Change UINavigationBar font properties?

Question

I have an UINavigationBar added to my UIViewController view. I want to change the fonts properties. Note that I want to change a UINavigationBar not controller. In my app wh

Answer 1

For iOS 13 and Swift 5.

For setting the title color & font just add in viewDidLoad() the following line:

UINavigationBar.appearance().titleTextAttributes = [
    .foregroundColor: UIColor.white, 
    .font: UIFont(name: "Arial", size: 24)! ]

For setting the bar button item text color & font:

UIBarButtonItem.appearance().setTitleTextAttributes([
    .foregroundColor: UIColor.white, 
    .font: UIFont(name: GetFontNameBold(), size: 40)! ],
    for: UIControl.State.normal)