UISearchController更改颜色

Question

我使用以下代码来更改我放在AppDelegate中的导航栏外观：

UINavigationBar.appearance().barTintColor = UIColor(hex: "E1354A")
UINavigationBar.appearance().tintColor = .white
UINavigationBar.appearance().titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]
UINavigationBar.appearance().isTranslucent = false

我还使用了UISearchController，它是我以编程方式添加的。但是当我按下它的时候，导航栏和搜索控制器的颜色就变成了黑色。我不明白为什么会发生这种情况，我怎么才能防止它呢？

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Answer 1

我找到了一个解决方案。我放入了viewDidLoad：

   let appearance = UINavigationBarAppearance()
    appearance.backgroundColor = UIColor(hex: "E1354A")
    appearance.titleTextAttributes = [NSAttributedString.Key.foregroundColor : UIColor.white]
    navigationItem.standardAppearance = appearance
    navigationItem.scrollEdgeAppearance = appearance
    let searchField = searchController.searchBar.searchTextField
    searchField.backgroundColor = .systemBackground