diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java index 10707b255c293..a1d42c0913342 100644 --- a/services/core/java/com/android/server/am/ActivityManagerService.java +++ b/services/core/java/com/android/server/am/ActivityManagerService.java @@ -8768,6 +8768,14 @@ public class ActivityManagerService extends IActivityManager.Stub @Override public boolean isAppForeground(int uid) { + int callerUid = Binder.getCallingUid(); + if (UserHandle.isCore(callerUid) || callerUid == uid) { + return isAppForegroundInternal(uid); + } + return false; + } + + private boolean isAppForegroundInternal(int uid) { synchronized (this) { UidRecord uidRec = mActiveUids.get(uid); if (uidRec == null || uidRec.idle) {