title: Change quality of video streaming in ExoPlayer
body: <p>i am creating <strong>IPTV</strong> app. In this use <strong>Exoplayer</strong> for <strong>video streaming</strong> and now requirement is change Quality of video at runtime (Auto, 720p, 1080p, HD) like Youtube.</p>
  
  <p>i have found 2-3 solution but i don't understand how to implement that.</p>
  
  <p><a href="https://i.stack.imgur.com/1KgV3.png" rel="noreferrer"><img src="https://i.stack.imgur.com/1KgV3.png" alt="enter image description here"></a></p>