How to add dividers using and DividerItemDecoration

The DividerItemDecoration is a RecyclerView.ItemDecoration that can be used as a divider between items.

DividerItemDecoration mDividerItemDecoration = new DividerItemDecoration(context,
             mLayoutManager.getOrientation());
recyclerView.addItemDecoration(mDividerItemDecoration);

It supports both orientation using DividerItemDecoration.VERTICAL and DividerItemDecoration.HORIZONTAL.