swiftui-attempt.swift

import UIKit
import SwiftUI

// 🐧 Manager Singleton
class SomeThemeManager: ObservableObject {
    static var shared = SomeThemeManager()
    
    @Published var currentTheme = SomeTheme.normal
}

// 🎨 Theme
struct SomeTheme {
    let mainColor: UIColor
    
    static let normal = SomeTheme(mainColor: UIColor(hexcode: "0000FF"))
    static let emerald = SomeTheme(mainColor: UIColor(hexcode: "31AD00"))
}

// UIKit 🦕
class ViewController2: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        
        view.backgroundColor = .white
        
        let hostingController = UIHostingController(rootView: FunTimeView())
        addChild(hostingController)
        hostingController.view.frame = view.bounds
        view.addSubview(hostingController.view)
        
        // Simulate a button press
        DispatchQueue.main.asyncAfter(deadline: .now() + .seconds(2)) {
            SomeThemeManager.shared.currentTheme = .emerald
        }
    }
}

// SwiftUI 👶
struct FunTimeView: View {
    @StateObject private var manager: SomeThemeManager = .shared
    
    var body: some View {
        Text("Hi there!")
            .foregroundColor(Color(manager.currentTheme.mainColor))
    }
}