Swift导航栏设置

class ALNavigationController: UINavigationController {

    

    override func viewDidLoad() {

        super.viewDidLoad()


        // Do any additional setup after loading the view.

        setNavBar()

        interactivePopGestureRecognizer?.delegate = nil

        navigationBar.isTranslucent = false

    }

    

    override func pushViewController(_ viewController: UIViewController, animated: Bool) {

        if viewControllers.count >= 1 {

            viewController.hidesBottomBarWhenPushed = true

        }

        super.pushViewController(viewController, animated: animated)

    }

    

    func setNavBar() {

        let appearance = UINavigationBar.appearance()

        appearance.shadowImage = UIImage()

        // 导航条背景是否透明

        appearance.isTranslucent = false

        // 背景色，导航条背景色

        appearance.theme_barTintColor = AutoColor.bg1

        // 设置导航条标题颜色，还可以设置其它文字属性，只需要在里面添加对应的属性

        appearance.titleTextAttributes = [.foregroundColor: Color.head, .font: autoBoldFont(font: 18)]


        // 解决iOS15 barTintColor设置无效的问题，参考https://developer.apple.com/forums/thread/682420

        if #available(iOS 15.0, *) {

            let newAppearance = UINavigationBarAppearance()

            newAppearance.configureWithOpaqueBackground()

            newAppearance.theme_backgroundColor = AutoColor.bg1

            newAppearance.shadowImage = UIImage()

            newAppearance.shadowColor = nil

            newAppearance.titleTextAttributes = [.foregroundColor: Color.head, .font: autoBoldFont(font: 18)]

            appearance.standardAppearance = newAppearance

            appearance.scrollEdgeAppearance = appearance.standardAppearance

        }

    }


    /*

    // MARK: - Navigation

    // In a storyboard-based application, you will often want to do a little preparation before navigation

    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {

        // Get the new view controller using segue.destination.

        // Pass the selected object to the new view controller.

    }

    */

}