diff --git a/core/java/android/app/INotificationManager.aidl b/core/java/android/app/INotificationManager.aidl
index 4c3e888157ee8..0deef53c478fb 100644
--- a/core/java/android/app/INotificationManager.aidl
+++ b/core/java/android/app/INotificationManager.aidl
@@ -58,6 +58,7 @@ interface INotificationManager
 
     void setShowBadge(String pkg, int uid, boolean showBadge);
     boolean canShowBadge(String pkg, int uid);
+    boolean hasSentValidMsg(String pkg, int uid);
     boolean isInInvalidMsgState(String pkg, int uid);
     boolean hasUserDemotedInvalidMsgApp(String pkg, int uid);
     void setInvalidMsgAppDemoted(String pkg, int uid, boolean isDemoted);
diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index 86d2e63975dbe..6ae58ec7feeaa 100755
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -3171,6 +3171,12 @@ public class NotificationManagerService extends SystemService {
             handleSavePolicyFile();
         }
 
+        @Override
+        public boolean hasSentValidMsg(String pkg, int uid) {
+            checkCallerIsSystem();
+            return mPreferencesHelper.hasSentValidMsg(pkg, uid);
+        }
+
         @Override
         public boolean isInInvalidMsgState(String pkg, int uid) {
             checkCallerIsSystem();