Merge "Fix blocking task switch when 3P launcher is used." into tm-qpr-dev am: b7b84320d4 am: 9a4eb43b6b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20542766

Change-Id: I950f018e551ad5bab2868be5f3ad8235378810f6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/services/core/java/com/android/server/wm/AppTransitionController.java b/services/core/java/com/android/server/wm/AppTransitionController.java
index 5380de760a82..fca974325b3b 100644
--- a/services/core/java/com/android/server/wm/AppTransitionController.java
+++ b/services/core/java/com/android/server/wm/AppTransitionController.java
@@ -1212,13 +1212,23 @@ public class AppTransitionController {
                     "Delaying app transition for screen rotation animation to finish");
             return false;
         }
+        final boolean isRecentsInOpening = mDisplayContent.mOpeningApps.stream().anyMatch(
+                ConfigurationContainer::isActivityTypeRecents);
         for (int i = 0; i < apps.size(); i++) {
             WindowContainer wc = apps.valueAt(i);
             final ActivityRecord activity = getAppFromContainer(wc);
             if (activity == null) {
                 continue;
             }
-            if (activity.isAnimating(PARENTS, ANIMATION_TYPE_RECENTS)) {
+            // In order to avoid visual clutter caused by a conflict between app transition
+            // animation and recents animation, app transition is delayed until recents finishes.
+            // One exceptional case. When 3P launcher is used and a user taps a task screenshot in
+            // task switcher (isRecentsInOpening=true), app transition must start even though
+            // recents is running. Otherwise app transition is blocked until timeout (b/232984498).
+            // When 1P launcher is used, this animation is controlled by the launcher outside of
+            // the app transition, so delaying app transition doesn't cause visible delay. After
+            // recents finishes, app transition is handled just to commit visibility on apps.
+            if (!isRecentsInOpening && activity.isAnimating(PARENTS, ANIMATION_TYPE_RECENTS)) {
                 ProtoLog.v(WM_DEBUG_APP_TRANSITIONS,
                         "Delaying app transition for recents animation to finish");
                 return false;