public override void DidEnterBackground(UIApplication application)
 {
     if (MonoMobileApplication.DidEnterBackgroundAction != null)
     {
         MonoMobileApplication.DidEnterBackgroundAction(application);
     }
 }
 public override void WillEnterForeground(UIApplication application)
 {
     if (MonoMobileApplication.ResumeFromBackgroundAction != null)
     {
         MonoMobileApplication.ResumeFromBackgroundAction();
     }
 }
 public override void ReceivedLocalNotification(UIApplication application, UILocalNotification notification)
 {
     if (MonoMobileApplication.ReceivedLocalNoticiationAction != null)
     {
         MonoMobileApplication.ReceivedLocalNoticiationAction(notification);
     }
 }