Gesture - Tap单击

1。A tap gesture :discrete gesture (不连续手势)

- (void)addGesture {

    UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc]  initWithTarget:self action:@selector(handleTaps:)];

    

    /* 接触的手指个数 */

    tapGesture.numberOfTouchesRequired = 2;

    

    /* The total number of taps to be performed before the  gesture is recognized */

    tapGesture.numberOfTapsRequired = 3;

    [self.view addGestureRecognizer:tapGesture];

}

- (void) handleTaps:(UITapGestureRecognizer*)paramSender{

    

    NSUInteger touchCounter = 0;

    for (touchCounter = 0;

         touchCounter < paramSender.numberOfTouchesRequired;

         touchCounter++){

        CGPoint touchPoint =

        [paramSender locationOfTouch:touchCounter

                              inView:paramSender.view];

        NSLog(@"Touch #%lu: %@",

              (unsigned long)touchCounter+1,

              NSStringFromCGPoint(touchPoint));

    }

    

}