1 // 触摸开始
2 - (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
3 {
4     NSLog(@"触摸TouchView开始");
5 }

 1 // 移动
 2 - (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
 3 {
 4     NSLog(@"移动TouchView");
 5     
 6     // 1.获取触摸手势
 7     UITouch *touch = [touches anyObject];
 8     
 9     // 2.获取触摸的位置
10     // locationInView: 获取一个触摸在某个视图上的位置
11     CGPoint currentPoint = [touch locationInView:self.superview];
12     
13     // 3.根据触摸的位置改变视图的位置
14     self.center = currentPoint;
15     
16 }

1 // 触摸结束
2 - (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
3 {
4     NSLog(@"触摸TouchView结束");
5 }

1 // 触摸被打断
2 - (void)touchesCancelled:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
3 {
4     NSLog(@"触摸TouchView被打断");
5 }

 1 // 创建一个轻拍手势方法
 2 - (void)tapGesture
 3 {
 4     // 1.创建手势识别器对象
 5     UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapGestureAction:)];
 6     
 7     // 2.将手势添加到相应的视图上
 8     [self.rootView.myImageView addGestureRecognizer:tap];
 9 }
10 
11 // 实现轻拍手势事件
12 - (void)tapGestureAction:(UITapGestureRecognizer *)tap
13 {
14     NSLog(@"被拍了!");
15 }

 1 // 创建一个平移手势方法
 2 - (void)panGesture
 3 {
 4     UIPanGestureRecognizer *pan = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panGestureAction:)];
 5     
 6     [self.rootView.myImageView addGestureRecognizer:pan];
 7 }
 8 
 9 // 实现平移手势事件
10 - (void)panGestureAction:(UIPanGestureRecognizer *)pan
11 {
12     NSLog(@"我动了...");
13     
14     // 在View上面挪动的距离,translationInView是用来获取触摸移动的距离
15     CGPoint p = [pan translationInView:pan.view];
16     
17     pan.view.transform = CGAffineTransformTranslate(pan.view.transform, p.x, p.y); // pan.view.transform 表示视图原来的位置,p.x表示移动的X轴方向的距离,p.y表示移动的Y轴方向的距离 
18     
19     // 清空移动的距离
20     [pan setTranslation:CGPointZero inView:pan.view];

 1 - (void)pinchGesture
 2 {
 3     UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(pinchGestureAction:)];
 4     [self.rootView.myImageView addGestureRecognizer:pinch];
 5 }
 6 
 7 // 实现捏合方法
 8 - (void)pinchGestureAction:(UIPinchGestureRecognizer *)pinch
 9 {
10     pinch.view.transform = CGAffineTransformScale(pinch.view.transform, pinch.scale, pinch.scale);
11     pinch.scale = 1; // 清空移动的比例
12 }

 1 // 创建一个旋转手势方法
 2 - (void)rotattionGesture
 3 {
 4     UIRotationGestureRecognizer *rotation = [[UIRotationGestureRecognizer alloc] initWithTarget:self action:@selector(rotattionGestureAction:)];
 5     
 6     [self.rootView addGestureRecognizer:rotation];
 7 }
 8 
 9 // 实现旋转手势事件
10 - (void)rotattionGestureAction:(UIRotationGestureRecognizer *)rotation
11 {
12     rotation.view.transform = CGAffineTransformRotate(rotation.view.transform, rotation.rotation); // rotation的旋转角度是rotation属性
13     rotation.rotation = 0;
14 }

 1 // 创建一个长按手势方法
 2 - (void)longPress
 3 {
 4     UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPressAction:)];
 5     [self.rootView.myImageView addGestureRecognizer:longPress];
 6 }
 7 
 8 // 实现长按手势事件
 9 - (void)longPressAction:(UILongPressGestureRecognizer *)longPress
10 {
11     if (longPress.state == UIGestureRecognizerStateBegan) {
12         // 设置长按的时间
13         longPress.minimumPressDuration = 2;
14         NSLog(@"长按了...");
15     }
16 }

 1 // 创建一个轻扫手势方法
 2 - (void)swipe
 3 {
 4     UISwipeGestureRecognizer *swipe = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeAction:)];
 5     
 6     // 设置轻扫的有效方向
 7     swipe.direction = UISwipeGestureRecognizerDirectionLeft; // 默认为Right(右)
 8     
 9     // 手指的数量
10 //    swipe.numberOfTouchesRequired = 2; // 默认为1
11     
12     [self.rootView.myImageView addGestureRecognizer:swipe];
13 }
14 
15 // 实现轻扫手势事件
16 - (void)swipeAction:(UISwipeGestureRecognizer *)swipe
17 {
18     NSLog(@"向左扫了一下!");
19 }

 1 // 创建一个屏幕边缘清扫方法
 2 - (void)screenEdgePan
 3 {
 4     UIScreenEdgePanGestureRecognizer *screenEdgePan = [[UIScreenEdgePanGestureRecognizer alloc] initWithTarget:self action:@selector(screenEdgePanAction:)];
 5     
 6     screenEdgePan.edges = UIRectEdgeLeft; // 所有的
 7     
 8     [self.rootView addGestureRecognizer:screenEdgePan];
 9 }
10 // 实现屏幕边缘清扫事件
11 - (void)screenEdgePanAction:(UIScreenEdgePanGestureRecognizer *)screenEdgePan
12 {
13     NSLog(@"屏幕左边缘清扫");
14 }

1 #pragma mark 通过代理实现同时识别多个手势
2 - (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer
3 {
4     return YES;
5 }