The official way to customize the UINavigationBar, pre iOS 13, is this:
// text/button color
UINavigationBar.appearance().tintColor = .white
// background color
UINavigationBar.appearance().barTintColor = .purple
// required to disable blur effect & allow barTintColor to work
UINavigationBar.appearance().isTranslucent = false
iOS 13 has changed how navigation bars work, so you'll need to do things slightly differently to support both old & new:
if #available(iOS 13.0, *) {
let appearance = UINavigationBarAppearance()
appearance.backgroundColor = .purple
appearance.titleTextAttributes = [.foregroundColor: UIColor.white]
appearance.largeTitleTextAttributes = [.foregroundColor: UIColor.white]
UINavigationBar.appearance().tintColor = .white
UINavigationBar.appearance().standardAppearance = appearance
UINavigationBar.appearance().compactAppearance = appearance
UINavigationBar.appearance().scrollEdgeAppearance = appearance
} else {
UINavigationBar.appearance().tintColor = .white
UINavigationBar.appearance().barTintColor = .purple
UINavigationBar.appearance().isTranslucent = false
}
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