4bd98b45b6 73f0b2af19
commit 4d859e7bc3
1 changed files with 7 additions and 0 deletions
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7
core/java/com/android/internal/view/RecyclerViewCaptureHelper.java
View File

@@ -105,6 +105,13 @@ public class RecyclerViewCaptureHelper implements ScrollCaptureViewHelper<ViewGr
} }
if (recyclerView.requestChildRectangleOnScreen(anchor, input, true)) { if (recyclerView.requestChildRectangleOnScreen(anchor, input, true)) {
if (anchor.getParent() == null) {
// BUG(b/239050369): Check if the tracked anchor view is still attached.
Log.w(TAG, "Bug: anchor view " + anchor + " is detached after scrolling");
resultConsumer.accept(result); // empty result
return;
}
int scrolled = prevAnchorTop - anchor.getTop(); // inverse of movement int scrolled = prevAnchorTop - anchor.getTop(); // inverse of movement
mScrollDelta += scrolled; // view.top-- is equivalent to parent.scrollY++ mScrollDelta += scrolled; // view.top-- is equivalent to parent.scrollY++
result.scrollDelta = mScrollDelta; result.scrollDelta = mScrollDelta;