我这样称呼排行榜:
-(void)viewscores:(SPEvent*)event
{
GKLeaderboardViewController *leaderboardController = [[GKLeaderboardViewController alloc] init];
if (leaderboardController != nil) {
leaderboardController.leaderboardDelegate = self;
UIWindow* window = [UIApplication sharedApplication].keyWindow;
[window addSubview: self.rootViewController];
[self presentModalViewController: leaderboardController animated: YES];
}
}
当我单击排行榜按钮时,我收到一个错误:
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '+[UIViewController presentModalViewController:animated:]: unrecognized selector sent to class 0x3e2fc7f8'
这是正常的吗?