1 typedef NS_ENUM(NSInteger, UIGestureRecognizerState) { 2     // 没有触摸事件发生，所有手势识别的默认状态 3     UIGestureRecognizerStatePossible, 4     // 一个手势已经开始但尚未改变或者完成时 5     UIGestureRecognizerStateBegan, 6     // 手势状态改变 7     UIGestureRecognizerStateChanged, 8     // 手势完成 9     UIGestureRecognizerStateEnded,10     // 手势取消，恢复至Possible状态11     UIGestureRecognizerStateCancelled, 12     // 手势失败，恢复至Possible状态13     UIGestureRecognizerStateFailed,14     // 识别到手势识别15     UIGestureRecognizerStateRecognized = UIGestureRecognizerStateEnded16 };

 1 //创建手势识别器对象 2 UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] init]; 3 //设置手势识别器对象的具体属性 4 // 连续敲击2次 5 tap.numberOfTapsRequired = 2; 6 // 需要2根手指一起敲击 7 tap.numberOfTouchesRequired = 2; 8 //添加手势识别器到对应的view上 9 [self.iconView addGestureRecognizer:tap];10 //监听手势的触发11 [tap addTarget:self action:@selector(tapIconView:)];

1 @property (nonatomic) NSUInteger  numberOfTapsRequired; //敲击次数，默认是12 @property (nonatomic) NSUInteger  numberOfTouchesRequired;//多点敲击，默认是1

1 - (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch;//是否接受触摸事件 

1 @property (nonatomic) CFTimeInterval minimumPressDuration; //长按的时间，默认是0.5. 2 @property (nonatomic) CGFloat allowableMovement; //触摸点周围多远的距离内长按有效，默认是50(CGPoint)

1 @property(nonatomic) UISwipeGestureRecognizerDirection direction; //轻扫的方向,是一个枚举型

1 typedef NS_OPTIONS(NSUInteger, UISwipeGestureRecognizerDirection) {2     UISwipeGestureRecognizerDirectionRight = 1 << 0,//向右轻扫,默认为向右轻扫3     UISwipeGestureRecognizerDirectionLeft  = 1 << 1,//向左轻扫4     UISwipeGestureRecognizerDirectionUp    = 1 << 2,//向上轻扫5     UISwipeGestureRecognizerDirectionDown  = 1 << 3//向下轻扫6 };

1 @property (nonatomic)          CGFloat scale; //缩放比例，是一个累加的过程,如果想不累加，把scale设为1即可2 //例子：3 - (void)pinvhView:(UIPinchGestureRecognizer *)pinch {4     self.pinView.transform = CGAffineTransformScale(self.pinView.transform,pinch.scale,pinch.scale);5     pinch.scale = 1;6 }

1 @property (nonatomic)          CGFloat rotation;  //旋转角度，也是一个累加的过程，如果想它不累加，把其设为0即可。2 //例子3 - (void)rotationView:(UIRotationGestureRecognizer *)pinch {4     self.pinView.transform = CGAffineTransformRotate(self.pinView.transform,pinch.rotation);5     pinch.rotation = 0;6 }

1 - (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer;//实现该方法，返回YES即可，允许跟其它手势一起发生

1 @property (nonatomic)          NSUInteger minimumNumberOfTouches;   // default is 1. the minimum number of touches required to match2 @property (nonatomic)          NSUInteger maximumNumberOfTouches;   // default is UINT_MAX. the maximum number of touches that can be down3 4 - (CGPoint)translationInView:(UIView *)view;                        // translation in the coordinate system of the specified view5 - (void)setTranslation:(CGPoint)translation inView:(UIView *)view;6 7 - (CGPoint)velocityInView:(UIView *)view;                           // velocity of the pan in pixels/second in the coordinate system of the specified view