public override RecyclerView.ViewHolder OnCreateViewHolder(ViewGroup parent, int viewType)
        {
            View itemView             = LayoutInflater.From(parent.Context).Inflate(Resource.Layout.cart_list_item, parent, false);
            CartListItemViewHolder vh = new CartListItemViewHolder(itemView, OnClick);

            return(vh);
        }
        public override void OnBindViewHolder(RecyclerView.ViewHolder holder, int position)
        {
            CartListItemViewHolder vh = holder as CartListItemViewHolder;

            vh.Image.SetImageBitmap(items[position].itemImage);
            vh.Name.Text      = items[position].itemName;
            vh.Rating.Rating  = items[position].itemRating;
            vh.Category.Text  = items[position].itemCategory;
            vh.Price.Text     = items[position].itemPrice.ToString();
            vh.quantity.Text += items[position].itemQuantity.ToString();
        }