删除UITabbar上边框线

Question

我一直在应用程序中使用UITabbar.UITabbar顶部有一条上边界线.参考下图: -

我用Google搜索并尝试了以下建议的代码: -

[[UITabBar appearance] setShadowImage:[[UIImage alloc] init]];

也

[[UITabBar appearance] setShadowImage:nil];

self.navigationController.toolbar.clipsToBounds = YES;

但他们都没有工作.有解决方案吗

Answer 1

tabBar.clipsToBounds = YES; 对我有用.

Answer 2

适用于iOS 13 和 Swift 5 的解决方案：

/** 
 * A custom subclass of `UITabBarController` to use whenever you want 
 * to hide the upper border of the `UITabBar`.
 */
class TabBarController: UITabBarController {

    override func viewDidLoad() {
        super.viewDidLoad()
        tabBar.backgroundColor = UIColor.white

        // Removing the upper border of the UITabBar.
        // 
        // Note: Don't use `tabBar.clipsToBounds = true` if you want 
        // to add a custom shadow to the `tabBar`!
        // 
        if #available(iOS 13, *) {
            // iOS 13:
            let appearance = tabBar.standardAppearance
            appearance.configureWithOpaqueBackground()
            appearance.shadowImage = nil
            appearance.shadowColor = nil
            tabBar.standardAppearance = appearance
        } else {
            // iOS 12 and below:
            tabBar.shadowImage = UIImage()
            tabBar.backgroundImage = UIImage()
        }
    } 
}

Answer 3

[self.tabBar setValue:@(YES) forKeyPath:@"_hidesShadow"];

或者你可以使用

[[UITabBar appearance] setShadowImage:[UIImage imageNamed:@"transparentShadow.png"]];

要么

 [[UITabBar appearance] setShadowImage:nil];

Answer 4

这对我来说适用于 iOS 11、XCode 9.4

UITabBar.appearance().shadowImage = UIImage()
UITabBar.appearance().backgroundImage = UIImage()
UITabBar.appearance().backgroundColor = UIColor.white

Answer 5

Swift 5 对我有用

override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
        myTabBar.clipsToBounds = true


    }