iOS 完美解决iOS7 interactivePopGestureRecognizer 手势冲突

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重写导航控制器，在其代理实现：

- (void)navigationController:(UINavigationController *)navigationController didShowViewController:(UIViewController *)viewController animated:(BOOL)animated
{
    BOOL isRootVC = viewController == navigationController.viewControllers.firstObject;
    navigationController.interactivePopGestureRecognizer.enabled = !isRootVC;
}

参考各位前辈的分析：

http://stackoverflow.com/questions/21221581/ios-7-interactivepopgesturerecognizer-is-freezing-app

http://www.trsjdc.com/320/#more-320

http://zhangmingwei.iteye.com/blog/2080457

iOS 完美解决iOS7 interactivePopGestureRecognizer 手势冲突

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原文地址：http://blog.csdn.net/alincexiaohao/article/details/45364525