title: UnknownHostException when accessing api.twitter.com
body: <p>I'm trying to access this list of public twitts here,<br>
  from an android application through a HttpClient:  </p>
  
  <p><strong><a href="http://api.twitter.com/1/statuses/public_timeline.json" rel="noreferrer">http://api.twitter.com/1/statuses/public_timeline.json</a><a href="http://api.twitter.com/1/statuses/public_timeline.json" rel="noreferrer"></a></strong>  </p>
  
  <p>I keep getting an Exception when connecting:  </p>
  
  <pre><code>java.net.UnknownHostException: api.twitter.com
  </code></pre>
  
  <p>Why is this happening?<br>
  How can I fix this?  </p>
  
  <p>Thank you</p>