title: Floating action button in Tumblr app after they apply matirial design theme
body: <p>I would like to ask, how you can develop an animation floating button such that one in Tumblr android app?</p>
  
  <p>I know how to make floating action button, but i don't know how to animate it and make it floating on screen.</p>
  
  <p>UPDATED </p>
  
  <p>I found the official library</p>
  
  <p>"A motion-driven animation framework for Android"</p>
  
  <p><a href="https://github.com/tumblr/Backboard" rel="nofollow">https://github.com/tumblr/Backboard</a></p>