IOS - 如何按下按鈕時將數字標籤重置爲零？

如何將標籤重置爲零，每當用戶點擊圖像時都會計數？我擁有的當前方法不起作用。IOS - 如何按下按鈕時將數字標籤重置爲零？

這裏是我相信你會需要的代碼：

int number = 0; 

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { 

UITouch *touch = [[event allTouches] anyObject]; 
CGPoint location = [touch locationInView:self.view]; 
if ([self Intersecting:location :Ball]) { 
    number++; 

    [labelCurrentNumber setText:[NSString stringWithFormat:@"%d", number]]; 

    } 
} 

-(IBAction)startMove { 
    buttonStart.hidden = YES; 
    Ball.hidden = NO; 
    labelEasy.hidden = YES; 
    buttonBack.hidden = YES; 

    Destination = CGPointMake(arc4random() % 320, arc4random() % 480); 
    xamt = ((Destination.x - Ball.center.x)/speed); 
    yamt = ((Destination.y - Ball.center.y)/speed); 

    mainTimer = [NSTimer scheduledTimerWithTimeInterval:(0.02) target:self selector:@selector(moveBall) userInfo:nil repeats: YES]; 
    mainInt = 20.00; 
    timer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(countDown) userInfo:nil repeats:YES]; 
}

請幫我，謝謝你提前。

來源

2011-09-20 cory ginsberg