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I wanna make some app on macOS using SwfitUI.

Following the iOS, there is SceneDelegate (after iOS 13). But in macOS, there is only AppDelegate.

OK. I wanna use environmentObject on SceneDelegate's scene method

window.rootViewController = UIHostingController(rootView: contentView .environmentObject(mainController) )

to use @EnvironmentObject property wrapper in my ContentView.

Literally I can't implement .environmentObject() cuz in macOS there is no SceneDelegate!

How can I solve this problem?

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1 Answer 1

Reset to default
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Here is default generated AppDelegate for macOS SwiftUI project, and how environment object can be set for content view in it.

func applicationDidFinishLaunching(_ aNotification: Notification) { // Create content view let contentView = ContentView().environmentObject(AppSettings()) // Create the window and set the content view. window = NSWindow( contentRect: NSRect(x: 0, y: 0, width: 800, height: 600), styleMask: [.titled, .closable, .miniaturizable], backing: .buffered, defer: false) window.center() window.setFrameAutosaveName("Main Window") window.contentView = NSHostingView(rootView: contentView) window.makeKeyAndOrderFront(nil) window.autorecalculatesKeyViewLoop = true }
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