Initial project

apps/im_app/ios/Runner/SceneDelegate.swift

@@ -0,0 +1,29 @@
+import UIKit
+import Flutter
+
+@objc class SceneDelegate: FlutterSceneDelegate {
+  var flutterViewController: FlutterViewController?
+
+  override func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
+    guard let windowScene = scene as? UIWindowScene else { return }
+
+    window = UIWindow(windowScene: windowScene)
+
+    let flutterVC = FlutterViewController()
+    flutterViewController = flutterVC
+
+    window?.rootViewController = flutterVC
+    window?.makeKeyAndVisible()
+
+    registerSceneLifeCycle(with: flutterVC.engine)
+
+    super.scene(scene, willConnectTo: session, options: connectionOptions)
+  }
+
+  override func sceneDidDisconnect(_ scene: UIScene) {
+    if let flutterVC = flutterViewController {
+      self.unregisterSceneLifeCycle(with: flutterVC.engine)
+    }
+    super.sceneDidDisconnect(scene)
+  }
+}