摘要：
在3.2以前,我们要拿到UITouch跟使用者互动,大部分都是透过UIResponder的四种methods - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event - (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event - (void)touchesMoved:(NSSet *)touches withEven 阅读全文
