title: How to clear Intent that started Activity?
body: <p>At the beginning Activity is launched by an Intent and something  is done with this Intent. </p>
  
  <p>When I change orientation of my Activity, it's reloaded again and Intent is passed to the Activity. </p>
  
  <p>How can I clear that Intent to prevent Activity from using it again? </p>
  
  <p>I've tried <code>setIntent(null)</code>, but with no result.</p>