[local_auth_darwin][UIScene] Add UIScene lifecycle support

packages/local_auth/local_auth_darwin/CHANGELOG.md

@@ -1,3 +1,8 @@
+## 2.0.2
+
+* Improves compatibility with UIScene.
+* Updates minimum supported SDK version to Flutter 3.38/Dart 3.10.
+
 ## 2.0.1
 
 * Updates to Pigeon 26.

packages/local_auth/local_auth_darwin/darwin/local_auth_darwin/Sources/local_auth_darwin/LocalAuthPlugin.swift

@@ -43,7 +43,13 @@ public final class LocalAuthPlugin: NSObject, FlutterPlugin, LocalAuthApi, @unch
   public static func register(with registrar: FlutterPluginRegistrar) {
     let instance = LocalAuthPlugin(
       contextFactory: DefaultAuthContextFactory())
+    // Register for both application and scene delegates for backward compatibility.
+    // Apps using UIScene lifecycle will receive sceneDidBecomeActive,
+    // while apps not yet migrated will receive applicationDidBecomeActive.
     registrar.addApplicationDelegate(instance)
+    #if os(iOS)
+      registrar.addSceneDelegate(instance)
+    #endif
     // Workaround for https://github.com/flutter/flutter/issues/118103.
     #if os(iOS)
       let messenger = registrar.messenger()
@@ -249,18 +255,36 @@ public final class LocalAuthPlugin: NSObject, FlutterPlugin, LocalAuthApi, @unch
       ))
   }
 
+  private func retryStickyAuth() {
+    if let lastCallState = self.lastCallState {
+      authenticate(
+        options: lastCallState.options,
+        strings: lastCallState.strings,
+        completion: lastCallState.resultHandler)
+    }
+  }
+
   // MARK: App delegate
 
-  // This method is called when the app is resumed from the background only on iOS
+  // These methods are called when the app is resumed from the background only on iOS.
+  // Both are kept for backward compatibility: sceneDidBecomeActive for apps using UIScene lifecycle,
+  // and applicationDidBecomeActive for apps that haven't migrated yet.
   #if os(iOS)
+    @MainActor
+    public func sceneDidBecomeActive(_ scene: UIScene) {
+      retryStickyAuth()
+    }
+
+    @MainActor
     public func applicationDidBecomeActive(_ application: UIApplication) {
-      if let lastCallState = self.lastCallState {
-        authenticate(
-          options: lastCallState.options,
-          strings: lastCallState.strings,
-          completion: lastCallState.resultHandler)
-      }
+      retryStickyAuth()
     }
   #endif  // os(iOS)
 
 }
+
+// MARK: - FlutterSceneLifeCycleDelegate
+
+#if os(iOS)
+  extension LocalAuthPlugin: FlutterSceneLifeCycleDelegate {}
+#endif

packages/local_auth/local_auth_darwin/example/ios/Runner/AppDelegate.h

@@ -5,6 +5,9 @@
 #import <Flutter/Flutter.h>
 #import <UIKit/UIKit.h>
 
-@interface AppDelegate : FlutterAppDelegate
+// FlutterImplicitEngineDelegate is required for UIScene lifecycle.
+// It provides a callback (didInitializeImplicitFlutterEngine:) that fires
+// after the Flutter engine is ready, which is when plugins should be registered.
+@interface AppDelegate : FlutterAppDelegate <FlutterImplicitEngineDelegate>
 
 @end

packages/local_auth/local_auth_darwin/example/ios/Runner/AppDelegate.m

@@ -9,9 +9,12 @@ @implementation AppDelegate
 
 - (BOOL)application:(UIApplication *)application
     didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
-  [GeneratedPluginRegistrant registerWithRegistry:self];
   // Override point for customization after application launch.
   return [super application:application didFinishLaunchingWithOptions:launchOptions];
 }
 
+- (void)didInitializeImplicitFlutterEngine:(NSObject<FlutterImplicitEngineBridge> *)engineBridge {
+  [GeneratedPluginRegistrant registerWithRegistry:engineBridge.pluginRegistry];
+}
+
 @end

packages/local_auth/local_auth_darwin/example/ios/Runner/Info.plist

@@ -49,5 +49,26 @@
 	<true/>
 	<key>UIApplicationSupportsIndirectInputEvents</key>
 	<true/>
+	<key>UIApplicationSceneManifest</key>
+	<dict>
+		<key>UIApplicationSupportsMultipleScenes</key>
+		<false/>
+		<key>UISceneConfigurations</key>
+		<dict>
+			<key>UIWindowSceneSessionRoleApplication</key>
+			<array>
+				<dict>
+					<key>UISceneClassName</key>
+					<string>UIWindowScene</string>
+					<key>UISceneDelegateClassName</key>
+					<string>FlutterSceneDelegate</string>
+					<key>UISceneConfigurationName</key>
+					<string>flutter</string>
+					<key>UISceneStoryboardFile</key>
+					<string>Main</string>
+				</dict>
+			</array>
+		</dict>
+	</dict>
 </dict>
 </plist>

packages/local_auth/local_auth_darwin/pubspec.yaml

@@ -2,11 +2,11 @@ name: local_auth_darwin
 description: iOS implementation of the local_auth plugin.
 repository: https://github.com/flutter/packages/tree/main/packages/local_auth/local_auth_darwin
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+local_auth%22
-version: 2.0.1
+version: 2.0.2
 
 environment:
-  sdk: ^3.9.0
-  flutter: ">=3.35.0"
+  sdk: ^3.10.0
+  flutter: ">=3.38.0"
 
 flutter:
   plugin: