iPhone两指扭动手势 [英] IPhone two fingers twist gesture

问题描述

当用户在两根手指上扭动图像时，我需要旋转图像. 您对我如何编写代码或以前是否完成过编码有任何想法.

I need to rotate an image when the user do a two finger twist on it. do you have an idea on how i can code this or if you've done this before.

我认为编写一个可以检测所有主要手势并提供iif的类是一个好主意.

I think it would be a good idea to write a class that detect all the main gesture and provide iif.

推荐答案

我在互联网上找到了此示例.写得很好...

I found this example on the internet. It's very nicely written...

http://www.skylarcantu.com/blog/2009/08/08/multitouchsingletouchtap-handling/

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