1 files changed, 5 insertions, 4 deletions
diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index f212b6dd36b6..ae812ece4c98 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -530,8 +530,9 @@ public final class ActivityThread extends ClientTransactionHandler
         // A reusable token for other purposes, e.g. content capture, translation. It shouldn't be
         // used without security checks
         public IBinder shareableActivityToken;
-        // The token of the TaskFragment that embedded this activity.
-        @Nullable public IBinder mTaskFragmentToken;
+        // The token of the initial TaskFragment that embedded this activity. Do not rely on it
+        // after creation because the activity could be reparented.
+        @Nullable public IBinder mInitialTaskFragmentToken;
         int ident;
         @UnsupportedAppUsage
         Intent intent;
@@ -626,7 +627,7 @@ public final class ActivityThread extends ClientTransactionHandler
                 boolean isForward, ProfilerInfo profilerInfo, ClientTransactionHandler client,
                 IBinder assistToken, FixedRotationAdjustments fixedRotationAdjustments,
                 IBinder shareableActivityToken, boolean launchedFromBubble,
-                IBinder taskFragmentToken) {
+                IBinder initialTaskFragmentToken) {
             this.token = token;
             this.assistToken = assistToken;
             this.shareableActivityToken = shareableActivityToken;
@@ -648,7 +649,7 @@ public final class ActivityThread extends ClientTransactionHandler
             mActivityOptions = activityOptions;
             mPendingFixedRotationAdjustments = fixedRotationAdjustments;
             mLaunchedFromBubble = launchedFromBubble;
-            mTaskFragmentToken = taskFragmentToken;
+            mInitialTaskFragmentToken = initialTaskFragmentToken;
             init();
         }