fix: adopt UIScene lifecycle so iOS 27 apps launch

template/ios/HelloWorld.xcodeproj/project.pbxproj

@@ -10,6 +10,7 @@
 		0C80B921A6F3F58F76C31292 /* libPods-HelloWorld.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 5DCACB8F33CDC322A6C60F78 /* libPods-HelloWorld.a */; };
 		13B07FBF1A68108700A75B9A /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 13B07FB51A68108700A75B9A /* Images.xcassets */; };
 		761780ED2CA45674006654EE /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 761780EC2CA45674006654EE /* AppDelegate.swift */; };
+		761780EF2CA45674006654EF /* SceneDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 761780EE2CA45674006654EF /* SceneDelegate.swift */; };
 		81AB9BB82411601600AC10FF /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 81AB9BB72411601600AC10FF /* LaunchScreen.storyboard */; };
 /* End PBXBuildFile section */
 
@@ -22,6 +23,7 @@
 		5709B34CF0A7D63546082F79 /* Pods-HelloWorld.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-HelloWorld.release.xcconfig"; path = "Target Support Files/Pods-HelloWorld/Pods-HelloWorld.release.xcconfig"; sourceTree = "<group>"; };
 		5DCACB8F33CDC322A6C60F78 /* libPods-HelloWorld.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = "libPods-HelloWorld.a"; sourceTree = BUILT_PRODUCTS_DIR; };
 		761780EC2CA45674006654EE /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = AppDelegate.swift; path = HelloWorld/AppDelegate.swift; sourceTree = "<group>"; };
+		761780EE2CA45674006654EF /* SceneDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = SceneDelegate.swift; path = HelloWorld/SceneDelegate.swift; sourceTree = "<group>"; };
 		81AB9BB72411601600AC10FF /* LaunchScreen.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; name = LaunchScreen.storyboard; path = HelloWorld/LaunchScreen.storyboard; sourceTree = "<group>"; };
 		ED297162215061F000B7C4FE /* JavaScriptCore.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = JavaScriptCore.framework; path = System/Library/Frameworks/JavaScriptCore.framework; sourceTree = SDKROOT; };
 /* End PBXFileReference section */
@@ -43,6 +45,7 @@
 			children = (
 				13B07FB51A68108700A75B9A /* Images.xcassets */,
 				761780EC2CA45674006654EE /* AppDelegate.swift */,
+				761780EE2CA45674006654EF /* SceneDelegate.swift */,
 				13B07FB61A68108700A75B9A /* Info.plist */,
 				81AB9BB72411601600AC10FF /* LaunchScreen.storyboard */,
 				13B07FB81A68108700A75B9A /* PrivacyInfo.xcprivacy */,
@@ -245,6 +248,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				761780ED2CA45674006654EE /* AppDelegate.swift in Sources */,
+				761780EF2CA45674006654EF /* SceneDelegate.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

template/ios/HelloWorld/AppDelegate.swift

@@ -6,30 +6,29 @@ import ReactAppDependencyProvider
 @main
 class AppDelegate: UIResponder, UIApplicationDelegate {
   var window: UIWindow?
-
   var reactNativeDelegate: ReactNativeDelegate?
   var reactNativeFactory: RCTReactNativeFactory?
+  var launchOptions: [UIApplication.LaunchOptionsKey: Any]?
 
   func application(
     _ application: UIApplication,
     didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? = nil
   ) -> Bool {
-    let delegate = ReactNativeDelegate()
-    let factory = RCTReactNativeFactory(delegate: delegate)
-    delegate.dependencyProvider = RCTAppDependencyProvider()
-
-    reactNativeDelegate = delegate
-    reactNativeFactory = factory
-
-    window = UIWindow(frame: UIScreen.main.bounds)
+    self.launchOptions = launchOptions
+    return true
+  }
 
-    factory.startReactNative(
-      withModuleName: "HelloWorld",
-      in: window,
-      launchOptions: launchOptions
+  func application(
+    _ application: UIApplication,
+    configurationForConnecting connectingSceneSession: UISceneSession,
+    options: UIScene.ConnectionOptions
+  ) -> UISceneConfiguration {
+    let configuration = UISceneConfiguration(
+      name: "Default Configuration",
+      sessionRole: connectingSceneSession.role
     )
-
-    return true
+    configuration.delegateClass = SceneDelegate.self
+    return configuration
   }
 }
 

template/ios/HelloWorld/Info.plist

@@ -36,6 +36,23 @@
 	</dict>
 	<key>NSLocationWhenInUseUsageDescription</key>
 	<string></string>
+	<key>UIApplicationSceneManifest</key>
+	<dict>
+		<key>UIApplicationSupportsMultipleScenes</key>
+		<false/>
+		<key>UISceneConfigurations</key>
+		<dict>
+			<key>UIWindowSceneSessionRoleApplication</key>
+			<array>
+				<dict>
+					<key>UISceneConfigurationName</key>
+					<string>Default Configuration</string>
+					<key>UISceneDelegateClassName</key>
+					<string>$(PRODUCT_MODULE_NAME).SceneDelegate</string>
+				</dict>
+			</array>
+		</dict>
+	</dict>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIRequiredDeviceCapabilities</key>

template/ios/HelloWorld/SceneDelegate.swift

@@ -0,0 +1,39 @@
+import UIKit
+import React
+import React_RCTAppDelegate
+import ReactAppDependencyProvider
+
+class SceneDelegate: UIResponder, UIWindowSceneDelegate {
+  var window: UIWindow?
+  var reactNativeDelegate: ReactNativeDelegate?
+  var reactNativeFactory: RCTReactNativeFactory?
+
+  func scene(
+    _ scene: UIScene,
+    willConnectTo session: UISceneSession,
+    options connectionOptions: UIScene.ConnectionOptions
+  ) {
+    guard let windowScene = scene as? UIWindowScene else {
+      return
+    }
+
+    let appDelegate = UIApplication.shared.delegate as? AppDelegate
+    let rnDelegate = appDelegate?.reactNativeDelegate ?? ReactNativeDelegate()
+    rnDelegate.dependencyProvider = RCTAppDependencyProvider()
+    let factory = appDelegate?.reactNativeFactory ?? RCTReactNativeFactory(delegate: rnDelegate)
+
+    reactNativeDelegate = rnDelegate
+    reactNativeFactory = factory
+    appDelegate?.reactNativeDelegate = rnDelegate
+    appDelegate?.reactNativeFactory = factory
+
+    let window = UIWindow(windowScene: windowScene)
+    factory.startReactNative(
+      withModuleName: "HelloWorld",
+      in: window,
+      launchOptions: appDelegate?.launchOptions
+    )
+    self.window = window
+    appDelegate?.window = window
+  }
+}