Declare private methods
// MARK: - Private Methods
extension AppDelegate {
func setupNavigationAppearance() {
let appearance = UINavigationBarAppearance()
let navigationBar = UINavigationBar()
appearance.configureWithOpaqueBackground()
appearance.backgroundColor = UIColor.white
navigationBar.standardAppearance = appearance
UINavigationBar.appearance().scrollEdgeAppearance = appearance
}
func setupTabBarAppearance() {
let appearance = UITabBarAppearance()
let tabBar = UITabBar()
appearance.configureWithOpaqueBackground()
appearance.backgroundColor = .white
tabBar.standardAppearance = appearance
if #available(iOS 15.0, *) {
UITabBar.appearance().scrollEdgeAppearance = appearance
}
}
}
Call a private methods in AppDelegate or SceneDelegate
setupNavigationAppearance()
setupTabBarAppearance()