title: Need a tutorial for iOS to play video files in my application
body: <p>I am going to build an iOS app that will download video from my web services to play offline in the application.</p>
  
  <p>I am looking for a tutorial that will show me the basics which will include:</p>
  
  <ol>
  <li>Downloading the video file from the web</li>
  <li>Storing it in a data store for my application (what structure / location)</li>
  <li>Playing this video from my data store</li>
  <li>What video format I require </li>
  </ol>