Programmatically get height of navigation bar

Question

I know that the presence of the more view controller (navigation bar) pushes down the UIView by its height. I also know that this height = 44px. I have also discovered tha

Answer 1

Support iOS 13 and Below:

extension UIViewController {

    var topbarHeight: CGFloat {
        if #available(iOS 13.0, *) {
            return (view.window?.windowScene?.statusBarManager?.statusBarFrame.height ?? 0.0) +
                (self.navigationController?.navigationBar.frame.height ?? 0.0)
        } else {
            let topBarHeight = UIApplication.shared.statusBarFrame.size.height +
            (self.navigationController?.navigationBar.frame.height ?? 0.0)
            return topBarHeight
        }
    }
}