UINavigationBar tintColor 行为不端

Question

设置 UINavigationBar tintColor 时出现问题。

这是行为不端

我正在使用 xcode 11.3.1、swift 5、iOS 13.3

*我的课

override func viewDidLoad() {
    super.viewDidLoad()
    // Do any additional setup after loading the view.
    self.title = "test"
}

override func viewWillAppear(_ animated: Bool) {
    super.viewWillAppear(animated)
    self.navigationController?.navigationBar.tintColor = #colorLiteral(red: 0.9708816409, green: 0.4246639013, blue: 0.3480253518, alpha: 1)
}

*结果

1. 真机https://imgur.com/sONr4vq

2. 模拟器https://imgur.com/vs5lhgR

我想像标题一样设置后退按钮颜色

我只在真实设备上得到错误

请帮我

谢谢

Answer 1

设置后退按钮并隐藏“后退”：

let backItem = UIBarButtonItem()
        backItem.tintColor = #colorLiteral(red: 0.9708816409, green: 0.4246639013, blue: 0.3480253518, alpha: 1)
        navigationItem.backBarButtonItem = backItem

在推送新代码之前，您应该将此代码添加到ViewController 。

Answer 2

您是否尝试使用UIColor而不是#colorLiteral ？

喜欢

self.navigationController?.navigationBar.tintColor = UIColor(red: 0.9708816409, green: 0.4246639013, blue: 0.3480253518, alpha: 1)

//or

self.navigationController?.navigationBar.tintColor = UIColor(displayP3Red: 0.9708816409, green: 0.4246639013, blue: 0.3480253518, alpha: 1)

编辑：由于上述方法对您不起作用，您尝试过吗？

self.navigationController?.navigationBar.tintColor = self.navigationController?.navigationItem.titleView?.backgroundColor

考虑到您想要的只是让按钮和标题都具有相同的颜色，对吗？

Answer 3

尝试访问navigationController.navigationBar而不是navigationController.view ：

    self.navigationController?.navigationBar.tintColor = #colorLiteral(red: 0.9708816409, green: 0.4246639013, blue: 0.3480253518, alpha: 1)