Add hosting view controller for RN Root View

ios/Native/UIReactNativeHostingViewController.swift

@@ -0,0 +1,29 @@
+//
+//  UIReactNativeHostingViewController.swift
+//  RNPlayground
+//
+//  Created by Artur Gurgul on 01/08/2025.
+//
+
+import UIKit
+import React
+import React_RCTAppDelegate
+import ReactAppDependencyProvider
+
+class UIReactNativeHostingViewController: UIViewController {
+  
+  var factory: RCTReactNativeFactory
+  
+  init(_ reactNativeFactory: RCTReactNativeFactory) {
+    self.factory = reactNativeFactory
+    super.init(nibName: nil, bundle: nil)
+  }
+  
+  required init?(coder: NSCoder) {
+    fatalError("init(coder:) has not been implemented")
+  }
+  
+  override func loadView() {
+    view = factory.rootViewFactory.view(withModuleName: "RNPlayground")
+  }
+}

ios/RNPlayground/AppDelegate.swift

@@ -22,15 +22,24 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     reactNativeFactory = factory
 
     window = UIWindow(frame: UIScreen.main.bounds)
-
+    
-    factory.startReactNative(
+    startNativeApp()
-      withModuleName: "RNPlayground",
+//    factory.startReactNative(
-      in: window,
+//      withModuleName: "RNPlayground",
-      launchOptions: launchOptions
+//      in: window,
-    )
+//      launchOptions: launchOptions
+//    )
 
     return true
   }
+  
+  func startNativeApp() {
+    guard let window, let reactNativeFactory else {
+      return
+    }
+    window.rootViewController = UIReactNativeHostingViewController(reactNativeFactory)
+    window.makeKeyAndVisible()
+  }
 }
 
 class ReactNativeDelegate: RCTDefaultReactNativeFactoryDelegate {