private async void FavoritesListView_ChildViewRemoved(object sender, ViewGroup.ChildViewRemovedEventArgs e)
{
var itemViewHolder = (e.Child.Tag as FavoriteListAdapter.ItemViewHolder);
await _favoritesService.RemoveFavoriteAsync(itemViewHolder.Favorite);
if (_favorites.Count == 0)
{
_placeHolder.StartAnimation(_placeHolderAnimation);
_placeHolder.Visibility = ViewStates.Visible;
}
}