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Author: JWI

Sources/UIKitBackend/UIKitBackend.swift

@@ -214,15 +214,22 @@ open class ApplicationDelegate: UIResponder, UIApplicationDelegate {
         _ application: UIApplication,
         didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
     ) -> Bool {
+        if UIKitBackend.mainWindow == nil {
+            let window = UIWindow(frame: UIScreen.main.bounds)
+            window.rootViewController = RootViewController(backend: UIKitBackend()) // Your main VC
+            window.makeKeyAndVisible()
+            UIKitBackend.mainWindow = window
+        }
+
         if let onReceiveURL = UIKitBackend.onReceiveURL,
-            let url = launchOptions?[.url] as? URL
-        {
+           let url = launchOptions?[.url] as? URL {
             onReceiveURL(url)
         }
 
         return true
     }
 
+
     /// Asks the delegate to open a resource specified by a URL, and provides a dictionary of launch options.
     ///
     /// If you override this method in a subclass, you should call