createInfiniteScrollListener.java

private InfiniteScrollListener createInfiniteScrollListener() {
  return new InfiniteScrollListener(maxItemsPerRequest, layoutManager) {
    @Override public void onScrolledToEnd(final int firstVisibleItemPosition) {
      // load your items here
      // logic of loading items will be different depending on your specific use case

      // when new items are loaded, combine old and new items, pass them to your adapter
      // and call refreshView(...) method from InfiniteScrollListener class to refresh RecyclerView
      refreshView(recyclerView, new MyAdapter(items), firstVisibleItemPosition);
    }
  }
}