iOS 手势

一.看这里

 

 

 

二.抽象类  UIGestureRecognizer

• 继承于该类的有7类：轻点，捏合，拖拽，滑动，长按，旋转，边缘滑动;
• 一个手势能够绑定多个事件 

  - (void)addTarget:(id)target action:(SEL)action;

• 能够移除事件

  - (void)removeTarget:(nullable id)target action:(nullable SEL)action;

   

 

 

三.轻点手势 UITapGestureRecognizer

四.捏合手势 UIPinchGestureRecognizer

五.拖拽手势 UIPanGestureRecognizer

六.滑动手势 UISwipeGestureRecognizer

七.长按手势 UILongPressGestureRecognizer

八.边缘滑动手势  UIScreenEdgePanGestureRecognizer