Merge "Do not start pending animation if another transition is collecting." into main

1 files changed, 7 insertions, 0 deletions

diff --git a/services/core/java/com/android/server/wm/BackNavigationController.java b/services/core/java/com/android/server/wm/BackNavigationController.java
index 1a70e6896d18..fc3419e8eb77 100644
--- a/services/core/java/com/android/server/wm/BackNavigationController.java
+++ b/services/core/java/com/android/server/wm/BackNavigationController.java
@@ -1038,6 +1038,12 @@ class BackNavigationController {
             return;
         }
 
+        if (mWindowManagerService.mRoot.mTransitionController.isCollecting()) {
+            Slog.v(TAG, "Skip predictive back transition, another transition is collecting");
+            cancelPendingAnimation();
+            return;
+        }
+
         // Ensure the final animation targets which hidden by transition could be visible.
         for (int i = 0; i < targets.size(); i++) {
             final WindowContainer wc = targets.get(i).mContainer;
@@ -1066,6 +1072,7 @@ class BackNavigationController {
             Slog.e(TAG, "Remote animation gone", e);
         }
         mPendingAnimationBuilder = null;
+        mNavigationMonitor.stopMonitorTransition();
     }
 
     /**