title: FBSDKApplicationDelegate application openURL:sourceApplication:annotation deprecated
body: <p>with iOS9 application openURL:sourceApplication:annotation is deprecated</p>
  
  <pre><code>func application(application: UIApplication, openURL url: NSURL, sourceApplication: String?, annotation: AnyObject?) -&gt; Bool {
      return FBSDKApplicationDelegate.sharedInstance().application(application, openURL: url, sourceApplication: sourceApplication, annotation: annotation)
  }
  </code></pre>
  
  <p>so now we should use;</p>
  
  <pre><code>func application(app: UIApplication, openURL url: NSURL, options: [String : AnyObject]) -&gt; Bool {}
  </code></pre>
  
  <p>FBSDKApplicationDelegate what to set for sourceApplication parameter (String) </p>