protected override bool OnNotificationOpened(Context context, AirshipReceiver.NotificationInfo notificationInfo, AirshipReceiver.ActionButtonInfo actionButtonInfo)
        {
            Log.Info (TAG, "User clicked notification button. Button ID: " + actionButtonInfo.ButtonId + " Alert: " + notificationInfo.Message.Alert);

            // Return false here to allow Urban Airship to auto launch the launcher
            // activity for foreground notification action buttons
            return false;
        }
 protected override void OnNotificationPosted(Context context, AirshipReceiver.NotificationInfo notificationInfo)
 {
     Log.Info (TAG, "Notification posted. Alert: " + notificationInfo.Message.Alert + ". Notification ID: " + notificationInfo.NotificationId);
 }