How do i change navigationBar font in Swift?

Question

How do I change the NavigationBar font in Swift?

This is what I have tried so far, but receiving an error (I have correctly implemented CaviarDreams

Answer 1

Swift 4.2

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
  // Override point for customization after application launch.

  let font = UIFont(name: "FontName", size: 16) ?? UIFont.systemFont(ofSize: 16)
  UINavigationBar.appearance().titleTextAttributes = [.font: font]
}