public void OnServiceConnected(ComponentName name, IBinder service)
        {
            this.Binder      = service as GpsTrackerServiceBinder;
            this.IsConnected = this.Binder != null;

            if (this.IsConnected)
            {
                this.mainActivity.ShowUpdates();
            }
        }
 public void OnServiceDisconnected(ComponentName name)
 {
     this.mainActivity = null;
     this.IsConnected  = false;
     this.Binder       = null;
 }