We can save the small piece of data when the app is closed.

@AppStorage("KEY") var Name: Type = Value

struct ContentView: View {
    @AppStorage("onboarding") var isOnboarindViewActive: Bool = true
    var body: some View {
        ZStack {
            if isOnboarindViewActive {
                OnboardingView()
            }
            else {
                HomeView()
            }
        }
    }
}

struct OnboardingView: View {
    //MARK: - PROPERTIES
    @AppStorage("onboarding") var isOnboardingViewActive : Bool = true
    ...

struct HomeView: View {
    //MARK: - PROPERTIES
    @AppStorage("onboarding") var isOnboardingViewActive : Bool = false
    ...

Once we close the app on HomeView, we will never see the OnboardingView again.

Important: @AppStorage writes your data to UserDefaults, which is not secure storage. As a result, you should not save any personal data using @AppStorage, because it’s relatively easy to extract.

I am always intrigued by the idea of transforming a flat digital screen into an interactive extended screen. After experimenting with the Meta Quest platform using Unity, I found that ecosystem continuity was a significant challenge. I believe that with Apple's ecosystem, Vision Pro can refine and establish the concept of spatial computing apps. Despite lacking a computer science background, I am eager to embrace this challenge and enhance people's interactive experiences with the world.