An object implementing the
GKAchievementViewControllerDelegate protocol is called when the user dismisses the achievements view controller. Typically, this protocol is implemented by the object in your game that originally displayed the achievements user interface.
- achievementViewControllerDidFinish:(iOS 7.0) Required
Called when the user dismisses the achievements user interface.
- (void)achievementViewControllerDidFinish:(GKAchievementViewController *)
The achievement view controller whose interface was dismissed by the player.
Your delegate should dismiss the view controller. If your game paused any gameplay or other activities, it can restart those services in this method.
Available in iOS 4.1 and later.
Deprecated in iOS 7.0.