UI_触摸事件

基本触摸事件

 #pragma mark - 重写方法
 #pragma mark 触摸开始
 - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
 {
 NSLog(@"touchesBegan");
 NSLog(@"%s",__FUNCTION__);
 }

 #pragma mark - 触摸移动
 - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
 {
 NSLog(@"touchesMoved");
 NSLog(@"%s",__FUNCTION__);
 }

 #pragma mark - 触摸结束
 - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
 {
 NSLog(@"touchesEnded");
 NSLog(@"%s",__FUNCTION__);


 CGFloat red = arc4random() % 256 / 255.0;
 CGFloat blue = arc4random() % 256 / 255.0;
 CGFloat green = arc4random() % 256 / 255.0;

 self.backgroundColor = [UIColor colorWithRed:red green:green blue:blue alpha:1.0];

 }

 #pragma mark - 触摸取消
 - (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event
 {
 NSLog(@"touchesCancelled");
 NSLog(@"%s",__FUNCTION__);

 }