// constructor
public RecyclerViewEndlessScrollListener(LinearLayoutManager layoutManager, NewsRecyclerAdapter adapter)
{
LayoutManager = layoutManager;
RecyclerViewAdapter = adapter;
TriggerThreshold = 1;
}
public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
// Swipe refresh layout.
swipeRefreshLayout = (SwipeRefreshLayout)inflater.Inflate(Resource.Layout.NewsFragment, container, false);
// Recycler view & setup.
recyclerView = swipeRefreshLayout.FindViewById <RecyclerView>(Resource.Id.newsfragment_recyclerview);
LinearLayoutManager linearLayoutManager = new LinearLayoutManager(Activity);
recyclerView.SetLayoutManager(linearLayoutManager);
// Prepare adapter (an empty one).
currentAdapter = new NewsRecyclerAdapter(Activity);
currentAdapter.ItemClick += (o, e) => OnNewsClick(e.ItemPosition);
currentAdapter.Error += OnError;
currentAdapter.ConnectionError += OnConnectionError;
currentAdapter.NoData += OnNoData;
currentAdapter.Loading += OnLoading;
currentAdapter.Loaded += OnLoaded;
recyclerView.SetAdapter(currentAdapter);
// Apply scroll listener to recyclerview.
endlessScrollListener = new RecyclerViewEndlessScrollListener(linearLayoutManager, currentAdapter);
endlessScrollListener.ThresholdReached += async(o, e) => await currentAdapter.LoadMore();
endlessScrollListener.Scroll += HandleScroll;
recyclerView.AddOnScrollListener(endlessScrollListener);
// swipe refresh layout events setup
swipeRefreshLayout.Refresh += async(o, e) => await currentAdapter.RefreshNews();
return(swipeRefreshLayout);
}