iphone – UISwipeGestureRecognizer手势起点

概述是否可以从UISwipeGestureRecognizer获取手势起点.喜欢它的可能性 - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { UITouch * touch = [touches anyObject]; gestureStartPoint = [touch locationInView 是否可以从UISwipeGestureRecognizer获取手势起点.喜欢它的可能性

- (voID)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {    UItouch * touch = [touches anyObject];    gestureStartPoint = [touch locationInVIEw:self];}

解决方法 根据 UISwipeGestureRecognizer documentation你可以：

You may determine the location where a swipe began by calling the UIGestureRecognizer methods locationInVIEw: and locationOftouch:inVIEw:. The former method gives you the centroID if more than one touch was involved in the gesture; the latter gives the location of a particular touch.

PS：你真的应该先看看文档,答案是在UISwipeGestureRecognizer的类引用中,应该不难找到.作为开发人员的一部分是能够查找的东西,Apple有优秀的文档,使用它！

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