iOS手势UIGestureRecognizer

numberOfTouchesRequired   

UITapGestureRecognizer *tapGestureRecognizer = [[UITapGestureRecognizer alloc] init];   [tapGestureRecognizer addTarget:self action:@selector(gestureRecognizerHandle:)];   [tapGestureRecognizer setNumberOfTapsRequired:2];   [tapGestureRecognizer setNumberOfTouchesRequired:2];   [self.view addGestureRecognizer:tapGestureRecognizer];   [tapGestureRecognizer release];  

2.UIPinchGestureRecognizer （两个手指捏合动作）

// 手指捏合，大于1表示两个手指之间的距离变大，小于1表示两个手指之间的距离变小

scale

// 手指捏合动作时的速率（加速度）

velocity

UIPinchGestureRecognizer *pinchGestureRecognizer = [[UIPinchGestureRecognizer alloc] init];   [pinchGestureRecognizer addTarget:self action:@selector(gestureRecognizerHandle:)];   [self.view addGestureRecognizer:pinchGestureRecognizer];   [pinchGestureRecognizer release];  

3.UIPanGestureRecognizer (摇动或者拖拽)

// 最少手指个数

minimumNumberOfTouches

// 最多手指个数

maximumNumberOfTouches

UIPanGestureRecognizer *panGestureRecognizer = [[UIPanGestureRecognizer alloc] init];   [panGestureRecognizer addTarget:self action:@selector(gestureRecognizerHandle:)];   [panGestureRecognizer setMinimumNumberOfTouches:1];   [panGestureRecognizer setMaximumNumberOfTouches:5];   [self.view addGestureRecognizer:panGestureRecognizer];   [panGestureRecognizer release];  

4.UISwipeGestureRecognizer (手指在屏幕上滑动操作手势)

// 滑动手指的个数

numberOfTouchesRequired

// 手指滑动的方向 （Up,Down,Left,Right）

direction 

UISwipeGestureRecognizer *swipeGestureRecognizer = [[UISwipeGestureRecognizer alloc] init];  [swipeGestureRecognizer addTarget:self action:@selector(gestureRecognizerHandle:)];   [swipeGestureRecognizer setNumberOfTouchesRequired:2];   [swipeGestureRecognizer setDirection:UISwipeGestureRecognizerDirectionRight];   [self.view addGestureRecognizer:swipeGestureRecognizer];   [swipeGestureRecognizer release];  

5.UIRotationGestureRecognizer (手指在屏幕上旋转操作)

// 旋转方向，小于0为逆时针旋转手势，大于0为顺时针手势

rotation

// 旋转速率

velocity

UIRotationGestureRecognizer *rotationGestureRecognizer = [[UIRotationGestureRecognizer alloc] init];   [rotationGestureRecognizer addTarget:self action:@selector(gestureRecognizerHandle:)];   [self.view addGestureRecognizer:rotationGestureRecognizer];   [rotationGestureRecognizer release];  

6.UILongPressGestureRecognizer (长按手势)

// Default is 0. The number of full taps required before the press for gesture to be recognized

numberOfTapsRequired

// 需要长按的手指的个数

numberOfTouchesRequired

// 需要长按的时间，最小为0.5s

minimumPressDuration

// 手指按住允许移动的距离

allowableMovement

UILongPressGestureRecognizer *longPressGestureRecognizer = [[UILongPressGestureRecognizer alloc] init];   [longPressGestureRecognizer addTarget:self action:@selector(gestureRecognizerHandle:)];   [longPressGestureRecognizer setMinimumPressDuration:1.0f];   [longPressGestureRecognizer setAllowableMovement:50.0];   [self.view addGestureRecognizer:longPressGestureRecognizer];   [longPressGestureRecognizer release];