title: Android Cardview Focusable
body: <p>My android app currently uses android cardview. However I want to make the cardview focusable so that it can be used on android tv with a remote. At the moment you cannot see what option you are selecting with a remote as it looks no different to the original. </p>
  
  <p>How can I make it so that when the cardview item is hovered it gets a gray tint or outline or something to show what option is selected?</p>