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POxcode "Done Button" GameCenter doesn´t do anything
 

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    <p>this is my first app including the gamecenter, and i have a little problem with it. i implemented some code i found in the net that should work. Everything works fine, except for "done button" :(</p> <p>.m</p> <pre><code> #import &lt;GameKit/GameKit.h&gt; - (void)viewDidLoad { [[GKLocalPlayer localPlayer] authenticateWithCompletionHandler:^(NSError *error) { if (error == nil) NSLog(@"Authentication Successful!"); else NSLog(@"Authentication Failed!"); }]; -(IBAction)subscore{ GKScore *scoreReporter = [[GKScore alloc] initWithCategory:@"lrhseasy"]; scoreReporter.value = score; [scoreReporter reportScoreWithCompletionHandler:^(NSError *error) { if (error != nil) { NSLog(@"Submitting a score failed!"); } else { NSLog(@"Submitting succeeded!"); } }]; } -(IBAction)showLeader{ GKLeaderboardViewController *leaderboardController = [[GKLeaderboardViewController alloc]init]; if (leaderboardController != nil) { //leaderboardController.leaderboardDelegate = self; [self presentModalViewController:leaderboardController animated:YES]; } } - (void)leaderboardViewControllerDidFinish:(GKLeaderboardViewController *)viewController { NSLog(@"Close leaderboard"); [self dismissModalViewControllerAnimated:YES]; [viewController.view.superview removeFromSuperview]; } </code></pre> <p>The last function isn´t called, when the done button is pressed - i don´t get "close leaderboard" in the debug console.</p> <p>After searching for 3 hours, the only thing i found was "<strong>Did you add GKLeaderboardViewControllerDelegate to the list of protocols that this class implements?</strong> " but i do not know what this means or how its done :( </p>
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