title: Android: Hide Volume change bar from device?
body: <p>is there a way to hide the volume change bar/notification (however you might call it..btw. how do you call it?) ?</p>
  
  <p><img src="https://i.stack.imgur.com/3Uo0u.png" alt="screenshot nexus on volume change"></p>
  
  <p>i attached a screenshot above. this bar is shown everytime i change the volume (at least on my nexus test device). or is this a nexus special?</p>