Skip updating displacement if handler is already invalidated.

Bug: 73338391 Change-Id: I091e8a682f95631e15b3f2cbe3e281c4f18003b9
2018-02-14 09:14:12 -08:00
parent f6c65d7e54
commit ff02cd54d4
1 changed files with 3 additions and 0 deletions
@@ -461,6 +461,9 @@ public class WindowTransformSwipeHandler extends BaseSwipeInteractionHandler {

        if (mLauncherTransitionController != null) {
            Runnable runOnUi = () -> {
+                if (mLauncherTransitionController == null) {
+                    return;
+                }
                mLauncherTransitionController.setPlayFraction(shift);

                // Make sure the window follows the first task if it moves, e.g. during quick scrub.