private void SetupUiElements()
{
_mySimpleItemLoader = new MySimpleItemLoader();
_mySimpleItemLoader.LoadMoreItems(ItemsPerPage);
_gridView = FindViewById <GridView>(Resource.Id.gridView);
_gridviewAdapter = new MyGridViewAdapter(this, _mySimpleItemLoader);
_gridView.Adapter = _gridviewAdapter;
_gridView.Scroll += KeepScrollingInfinitely;
}
private void KeepScrollingInfinitely(object sender, AbsListView.ScrollEventArgs args)
{
lock (_scrollLockObject)
{
var mustLoadMore = args.FirstVisibleItem + args.VisibleItemCount >= args.TotalItemCount - LoadNextItemsThreshold;
if (mustLoadMore && _mySimpleItemLoader.CanLoadMoreItems && !_mySimpleItemLoader.IsBusy)
{
_mySimpleItemLoader.IsBusy = true;
Log.Info(TAG, "Requested to load more items");
_mySimpleItemLoader.LoadMoreItems(ItemsPerPage);
_gridviewAdapter.NotifyDataSetChanged();
_gridView.InvalidateViews();
}
}
}