title: iOS Google+ App not returning back to app after user select Share or Cancel
body: <p>I have an google+ api app the logs into google+ and share just fine but it doesn't return back to the app after posting or canceling the post i tried debugging it and it does not enter the - (void)finishedSharing:(BOOL)shared { </p>
  
  <pre><code>    - (IBAction)googlePlusPost:(id)sender {
      SLServiceTitle = @"Google+";
  
  
      /*[[[[share shareDialog] setURLToShare:[NSURL URLWithString:urlToShare]]
      setPrefillText:textToShare] open];*/
  
     [GPPShare sharedInstance].delegate = self;
     id&lt;GPPShareBuilder&gt; shareBuilder = [[GPPShare sharedInstance] shareDialog];
  
     // This line will manually fill out the title, description, and thumbnail of the
     // item you're sharing.
     // thumbnailURL is url of image you want to display.
     [shareBuilder setTitle:@"Title of your post"
             description:@"Description of your post"
            thumbnailURL:[NSURL URLWithString:urlToShare]];
  
     /* This line passes the deepLinkID to our application
     if somebody opens the link on a supported mobile device */
     [shareBuilder setContentDeepLinkID:@"share"];
  
     // set the text of post. user can edit this before sharing.
     [shareBuilder setPrefillText:textToShare];
  
     [shareBuilder open];
     }
  </code></pre>