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Commit d137a1db authored by Mateusz Cicheński's avatar Mateusz Cicheński
Browse files

Set alpha to 0 on attach to avoid flicker at transition start. 

Otherwise there is a race condition risk of rendering it for one frame
before it actually gets the first call to onAnimationUpdate.

Change-Id: Ifcf7103a78631c6c1408735acf3eb13888ae8dea
Test: manual, 20x enter Maps PiP without the repro of overlay flicker
Bug: 281711939
parent fd8948a9

libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipContentOverlay.java

+1 −0
Original line number Diff line number Diff line
@@ -206,6 +206,7 @@ public abstract class PipContentOverlay { 
            tx.show(mLeash);

            tx.setLayer(mLeash, Integer.MAX_VALUE);

            tx.setBuffer(mLeash, mBitmap.getHardwareBuffer());

            tx.setAlpha(mLeash, 0f);

            tx.reparent(mLeash, parentLeash);

            tx.apply();

        }