Merge "Hide task surface once it goes off-screen in close animation" into main

1 files changed, 7 insertions, 2 deletions

diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/freeform/FreeformTaskTransitionHandler.java b/libs/WindowManager/Shell/src/com/android/wm/shell/freeform/FreeformTaskTransitionHandler.java
index e848b889b314..2ae9828ca0db 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/freeform/FreeformTaskTransitionHandler.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/freeform/FreeformTaskTransitionHandler.java
@@ -254,8 +254,13 @@ public class FreeformTaskTransitionHandler
         finishT.hide(sc);
         final Rect startBounds = new Rect(change.getStartAbsBounds());
         animator.addUpdateListener(animation -> {
-            t.setPosition(sc, startBounds.left,
-                    startBounds.top + (animation.getAnimatedFraction() * screenHeight));
+            final float newTop = startBounds.top + (animation.getAnimatedFraction() * screenHeight);
+            t.setPosition(sc, startBounds.left, newTop);
+            if (newTop > screenHeight) {
+                // At this point the task surface is off-screen, so hide it to prevent flicker
+                // failures. See b/377651666.
+                t.hide(sc);
+            }
             t.apply();
         });
         animator.addListener(