我如何隐藏在一个Swift iOS应用程序的状态栏?

我想移除屏幕顶部的状态栏。

这行不通:

func application
(application: UIApplication,
didFinishLaunchingWithOptions launchOptions: NSDictionary?)
-> Bool
{
        application.statusBarHidden = true
        return true
}

我也试过:

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
}

当前回答

你真的应该在你的视图控制器上实现prefersStatusBarHidden:

Swift 3及后续版本

override var prefersStatusBarHidden: Bool {
    return true
}

2014-06-16 05:08:10

其他回答

iOS 10 / Swift 3.0更新

不再是函数，现在是属性…

override var prefersStatusBarHidden: Bool {
    return true
}

2016-08-11 17:05:01

其实这是我自己发现的。我将添加我的解决方案作为另一种选择。

extension UIViewController {
    func prefersStatusBarHidden() -> Bool {
        return true
    }
}

2014-06-16 05:25:12

只是补充，当覆盖prefersStatusBarHidden方法或变量时，基于视图控制器的状态栏出现在信息中。plist必须为YES，否则重写将不起作用

2017-01-17 19:08:37

对于Swift 4+，尝试以下代码(在Swift 4.0, 4.1 - IOS 10, 11上测试):

override var prefersStatusBarHidden: Bool { return true }

override func viewDidAppear(_ animated: Bool) {
    super.viewDidAppear(animated)
    // call this func to force preferredStatusBarStyle to be read again.
    setNeedsStatusBarAppearanceUpdate()
}

2019-02-07 11:23:04

在Swift 3.x:

override func viewWillAppear(_ animated: Bool) {
    UIApplication.shared.isStatusBarHidden = true
}

2017-01-09 06:28:34

我如何隐藏在一个Swift iOS应用程序的状态栏?

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