iOS 完美解决iOS7 interactivePopGestureRecognizer 手势冲突

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