private void favoriteChanged (object sender, FavoriteChangedEventArgs e) {
			if (this.category.CategoryName == "Your Favorites") {
				this.cvMovies.ReloadData ();
			} else {
				if (this.category.Movies.Find (x => x.Id == e.FavoriteMovie.Id) != null)
					this.cvMovies.ReloadData ();
			}
		}
		private void favoriteChanged (object sender, FavoriteChangedEventArgs e) {
			if (this.similarMovies.FirstOrDefault (x => x.Id == e.FavoriteMovie.Id) != null)
				this.cvSimilarMovies.ReloadData ();
		}
		private void favoriteChanged (object sender, FavoriteChangedEventArgs e) {
			if (this.isFavorites) {
				this.NotifyDataSetChanged ();
			} else {
				var idx = this.getIndexOfFavorite (e.FavoriteMovie.Id);
				if (idx >= 0)
					this.NotifyItemRangeChanged (idx, 1);
			}
		}