//触摸事件响应需要重写方法
1 // 触摸时触发该方法(消息发送)
2 - (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
3 UITouch *touch = [touches anyObject];
4 CGPoint point = [touch locationInView:self.rootView.touchView];//locationInView:得到当前点击下在指定视图中位置的坐标
5 NSLog(@"触摸开始:%.2f,%.2f",point.x,point.y);
6 }
7 //但触摸移动时触发该事件
8 - (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
9
10 UITouch *touch = [touches anyObject];
11 CGPoint point1 = [touch locationInView:self.rootView.touchView];
12 CGPoint point2 = [touch previousLocationInView:self.rootView.touchView];//previouslocationInView:得到当前点的前一个点在指定视图中位置的坐标
13 }
14 // 触摸结束时触发该方法(消息发送)
15 - (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
16 NSLog(@"触摸结束");
17 }
18 //发生其他情况,如来电话或意外退出时,执行该方法
19 - (void)touchesCancelled:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
20
21 }
//手机摇一摇实现要重写方法
1 //开始时调用
2 - (void)motionBegan:(UIEventSubtype)motion withEvent:(UIEvent *)event{
3 NSLog(@"摇一摇开始");
4 }
5 //结束时调用
6 - (void)motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event{
7 NSLog(@"摇一摇结束");
8 }
9 //意外情况调用
10 - (void)motionCancelled:(UIEventSubtype)motion withEvent:(UIEvent *)event{
11 NSLog(@"意外退出");
12 }