title: UIView Background Image not showing
body: <p>I've defined a bg image in the Xcode Images.xcassets and want to use it as background for a view but the bg stays black. I'm using:</p>
  
  <pre><code>override func viewDidLoad()
  {
      super.viewDidLoad();
      view.backgroundColor = UIColor(patternImage: UIImage(named: "background_ipad"));
  }
  </code></pre>
  
  <p>this should work according to some other tickets on SO but for some reason the background stays black, not showing the image. Any ideas why this would happen?</p>