iPhone 多点触控处理原则

转载自：http://www.cocoachina.com/iphonedev/sdk/2011/0509/2843.htmlhtml UIView 继承的 UIResponder (负责 UI 事件处理) 类中提供了四个方法处理多点触控：iphone - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event; - (void

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