gistfile1.js

  var xhr = Titanium.Network.createHTTPClient();
  
  xhr.onload = function() {
    try {
      $(doc).find("rss channel item").each(function() {
        //do something with news items
      });
    }
    catch(e) {
      Titanium.API.debug(e);
    }
  };
  xhr.open('GET','http://somefeed.com/rss');
  xhr.send();