试试;

[[UIApplication sharedApplication] setStatusBarHidden:YES withAnimation:UIStatusBarAnimationNone];

UIApplication。setStatusBarX在iOS9已弃用 在info.plist中不推荐使用UIViewControllerBasedStatusBarAppearance=NO 我们应该在所有的视图控制器中使用preferredStatusBarX

但当涉及到UINavigationController时，它会变得更有趣:

If navigationBarHidden = true, the child UIViewController's preferredStatusBarX are called, since the child is displaying the content under the status bar. If navigationBarHidden = false, the UINavigationController's preferredStatusBarX are called, after all it is displaying the content under the status bar. The UINavigationController's default preferredStatusBarStyle uses the value from UINav.navigationBar.barStyle. .Default = black status bar content, .Black = white status bar content. So if you're setting barTintColor to some custom colour (which you likely are), you also need to set barStyle to .Black to get white status bar content. I'd set barStyle to black before setting barTintColor, in case barStyle overrides the barTintColor. An alternative is that you can subclass UINavigationController rather than mucking around with bar style. HOWEVER, if you subclass UINavigationController, you get no control over the status bar if navigationBarHidden = true. Somehow UIKit goes direct to the child UIViewController without asking the UINavigationController in this situation. I would have thought it should be the UINavigationController's responsibility to ask the child >shrugs<. And modally displayed UIViewController's only get a say in the status bar if modalPresentationStyle = .FullScreen. If you've got a custom presentation style modal view controller and you really want it to control the status bar, you can set modalPresentationCapturesStatusBarAppearance = true.

iOS 9起:

由于statusBarHidden方法已从iOS9中弃用，您需要在plist中添加如下两个值:

<key>UIStatusBarHidden</key>
<true/>
<key>UIViewControllerBasedStatusBarAppearance</key>
<false/>

请参考以下图片:

statusBarHidden从iOS9被弃用:

@property(重述，非atomic,getter= isstatus barhiden) BOOL 新闻记者:新闻记者 prefersStatusBarHidden”)__TVOS_PROHIBITED;

在Plist中添加以下属性。

Status bar is initially hidden = YES

View controller-based status bar appearance = NO

现在状态栏将被隐藏。

从UIKit > UIApplication.h:

// Setting statusBarHidden does nothing if your application is using the default UIViewController-based status bar system.
@property(nonatomic,getter=isStatusBarHidden) BOOL statusBarHidden;
- (void)setStatusBarHidden:(BOOL)hidden withAnimation:(UIStatusBarAnimation)animation NS_AVAILABLE_IOS(3_2);

所以应该将基于视图控制器的状态栏外观设置为NO

固定解决方案SWIFT 3+ (iOS 9, 10)

1-在信息。请在属性下面设置

2-粘贴下面的代码到根控制器，以

 private var isStatusBarHidden = true {
        didSet {
            setNeedsStatusBarAppearanceUpdate()
        }
    }

    override var prefersStatusBarHidden: Bool {
        return isStatusBarHidden
    }

你可以调用isStatusBarHidden = true和isStatusBarHidden = false来隐藏/显示状态栏