Injection ||| Setup Code

App.Swift

@UIApplicationDelegateAdaptor(AppDelegate.self) var appDelegate

AppDelegate.swift

class AppDelegate: NSObject, UIApplicationDelegate {
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        #if DEBUG
        var injectionBundlePath = "/Applications/InjectionIII.app/Contents/Resources"
        #if targetEnvironment(macCatalyst)
        injectionBundlePath = "\(injectionBundlePath)/macOSInjection.bundle"
        #elseif os(iOS)
        injectionBundlePath = "\(injectionBundlePath)/iOSInjection.bundle"
        #endif
        Bundle(path: injectionBundlePath)?.load()
        #endif
        return true
    }
}

Build Settings

Add - `-Xlinker -interposable` in `Other Linker Flags`

View.swift

// Add this in any of the SwiftUI previews.

#if DEBUG
        @objc class func injected() {
            UIApplication.shared.windows.first?.rootViewController =
                    UIHostingController(rootView: ContentView())
        }
    #endif