如何在Swift iOS应用中隐藏状态栏？

Question

我想删除屏幕顶部的状态栏。

这不起作用：

func application

(application: UIApplication,

didFinishLaunchingWithOptions launchOptions: NSDictionary?)

-> Bool

{

        application.statusBarHidden = true

        return true

}

我也尝试过：

func application

(application: UIApplication,

didFinishLaunchingWithOptions launchOptions: NSDictionary?)

-> Bool

{

    self.window = UIWindow(frame: UIScreen.mainScreen().bounds)

    var controller = UIViewController()

    application.statusBarHidden = true

    controller.setNeedsStatusBarAppearanceUpdate()

    var view = UIView(frame: CGRectMake(0, 0, 320, 568))

    view.backgroundColor = UIColor.redColor()

    controller.view = view

    var label = UILabel(frame: CGRectMake(0, 0, 200, 21))

    label.center = CGPointMake(160, 284)

    label.textAlignment = NSTextAlignment.Center

    label.text = "Hello World"

    controller.view.addSubview(label)

    self.window!.rootViewController = controller

    self.window!.makeKeyAndVisible()

    return true

}

Answer 1

您确实应该在视图控制器上实现preferredsStatusBarHidden：Swift 3及更高版本override var prefersStatusBarHidden: Bool {    return true}

Answer 2

如果要在按钮水龙头上隐藏并恢复状态栏，而在显示和关闭幻灯片菜单，弹出窗口等时，则可以使用以下方法：隐藏状态栏：-UIApplication.shared.keyWindow?.windowLevel = UIWindowLevelStatusBar恢复状态栏：-UIApplication.shared.keyWindow?.windowLevel = UIWindowLevelNormal