objective-c - 按下 UIButton 后 UILabel 显示 3 秒

Question

按下暂停按钮后，我希望出现一个标签，直到用户点击屏幕。我该怎么做？

到目前为止我已经有了这个

- (IBAction)ButtonPausePressed:(id)sender {

 PauseLabel.hidden = false (//how do i make it only visible until user taps?//)

if (GameEnd != true){
    if ([GameUpdate isValid]){
        [GameUpdate invalidate];
        [BirdUpdate invalidate];
    }else{
        BirdUpdate = [NSTimer scheduledTimerWithTimeInterval:0.015
                                                      target:self
                                                    selector:@selector(UpdateBird)
                                                    userInfo:nil
                                                     repeats:YES];
        GameUpdate = [NSTimer scheduledTimerWithTimeInterval:0.025
                                                      target:self
                                                    selector:@selector(GameUpdate)
                                                    userInfo:nil
                                                     repeats:YES];
    }
}
}

Answer 1

- (IBAction)ButtonPausePressed:(id)sender { 
   PauseLabel.hidden = false
   [self performSelector:@selector(hiddenLabel) withObject:nil afterDelay:3];
   ...
}

- (void)hiddenLabel{
    PauseLabel.hidden = YES;
}