title: Xamarin Forms - How do I add extra controls to the top bar in a MasterDetailPage?
body: <p>Please see the attached image:</p>
  
  <p><a href="http://i.stack.imgur.com/raxFO.png" rel="nofollow">Highlighted top bar in Android add</a></p>
  
  <p>How do I add items such as the ones highlighted in the picture, on the top bar (near the hamburger menu / title), when using a MasterDetailPage with Xamarin Forms?</p>
  
  <p>More precisely, I need to add these type of controls to the highlighted area in the second image:</p>
  
  <p><a href="http://i.stack.imgur.com/F8xlZ.png" rel="nofollow">Highlighted Xamaring Forms top bar</a></p>