RecyclerView which can listen scroll to the bottom or end.

DLRecyclerView.java

public class DLRecyclerView extends RecyclerView {

    public interface OnScrollListener {
        /**
         * only works when layoutmanager is LinearLayoutManager
         */
        public abstract void onScrollToEnd();
    }

    private OnScrollListener _onScrollListener;

    public void setOnScrollListener(OnScrollListener onScrollListener) {
        _onScrollListener = onScrollListener;
    }

    public DLRecyclerView(Context context) {
        super(context);
        init();
    }

    public DLRecyclerView(Context context, AttributeSet attrs) {
        super(context, attrs);
        init();
    }

    public DLRecyclerView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        init();
    }


    private boolean _loading = false;

    int pastVisibleItems, visibleItemCount, totalItemCount;

    public boolean isLoading() {
        return _loading;
    }

    public void setLoading(boolean loading) {
        this._loading = loading;
    }

    private void init() {
        if (!isInEditMode()) {
            setOnScrollListener(new RecyclerView.OnScrollListener() {
                @Override
                public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                    if (getLayoutManager() instanceof LinearLayoutManager) {
                        visibleItemCount = getLayoutManager().getChildCount();
                        totalItemCount = getLayoutManager().getItemCount();
                        pastVisibleItems = ((LinearLayoutManager) getLayoutManager()).findFirstVisibleItemPosition();
                        if (!_loading) {
                            if ((visibleItemCount + pastVisibleItems) >= totalItemCount) {
                                _loading = true;
                                if (_onScrollListener != null) {
                                    _onScrollListener.onScrollToEnd();
                                }
                            }
                        }
                    }
                }
            });
        }
    }
}