title: How to convert time to " time ago " in android
body: <p>My server. It return time : </p>
  
  <pre><code>"2016-01-24T16:00:00.000Z"
  </code></pre>
  
  <p>I want </p>
  
  <p>1 : convert to String.</p>
  
  <p>2 : I want it show " time ago " when load it from server.</p>
  
  <p>Please. Help me!</p>