diff --git a/services/core/java/com/android/server/wm/ActivityStartController.java b/services/core/java/com/android/server/wm/ActivityStartController.java
index d131457cb9a20..8cbd9fc4cc8d2 100644
--- a/services/core/java/com/android/server/wm/ActivityStartController.java
+++ b/services/core/java/com/android/server/wm/ActivityStartController.java
@@ -50,6 +50,7 @@ import android.util.Slog;
 import android.util.SparseArray;
 import android.view.RemoteAnimationAdapter;
 import android.view.WindowManager;
+import android.window.RemoteTransition;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.util.ArrayUtils;
@@ -566,14 +567,39 @@ public class ActivityStartController {
             return false;
         }
         mService.mRootWindowContainer.startPowerModeLaunchIfNeeded(true /* forceSend */, r);
-        final ActivityMetricsLogger.LaunchingState launchingState =
-                mSupervisor.getActivityMetricsLogger().notifyActivityLaunching(intent);
-        final Task task = r.getTask();
-        mService.deferWindowLayout();
-        try {
+        final RemoteTransition remote = options.getRemoteTransition();
+        if (remote != null && rootTask.mTransitionController.isCollecting()) {
+            final Transition transition = new Transition(WindowManager.TRANSIT_TO_FRONT,
+                    0 /* flags */, rootTask.mTransitionController,
+                    mService.mWindowManager.mSyncEngine);
+            // Special case: we are entering recents while an existing transition is running. In
+            // this case, we know it's safe to "defer" the activity launch, so lets do so now so
+            // that it can get its own transition and thus update launcher correctly.
+            mService.mWindowManager.mSyncEngine.queueSyncSet(
+                    () -> rootTask.mTransitionController.moveToCollecting(transition),
+                    () -> {
+                        final Task task = r.getTask();
+                        task.mTransitionController.requestStartTransition(transition,
+                                task, remote, null /* displayChange */);
+                        task.mTransitionController.collect(task);
+                        startExistingRecentsIfPossibleInner(intent, options, r, task, rootTask);
+                    });
+        } else {
+            final Task task = r.getTask();
             task.mTransitionController.requestTransitionIfNeeded(WindowManager.TRANSIT_TO_FRONT,
                     0 /* flags */, task, task /* readyGroupRef */,
                     options.getRemoteTransition(), null /* displayChange */);
+            startExistingRecentsIfPossibleInner(intent, options, r, task, rootTask);
+        }
+        return true;
+    }
+
+    void startExistingRecentsIfPossibleInner(Intent intent, ActivityOptions options,
+            ActivityRecord r, Task task, Task rootTask) {
+        final ActivityMetricsLogger.LaunchingState launchingState =
+                mSupervisor.getActivityMetricsLogger().notifyActivityLaunching(intent);
+        mService.deferWindowLayout();
+        try {
             r.mTransitionController.setTransientLaunch(r,
                     TaskDisplayArea.getRootTaskAbove(rootTask));
             task.moveToFront("startExistingRecents");
@@ -585,7 +611,6 @@ public class ActivityStartController {
             task.mInResumeTopActivity = false;
             mService.continueWindowLayout();
         }
-        return true;
     }
 
     void registerRemoteAnimationForNextActivityStart(String packageName,