override func preferredStatusBarStyle() -> UIStatusBarStyle {
return UIStatusBarStyle.LightContent;
}
使用上述代码在任何ViewController中为特定的ViewController设置状态栏颜色为白色,在iOS8中对我来说是行不通的。有什么建议吗?使用UIApplication。shared应用方法,在信息中需要更改后颜色更改。Plist为整个应用程序。
// Change the colour of status bar from black to white
UIApplication.sharedApplication().statusBarStyle = .LightContent
我怎么能改变一些必要的和特定的视图控制器的状态栏颜色?
(截至2020年6月10日)
Swift 5(不编辑。plist文件)
如果你正在使用故事板,转到导航控制器,选择导航栏,单击属性检查器,然后更改样式。如果你需要浅色内容(白色状态栏),设置它除了默认设置样式黑色,如果你想要深色内容(黑色状态栏),设置它默认。
默认的(UIBarStyleDefault)导致前景UIStatusBarStyleDefault状态栏为黑色。UIBarStyleBlack会给出一个uistatusbarstyelightcontent状态栏。
编程
let nav = UINavigationController(rootViewController: rootViewController)
nav.navigationBar.barStyle = .default //gives you dark Content status bar
nav.navigationBar.barStyle = .black //gives you light content status bar
没有导航栏(编辑。plist)
添加UIViewControllerBasedStatusBarAppearance /基于视图控制器的状态栏外观到你的信息。Plist, set value为true。
重写控制器中的preferredStatusBarStyle属性
class ViewController: UIViewController {
override var preferredStatusBarStyle : UIStatusBarStyle {
return .lightContent
}
}
斯威夫特4.2
嘿,我想分享一个解决方案,我从格雷格·格鲁米特的一篇关于这个神秘主题的好文章中得到的。
步骤1
正如其他人所提到的,添加到你的PLIST
View controller-based status bar appearance YES
步骤2在RootViewcontroller中添加如下
var statusBarHidden: Bool = false {
didSet(newValue) {
UIView.animate(withDuration: 0.1) {
self.setNeedsStatusBarAppearanceUpdate()
}
}
}
override var prefersStatusBarHidden: Bool {
return statusBarHidden
}
var vcStatusBarStyle: UIStatusBarStyle = .default {
didSet(newValue) {
UIView.animate(withDuration: 0.1) {
self.setNeedsStatusBarAppearanceUpdate()
}
}
}
override var preferredStatusBarStyle: UIStatusBarStyle {
return vcStatusbarStyle
}
当更新属性statusBarHidden或vcStatusBarStyle时,它将调用setNeedsStatusBarAppearanceUpdate(),并将更新状态栏与prefersStatusBarHidden或preferredStatusBarStyle的新值。在我的情况下,我必须为容器视图控制器更新这些属性,这是可见的子视图控制器的父。我使用一个简单的委托方法做到了这一点。
protocol MainViewControllerDelegate {
func updateStatusBarStyle(statBarStayle: UIStatusBarStyle)
func toggleStatusBar(visable: Bool)
}
当然,当实例化childViewController(Visible VC)时,不要忘记将MainViewcontroller(Container VC)设置为它的委托。我有时会。:)
childViewController.delegate = self
然后在childViewController中,当需要更新状态栏时,我只调用委托方法。
self.delegate?.updateStatusBarStyle(statBarStayle: .default)
如上所述,Graig Grummitt详细介绍了这个解决方案,也与UINavigationControllers一起工作。链接这里:状态栏的神秘案例
在Swift 3.0 Xcode 8中,一切都要简单得多
使用下面的代码在应用程序委托文件,之后
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
插入:
UINavigationBar.appearance().barStyle = .black
UINavigationBar.appearance().barTintColor = UIColor(red: 230, green: 32, blue: 31, alpha: 1.0)
我在这个问题上遇到了一些麻烦。我不太喜欢在视图中全局改变状态栏的颜色,然后在视图中改变它,然后像接受的答案一样消失。信不信由你,你可以通过在你想要的视图控制器上重写preferredStatusBarStyle来实现。经过很长一段时间,这是我所做的让它工作:
Change View controller-based status bar appearance in your info.plist to YES.
Now any full screen view controller can change the status bar style by overriding preferredStatusBarStyle.
I specify full screen because this will not work for (non-full screen) modal view controllers, not without setting modalPresentationCapturesStatusBarAppearance to Yes that is.
Also if you have embedded view controllers, like in a navigation controller for example, it will ask the top most view controller for status bar style. Overriding childViewControllerForStatusBarStyle and passing the embedded view controller is supposed to work but it didn't for me. So I just returned the embedded view controllers preferred status bar as the preferred status bar style. Something like this:
override var preferredStatusBarStyle: UIStatusBarStyle {
if let topViewController = viewControllers.last {
return topViewController.preferredStatusBarStyle
}
return .default
}