addOnScrollListener.java

@Override protected void onCreate(Bundle savedInstanceState) {
  recyclerView = (RecyclerView) findViewById(R.id.recycler_view);

  layoutManager = new LinearLayoutManager(this);
  recyclerView.setHasFixedSize(true);
  recyclerView.setLayoutManager(layoutManager);

  // set your custom adapter
  recyclerView.setAdapter(new MyAdapter(items));

  // add InfiniteScrollListener as OnScrollListener
  recyclerView.addOnScrollListener(createInfiniteScrollListener());
}