Having two single-selection groups in ActionBar doesn't work, but attaching a pop up menu instead doesn't work either

Question

I am writing an Android app where the user must choose how and what to display on a graph. These options are expressed in two single-selection menu groups (radio but

Answer 1

I found an elegant way to solve this that was unfortunately not in the documentation. Add the following code to your ActionBar menu XML:

No extra handler code or popup menu implementation is necessary for such a menu to appear.