loadXMLFromString and GetCurrentLocation

AndroidPlacesTutorial_HttpTestActivity_Part_4.java

public static Document loadXMLFromString(String xml) throws Exception {
  DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
  DocumentBuilder builder = factory.newDocumentBuilder();

  InputSource is = new InputSource(new StringReader(xml));

  return builder.parse(is);
}

private class GetCurrentLocation extends AsyncTask<Object, String, Boolean> {

  @Override
  protected Boolean doInBackground(Object... myLocationObjs) {
      if(null != latitude && null != longitude) {
          return true;
      } else {
          return false;
      }
  }

  @Override
  protected void onPostExecute(Boolean result) {
      super.onPostExecute(result);
      assert result;
      query.append("https://maps.googleapis.com/maps/api/place/nearbysearch/xml?");
      query.append("location=" +  latitude + "," + longitude + "&");
      query.append("radius=" + radius + "&");
      query.append("types=" + type + "&");
      query.append("sensor=true&"); //Must be true if queried from a device with GPS
      query.append("key=" + APIKEY);
      new QueryGooglePlaces().execute(query.toString());
  }
}