swift 中手势的使用
2020-02-16 10:05
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/**点击手势*/ func tapGestureDemo() { //建立手势识别器 let gesture = UITapGestureRecognizer(target: self, action: "viewTap:") //附加识别器到视图 self.view1.addGestureRecognizer(gesture) } /**缩放手势*/ func pinchGestureDemo() { //建立手势识别器 let gesture = UIPinchGestureRecognizer(target: self, action: "viewPinch:") //附加识别器到视图 self.view1.addGestureRecognizer(gesture) } /**旋转手势*/ func rotationGestureDemo() { //建立手势识别器 let gesture = UIRotationGestureRecognizer(target: self, action: "viewRotation:") //附加识别器到视图 self.view1.addGestureRecognizer(gesture) } /**滑动手势*/ func swipeGestureDemo() { //建立手势识别器 let gesture = UISwipeGestureRecognizer(target: self, action: "viewSwipe:") //附加识别器到视图 self.view1.addGestureRecognizer(gesture) } /**平移手势*/ func panGestureDemo() { //建立手势识别器 let gesture = UIPanGestureRecognizer(target: self, action: "viewPan:") //附加识别器到视图 self.view1.addGestureRecognizer(gesture) } /**长按手势*/ func LongPressGestureDemo() { //建立手势识别器 let gesture = UILongPressGestureRecognizer(target: self, action: "viewLongPress:") //附加识别器到视图 self.view1.addGestureRecognizer(gesture) } /**自定义手势*/ func custonGestureDemo() { //建立手势识别器 let gesture = CustomGestureRecognizer(target: self, action: "viewCustom:") //附加识别器到视图 self.view1.addGestureRecognizer(gesture) } //-----------------------手势action事件--------------------------- /**点击事件*/ @IBAction func viewTap(sender: UITapGestureRecognizer) { print("clicked...") } /**缩放事件*/ func viewPinch(sender: UIPinchGestureRecognizer) { print("pinch...") let _width = view1.bounds.width let _height = view1.bounds.height view1.bounds.size = CGSize(width: _width * sender.scale, height: _height * sender.scale) } /**旋转事件*/ func viewRotation(sender: UIRotationGestureRecognizer) { view1.transform = CGAffineTransformMakeRotation(sender.rotation) } /**滑动事件*/ var offsetX: CGFloat = 0 func viewSwipe(sender: UISwipeGestureRecognizer) { if sender.direction == UISwipeGestureRecognizerDirection.Right { //每次向右平移20 offsetX += 20 view1.transform = CGAffineTransformMakeTranslation(offsetX, 0) } } /**平移事件*/ func viewPan(sender: UIPanGestureRecognizer) { let _transX = sender.translationInView(view1).x let _transY = sender.translationInView(view1).y view1.transform = CGAffineTransformMakeTranslation(_transX, _transY) } /**长按事件*/ func viewLongPress(sender: UILongPressGestureRecognizer) { print("long pressed....") } func viewCustom(sender: CustomGestureRecognizer) { print("custom gesture...") }
转载于:https://www.cnblogs.com/lwk151124/p/5701372.html
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