示例#1
0
        protected override void UpdateItemSpacing()
        {
            if (ItemsLayout == null)
            {
                return;
            }

            if (_itemDecoration != null)
            {
                RemoveItemDecoration(_itemDecoration);
            }

            _itemDecoration = CreateSpacingDecoration(ItemsLayout);
            AddItemDecoration(_itemDecoration);

            var adapter = GetAdapter();

            if (adapter != null)
            {
                adapter.NotifyItemChanged(_oldPosition);
                Carousel.ScrollTo(_oldPosition, position: Xamarin.Forms.ScrollToPosition.Center);
            }

            base.UpdateItemSpacing();
        }