public override void OnBackPressed()
 {
     try
     {
         VideoActionsController.SetStopvideo();
         base.OnBackPressed();
     }
     catch (Exception e)
     {
         Crashes.TrackError(e);
     }
 }
        protected override void OnDestroy()
        {
            try
            {
                VideoActionsController.SetStopvideo();
                ImageService.Instance.InvalidateMemoryCache();

                if (_adView != null)
                {
                    _adView.Destroy();
                }

                base.OnDestroy();
            }
            catch (Exception exception)
            {
                Crashes.TrackError(exception);
            }
        }