Navigation Drawer: Add Titles to Groups, Not Items

Question

I have a standard Navigation Drawer, pre-created by Android Studio and want to populate it with number of groups. I started with this:

Answer 1

Here is well defined how to create menus.

http://developer.android.com/guide/topics/ui/menus.html

So in your case create your list in this order item->menu->group. that is to say:

 
     
         
             
            
                .   .   .
                .   .   .