Basic master detail animation not functioning.

[thexande]

example repo here: https://github.com/thexande/nav_bar_color_transition/tree/master/nav_bar_color_transition

Any idea why the transition works once, but after detail view controller gets popped the navigation bar color remains the same?

Here is my basic implementation:

class MasterViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        view.backgroundColor = .white
        title = "Master"
        navigationItem.rightBarButtonItem = UIBarButtonItem(title: "Detail", style: .plain, target: self, action: #selector(pressedDetail))
        navigationController?.navigationBar.setBackgroundImage(UIImage(color: UIColor.red), for: .default)
    }

    @objc func pressedDetail() {
        navigationController?.pushViewController(DetailViewController(), animated: true)
    }
}

class DetailViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        view.backgroundColor = .white
        title = "Detail"
        navigationController?.navigationBar.setBackgroundImage(UIImage(color: UIColor.green), for: .default)
    }
}

Thoughts?

[MoZhouqi]

Hi, maybe you should add pod 'KMNavigationBarTransition' in the nav_bar_color_transition target.