public void setOnRecyclerViewScrollListener( RecyclerView recyclerView, OnRecyclerViewScrollLocationListener onRecyclerViewScrollLocationListener) { ensureRecyclerViewScrollManager(); recyclerViewScrollManager.setOnRecyclerViewScrollLocationListener( onRecyclerViewScrollLocationListener); recyclerViewScrollManager.setOnScrollManagerLocation(this); recyclerViewScrollManager.registerScrollListener(recyclerView); }