xml setup

Show empty view when the adapter is null:

<com.marshalchen.ultimaterecyclerview.UltimateRecyclerView
...
app:recyclerviewEmptyView="@layout/empty_view"/>

Show custom FloatingView(Both menu and button are fine. It is easy to set click event on them) when the adapter is null:

<com.marshalchen.ultimaterecyclerview.UltimateRecyclerView
...
 app:recyclerviewFloatingActionView="@layout/floating_view"/>

Set custom colorful style of pull to refresh:

 <com.marshalchen.ultimaterecyclerview.CustomUltimateRecyclerview
 .../>

Using CustomUltimateRecyclerview instead of UltimateRecyclerView ultimateRecyclerView.setCustomSwipeToRefresh();

Set scrollbars of RecyclerView by set attributes of UltimateRecyclerView in xml layout:

<com.marshalchen.ultimaterecyclerview.UltimateRecyclerView
        app:recyclerviewScrollbars="vertical" />                

Note that set scrollbars of RecyclerView dynamically by code is NOT SUPPORTED refer to this