Sino.Droid.AppMsg.MsgManager.Release C# (CSharp) Method

        public static void Release(Activity activity)
        {
            if (sManagers != null)
            {
                MsgManager manager = sManagers[activity];
                sManagers.Remove(activity);
                if (manager != null)
                {
                    manager.ClearAllMsg();
                }
            }
        }

 public void OnActivityDestroyed(Android.App.Activity activity)
 {
     MsgManager.Release(activity);
 }