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How can I hide the titlebar of a Mac Catalyst app?

Time:05-16

Here's the official link: https://developer.apple.com/documentation/uikit/mac_catalyst/removing_the_title_bar_in_your_mac_app_built_with_mac_catalyst?language=objc

I can't figure out how to translate the code to Objective-C. There's an option on the top of the page but it doesn't work.

func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
    
    guard let windowScene = (scene as? UIWindowScene) else { return }
    
    #if targetEnvironment(macCatalyst)
    if let titlebar = windowScene.titlebar {
        titlebar.titleVisibility = .hidden
        titlebar.toolbar = nil
    }
    #endif

}

CodePudding user response:

Inside SceneDelegate.h add this code to the scene:WillConnectToSession:options: method:

- (void)scene:(UIScene *)scene willConnectToSession:(UISceneSession *)session options:(UISceneConnectionOptions *)connectionOptions {
    // Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`.
    // If using a storyboard, the `window` property will automatically be initialized and attached to the scene.
    // This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead).
    
#if TARGET_OS_MACCATALYST
    // Code specific to Mac.
    
    [(UIWindowScene *)scene titlebar].titleVisibility = UITitlebarTitleVisibilityHidden;
    
    [(UIWindowScene *)scene titlebar].toolbar = nil;
    
#else
    // Code to exclude from Mac.
#endif

}

It works.

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