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-rw-r--r--core/java/android/app/ActivityThread.java6
1 files changed, 6 insertions, 0 deletions
diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index 43f9d52..cc94aa0 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -2592,6 +2592,12 @@ public final class ActivityThread {
private final void handleWindowVisibility(IBinder token, boolean show) {
ActivityClientRecord r = mActivities.get(token);
+
+ if (r == null) {
+ Log.w(TAG, "handleWindowVisibility: no activity for token " + token);
+ return;
+ }
+
if (!show && !r.stopped) {
performStopActivityInner(r, null, show, false);
} else if (show && r.stopped) {