iOS代理导航的隐藏

self.navigationController.delegate =self;

- (void)navigationController:(UINavigationController*)navigationController willShowViewController:(UIViewController*)viewController animated:(BOOL)animated {

    // 判断要显示的控制器是否是自己

    BOOLisShowHomePage = [viewControllerisKindOfClass:[selfclass]];

    [self.navigationController setNavigationBarHidden:isShowHomePage animated:YES];

}