Use the increased navigation-bar title in iOS 11

Question

iOS 11 Beta 1 uses the increased navigation-bar title for almost all system-apps (it started doing this in iOS 10 and the Music app). I am wondering if Apple has a public API fo

Answer 1

if #available(iOS 11.0, *) {
    navigationController?.navigationBar.prefersLargeTitles = true
    navigationController?.navigationBar.topItem?.title = "Hello"
    navigationController?.navigationItem.largeTitleDisplayMode = .automatic

    let attributes = [
        NSAttributedStringKey.foregroundColor : UIColor.red,
        ]

    navigationController?.navigationBar.largeTitleTextAttributes = attributes
} else {
    // Fallback on earlier versions
}