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

在您的项目中“常规->部署信息->状态栏”样式 选择隐藏状态栏的复选标记 注意:-它隐藏状态栏在整个应用程序

其他回答

如果你想隐藏和恢复按钮点击的状态栏,而在显示和取消滑动菜单,弹出窗口等,那么你可以使用这个方法:-

隐藏状态栏:-

UIApplication.shared.keyWindow?.windowLevel = UIWindowLevelStatusBar

恢复状态栏:—

UIApplication.shared.keyWindow?.windowLevel = UIWindowLevelNormal 

斯威夫特3

在信息。plist设置基于控制器的状态栏外观为NO

调用uiapplication。shared。isstatusbarhidden = true

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
}

如果你更喜欢可视化的方法而不是编码,请使用以下方法: 在你的info.plist

简单地添加基于视图控制器的状态栏外观为NO

和状态栏最初隐藏为YES

在我的情况下,我正在寻找状态栏隐藏/显示的需求;而不是只在视图加载或消失的时候。

快3.倍

//show status bar initially
var showStatusBar = true

//set the parameters
override var prefersStatusBarHidden: Bool {

    if showStatusBar == true {

        //does not prefer status bar hidden
        print("does not prefer status bar hidden")
        return false

    } else {

        //does prefer status bar hidden
        print("does prefer status bar hidden")
    return true

    }
}

//ex: hide status bar and call parameter function again whenever you want
        showStatusBar = false
        setNeedsStatusBarAppearanceUpdate()