title: How to make an icon in the action bar with the number of notification?
body: <p>I would like to make a notification icon in the action bar to inside the number of notifications.</p>
  
  <p>For example (<a href="https://play.google.com/store/apps/details?id=com.google.android.apps.ads.publisher" rel="noreferrer">Google Adsence</a>) :</p>
  
  <p><img src="https://i.stack.imgur.com/ZQ4pp.png" alt="Action Bar Google Adsence"></p>
  
  <p>I found this answer on stackoverflow, but it does not fully answer my question because in this case it is only the number and not an icon with a number: <a href="https://stackoverflow.com/q/17696486/1832221">Actionbar notification icon with count</a></p>