title: How to add MediaPlayer controls on lock screen?
body: <p>I want to achieve something like how SoundCloud and Google Play Music display a flippable widget on the lock screen when playing songs. I've tried Google searching this, but can't seem to find anything on the subject matter. Below is a screenshot of what I want...</p>
  
  <p><img src="https://i.stack.imgur.com/acJTd.png" alt="enter image description here"></p>
  
  <p>This is of course the flipped view. It seems like this is pretty standard for a lot of apps, so there is probably some type of pre-build Android class to create something like this, but I have no idea where to start to look. Thanks!</p>