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Commit 5c1462b4 authored by Prabir Pradhan's avatar Prabir Pradhan
Browse files

Ignore non-pointer events in LetterboxScrollProcessor 

Non-pointer events don't correspond to any location on the screen, so they can't be used to scroll the letterbox.

Bug: 380510280
Change-Id: Ifb5cf30458595a94fb2969e0ba9b24d324fa1407
Flag: com.android.window.flags.scrolling_from_letterbox
Test: Manual
parent 788a1649

core/java/android/view/LetterboxScrollProcessor.java

+5 −0
Original line number Diff line number Diff line
@@ -78,6 +78,11 @@ public class LetterboxScrollProcessor { 
    @Nullable

    @VisibleForTesting(visibility = PACKAGE)

    public List<MotionEvent> processMotionEvent(@NonNull MotionEvent motionEvent) {

        if (!motionEvent.isFromSource(InputDevice.SOURCE_CLASS_POINTER)) {

            // This is a non-pointer event that doesn't correspond to any location on the screen.

            // Ignore it.

            return null;

        }

        mProcessedEvents.clear();

        final Rect appBounds = getAppBounds();