title: Android - create thumbnail from video
body: <p>I'm developing an app that user can upload videos from his media storage.
  The video is saved in Firebase Storage.
  After it i want to show all the videos in recyclerview (all the videos that the user uploaded).</p>
  
  <p>I want to show a thumbnail for each video, is it possibale to do? </p>
  
  <p>if yes, how shall i do that? </p>