UIGestureRecongnizer:NSObject
1.-(void)addGestureRecognizer:
(UIGestureRecognizer *)gestureRecognizer 附加一个手势识别器到视图
点击tap
UITapGestureRecognizer: UIGestureRecognizer
1.创建一个UITapGestureRecognizer对象
UITapGestureRecognizer * tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tapAction:)];
2.numberOfTapsRequired 按几次触发
例:tap.numberOfTapsRequired = 2;
3.numberOfTouchesRequired 几根手指触发
例:tap.numberOfTouchesRequired = 2;
长按longpress
UILongPressGestureRecognizer:UIGestureRecognizer
1.创建一个UILongPressGestureRecognizer对象
UILongPressGestureRecognizer * longPress = [[UILongPRessGestureRecognizer alloc]initWithTarget:self action:@selector(longPress:)];
2.minimumPressDuration判定长按需要的时间 默认为0.5s
例:longPress.minimumPressDuration = 1;
3.allowableMovement 允许长按过程中移动的像素 默认10
例:longPress.allowableMovement = 100;
4.常用绑定方法
if(longPress.state == UIGestureRecognizerStateBegan){
NSLog(@“长按”);
}
轻扫swipe
UISwipeGestureRecognizer:
UIGestureRecognizer
1.创建一个UISwipeGestureRecognizer对象
UISwipeGestureRecognizer * swipe = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(swipe:)];
2.direction 滑动方向
例:swipe.direction = UISwipeGestureRecognizerDirectionLeft;
3.numberOfTouchesRequired 几根手指触发
旋转rotation
UIRotationGestureRecognizer:
UIGestureRecognizer
1.创建一个UIRotationGestureRecognizer对象
UIRotationGestureRecognizer *rotation = [[UIRotationGestureRecognizer alloc]initWithTarget:self action:@selector(rotation:)];
2.rotation 旋转速度
3.常用绑定方法
NSLog(@“旋转”);
UIView * view = rotation.view//获得当前手势所在的view
view.transform =
CGAffineTransformRotate(view.transform,rotation.rotation);//transform属性
rotation.rotation= 0;
拖拽 pan
UIPanGestureRecognizer : UIGestureRecognizer
1.创建一个UIPanGestureRecognizer对象
UIPanGestureRecognizer * pan = [[UIPanGestureRecognizer alloc]initWithTarget:self action:@selector(pan:)];
2.常用绑定方法
NSLog(@“拖拽”);
CGPoint translation = [pan translationInView: self.view];
UIView *view = pan.view;
view.center = CGPointMake(view.center.x + translation.x, view.center.y + translation.y);
[pan setTranslation:CGPointMake(0,0) inView:self.view];
捏合pinch
UIPinchGestureRecognizer:UIGestureRecognizer
1.创建一个UIPinchGestureRecognizer对象
UIPinchGestureRecognizer * pinch = [[UIPinchGestureRecognizer alloc]initWithTarget:self action:@selector(pinch:)];
2.常用绑定方法
UIView*view = pinch.view;
view.transform = CGAffineTransformScale(view.transform,pinch.scale,pinch.scale);
3.scale比例
例:pinch.scale =1;
屏幕边缘拖拽screenEdgePan
UIScreenEdgePanGestureRecognizer:UIPanGestureRecognizer
1.创建一个UIScreenEdgePanGestureRecognizer对象
UIScreenEdgePanGestureRecognizer * ScreenEdgePan = [[UIScreenEdgePanGestureRecognizer]initWithTarget:self action:@selector(screenEdgePan:)];
