2 files changed, 17 insertions, 0 deletions
diff --git a/core/java/android/app/INotificationManager.aidl b/core/java/android/app/INotificationManager.aidl
index 92ec3ad..6cfb56e 100644
--- a/core/java/android/app/INotificationManager.aidl
+++ b/core/java/android/app/INotificationManager.aidl
@@ -46,4 +46,6 @@ interface INotificationManager
 
     void clearNotificationFromListener(in INotificationListener token, String pkg, String tag, int id);
     void clearAllNotificationsFromListener(in INotificationListener token);
+
+    StatusBarNotification[] getActiveNotificationsFromListener(in INotificationListener token);
 }
 \ No newline at end of file
diff --git a/core/java/android/service/notification/NotificationListenerService.java b/core/java/android/service/notification/NotificationListenerService.java
index 8b72ca9..6a5864c 100644
--- a/core/java/android/service/notification/NotificationListenerService.java
+++ b/core/java/android/service/notification/NotificationListenerService.java
@@ -124,6 +124,21 @@ public abstract class NotificationListenerService extends Service {
         }
     }
 
+    /**
+     * Request the list of outstanding notifications (that is, those that are visible to the
+     * current user). Useful when starting up and you don't know what's already been posted.
+     *
+     * @return An array of active notifications.
+     */
+    public StatusBarNotification[] getActiveNotifications() {
+        try {
+            return getNotificationInterface().getActiveNotificationsFromListener(mWrapper);
+        } catch (android.os.RemoteException ex) {
+            Log.v(TAG, "Unable to contact notification manager", ex);
+        }
+        return null;
+    }
+
     @Override
     public IBinder onBind(Intent intent) {
         if (mWrapper == null) {