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POGame center score is not posting
 

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  1. POGame center score is not posting
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    <p>I'm trying to add the score at the end of the game to Game Center but it's adding nothing to the game center. I'm searching all day long for the 'mistake' i made but i do not see anything?</p> <p>Here is a little bit of the code i us.</p> <h2>.h</h2> <pre><code>#import &lt;UIKit/UIKit.h&gt; #import &lt;Foundation/Foundation.h&gt; #import &lt;GameKit/GameKit.h&gt; @class GKLeaderboard, GKAchievement, GKPlayer; int counter; @protocol TopscoreDelegate &lt;NSObject&gt; @optional - (void) processGameCenterAuth: (NSError*) error; - (void) scoreReported: (NSError*) error; - (void) reloadScoresComplete: (GKLeaderboard*) leaderBoard error: (NSError*) error; @end @interface Topscore : UIViewController &lt;NSObject&gt; { AVAudioPlayer *audioPlayer; IBOutlet UILabel *count; Topscore* Topscore; } - (IBAction)tweetTapped:(id)sender; - (IBAction) subScore; - (IBAction) showLeader; - (void) reportScore; @property (nonatomic, assign) id &lt;TopscoreDelegate&gt; delegate; + (BOOL) isGameCenterAvailable; - (void) authenticateLocalUser; @property (nonatomic, retain) Topscore *Topscore; @property (nonatomic, retain) NSString* currentLeaderBoard; @property (nonatomic, retain) UILabel *count; @property(nonatomic, readonly, retain) NSDate *date; - (void) reportScore: (int64_t) score forCategory: (NSString*) category; - (void) reloadHighScoresForCategory: (NSString*) category; @end </code></pre> <p>And the .m file looks like; i have a button in the xib file wich is connected to the IBAction <code>Subscore</code>. i'm not receiving errors but only a few warnings.</p> <pre><code>PerformSelector may cause a leak because its selector is unknown </code></pre> <p>This warning on line; </p> <blockquote> <p>[delegate performSelector: selector withObject: arg withObject: err];</p> </blockquote> <h2>.m</h2> <pre><code>@interface Topscore () @property (strong, nonatomic) NSString *imageString; @property (strong, nonatomic) NSString *urlString; - (void)clearLabels; @end @implementation Topscore @synthesize count, date, urlString = _urlString, imageString = _imageString, delegate, Topscore, currentLeaderBoard; - (void) callDelegate: (SEL) selector withArg: (id) arg error: (NSError*) err { assert([NSThread isMainThread]); if([delegate respondsToSelector: selector]) { if(arg != NULL) { [delegate performSelector: selector withObject: arg withObject: err]; } else { [delegate performSelector: selector withObject: err]; } } else { NSLog(@"Missed Method"); } } - (void) callDelegateOnMainThread: (SEL) selector withArg: (id) arg error: (NSError*) err { dispatch_async(dispatch_get_main_queue(), ^(void) { [self callDelegate: selector withArg: arg error: err]; }); } //.. + (BOOL) isGameCenterAvailable { // check for presence of GKLocalPlayer API Class gcClass = (NSClassFromString(@"GKLocalPlayer")); // check if the device is running iOS 4.1 or later NSString *reqSysVer = @"4.1"; NSString *currSysVer = [[UIDevice currentDevice] systemVersion]; BOOL osVersionSupported = ([currSysVer compare:reqSysVer options:NSNumericSearch] != NSOrderedAscending); return (gcClass &amp;&amp; osVersionSupported); } - (void) authenticateLocalUser { if([GKLocalPlayer localPlayer].authenticated == NO) { [[GKLocalPlayer localPlayer] authenticateWithCompletionHandler:^(NSError *error) { [self callDelegateOnMainThread: @selector(processGameCenterAuth:) withArg: NULL error: error]; }]; } } - (void) reloadHighScoresForCategory: (NSString*) category { GKLeaderboard* leaderBoard= [[GKLeaderboard alloc] init]; leaderBoard.category= category; leaderBoard.timeScope= GKLeaderboardTimeScopeAllTime; leaderBoard.range= NSMakeRange(1, 1); [leaderBoard loadScoresWithCompletionHandler: ^(NSArray *scores, NSError *error) { [self callDelegateOnMainThread: @selector(reloadScoresComplete:error:) withArg: leaderBoard error: error]; }]; } //.. - (void) showAlertWithTitle: (NSString*) title message: (NSString*) message { UIAlertView* alert= [[UIAlertView alloc] initWithTitle: title message: message delegate: NULL cancelButtonTitle: @"OK" otherButtonTitles: NULL]; [alert show]; } - (void) scoreReported: (NSError*) error; { if(error == NULL) { [self.Topscore reloadHighScoresForCategory: self.currentLeaderBoard]; [self showAlertWithTitle: @"High Score Reported!" message: [NSString stringWithFormat: @"", [error localizedDescription]]]; } else { [self showAlertWithTitle: @"Score Report Failed!" message: [NSString stringWithFormat: @"Reason: %@", [error localizedDescription]]]; } } - (IBAction) subScore { GKScore *scoreReporter = [[GKScore alloc] initWithCategory:@"01"]; scoreReporter.value = counter; [scoreReporter reportScoreWithCompletionHandler:^(NSError *error) { if (error != nil) { NSLog(@"Failed: %i", counter); } else { NSLog(@"Succes: %i", counter); [self callDelegateOnMainThread: @selector(scoreReported:) withArg: NULL error: error]; } }]; } </code></pre> <p>Please if u need more code just ask me!</p> <p>PS: The leaderbord is showing up but the scores posting/adding not adding after clicking on the button (IBAction)</p>
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    1. COStart a recurrent timer the first time the button's pressed. Have the timer delegate update the time display. You'll need a flag in your button handler routine to know that you've started the timer, so you know to count presses vs starting the timer. When the time expires, disable the button.
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    2. CONot the answer i was looking for..?
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    3. COWhat is with **`[delegate performSelector: selector withObject: arg withObject: err];`**. Why would you need 2 **withObject**'s?
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