如何删除导航栏底部颜色iOS 7

Question

我创建了一个应用程序，在第一页中我添加了UINavigationController，但是我有一个问题。 它是导航栏中的底部边框....

我想删除此边框底部或清除边框的颜色。 请帮我

Answer 1

要从UINavigationBar移除底部边框，您可以在app delegate中使用以下方法：

- (void) removeBottomBarFromNav:(UINavigationBar *) navBar {
for (id subView in [navBar subviews]) {
    for (id subViewInner in [subView subviews])
    {
        if ([NSStringFromClass([subView class]) isEqualToString:@"_UINavigationBarBackground"])
        {
            if ([subViewInner isKindOfClass:[UIImageView class]]) {
                [subViewInner removeFromSuperview];
                break;
            }
        }
    }
}
}

您可以使用此方法，如下所述：

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    home * ObjLoginPage = [[home alloc] initWithNibName:@"home" bundle:nil];
    self.navigationController = [[UINavigationController alloc] initWithRootViewController:ObjLoginPage];

    [self removeBottomBarFromNav:self.navigationController.navigationBar];

    self.window.rootViewController = self.navigationController;
        [self.window makeKeyAndVisible];
        return YES;
}