C# (CSharp) Android.Support.V7.Widget RecyclerView.GetAdapter Examples

Example #1

        public override void OnScrolled(Android.Support.V7.Widget.RecyclerView recyclerView, int dx, int dy)
        {
            LinearLayoutManager layoutManager = (LinearLayoutManager)recyclerView.GetLayoutManager();

            int firstVisible = layoutManager.FindFirstVisibleItemPosition();
            int visibleCount = Math.Abs(firstVisible - layoutManager.FindLastCompletelyVisibleItemPosition());
            int itemCount    = recyclerView.GetAdapter().ItemCount;

            if (firstVisible != _lastFirstVisible || visibleCount != _lastVisibleCount || itemCount != _lastItemCount)
            {
                _scrollListener.OnScroll(null, firstVisible, visibleCount, itemCount);
                _lastVisibleCount = firstVisible;
                _lastVisibleCount = visibleCount;
                _lastItemCount    = itemCount;
            }
        }