title: Open a map URL with MapKit
body: <p>I was wondering how can I open a google map URL with MapKit ?</p>
  
  <p>this code exit the application and shows the location but I want shows on my mapView. </p>
  
  <pre><code>NSString *urlString = @"http://maps.google.com/maps?daddr=San+Francisco,+CA&amp;saddr=cupertino";
  [[UIApplication sharedApplication] openURL: [NSURL URLWithString: urlString]];
  </code></pre>