UI_触摸事件

yadong_zhao

于 2015-07-03 12:34:25 发布

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分类专栏： iOS_UI 文章标签： ui 事件方法 event

本文链接：https://blog.youkuaiyun.com/yadong_zhao/article/details/46740265

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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__);

 }