diff --git a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/common/function_flutter_api_impls.dart b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/common/function_flutter_api_impls.dart
new file mode 100644
index 000000000000..c6eb711513d2
--- /dev/null
+++ b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/common/function_flutter_api_impls.dart
@@ -0,0 +1,25 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'instance_manager.dart';
+import 'web_kit.pigeon.dart';
+
+/// Flutter api to dispose functions.
+class FunctionFlutterApiImpl extends FunctionFlutterApi {
+  /// Constructs a [FunctionFlutterApiImpl].
+  FunctionFlutterApiImpl({InstanceManager? instanceManager}) {
+    this.instanceManager = instanceManager ?? InstanceManager.instance;
+  }
+
+  /// Maintains instances stored to communicate with native language objects.
+  late final InstanceManager instanceManager;
+
+  @override
+  void dispose(int instanceId) {
+    final Function? function = instanceManager.getInstance(instanceId);
+    if (function != null) {
+      instanceManager.removeInstance(function);
+    }
+  }
+}
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/common/web_kit.pigeon.dart b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/common/web_kit.pigeon.dart
index 22013d2ff0cc..42f2ea344286 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/common/web_kit.pigeon.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/common/web_kit.pigeon.dart
@@ -1017,6 +1017,75 @@ class WKNavigationDelegateHostApi {
       return;
     }
   }
+
+  Future<void> setDidFinishNavigation(
+      int arg_instanceId, int? arg_functionInstanceId) async {
+    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
+        'dev.flutter.pigeon.WKNavigationDelegateHostApi.setDidFinishNavigation',
+        codec,
+        binaryMessenger: _binaryMessenger);
+    final Map<Object?, Object?>? replyMap =
+        await channel.send(<Object?>[arg_instanceId, arg_functionInstanceId])
+            as Map<Object?, Object?>?;
+    if (replyMap == null) {
+      throw PlatformException(
+        code: 'channel-error',
+        message: 'Unable to establish connection on channel.',
+      );
+    } else if (replyMap['error'] != null) {
+      final Map<Object?, Object?> error =
+          (replyMap['error'] as Map<Object?, Object?>?)!;
+      throw PlatformException(
+        code: (error['code'] as String?)!,
+        message: error['message'] as String?,
+        details: error['details'],
+      );
+    } else {
+      return;
+    }
+  }
+}
+
+class _WKNavigationDelegateFlutterApiCodec extends StandardMessageCodec {
+  const _WKNavigationDelegateFlutterApiCodec();
+}
+
+abstract class WKNavigationDelegateFlutterApi {
+  static const MessageCodec<Object?> codec =
+      _WKNavigationDelegateFlutterApiCodec();
+
+  void didFinishNavigation(
+      int functionInstanceId, int webViewInstanceId, String? url);
+  static void setup(WKNavigationDelegateFlutterApi? api,
+      {BinaryMessenger? binaryMessenger}) {
+    {
+      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
+          'dev.flutter.pigeon.WKNavigationDelegateFlutterApi.didFinishNavigation',
+          codec,
+          binaryMessenger: binaryMessenger);
+      if (api == null) {
+        channel.setMessageHandler(null);
+      } else {
+        channel.setMessageHandler((Object? message) async {
+          assert(message != null,
+              'Argument for dev.flutter.pigeon.WKNavigationDelegateFlutterApi.didFinishNavigation was null.');
+          final List<Object?> args = (message as List<Object?>?)!;
+          final int? arg_functionInstanceId = (args[0] as int?);
+          assert(arg_functionInstanceId != null,
+              'Argument for dev.flutter.pigeon.WKNavigationDelegateFlutterApi.didFinishNavigation was null, expected non-null int.');
+          final int? arg_webViewInstanceId = (args[1] as int?);
+          assert(arg_webViewInstanceId != null,
+              'Argument for dev.flutter.pigeon.WKNavigationDelegateFlutterApi.didFinishNavigation was null, expected non-null int.');
+          final String? arg_url = (args[2] as String?);
+          assert(arg_url != null,
+              'Argument for dev.flutter.pigeon.WKNavigationDelegateFlutterApi.didFinishNavigation was null, expected non-null String.');
+          api.didFinishNavigation(
+              arg_functionInstanceId!, arg_webViewInstanceId!, arg_url!);
+          return;
+        });
+      }
+    }
+  }
 }
 
 class _NSObjectHostApiCodec extends StandardMessageCodec {
@@ -1137,6 +1206,38 @@ class NSObjectHostApi {
   }
 }
 
+class _FunctionFlutterApiCodec extends StandardMessageCodec {
+  const _FunctionFlutterApiCodec();
+}
+
+abstract class FunctionFlutterApi {
+  static const MessageCodec<Object?> codec = _FunctionFlutterApiCodec();
+
+  void dispose(int instanceId);
+  static void setup(FunctionFlutterApi? api,
+      {BinaryMessenger? binaryMessenger}) {
+    {
+      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
+          'dev.flutter.pigeon.FunctionFlutterApi.dispose', codec,
+          binaryMessenger: binaryMessenger);
+      if (api == null) {
+        channel.setMessageHandler(null);
+      } else {
+        channel.setMessageHandler((Object? message) async {
+          assert(message != null,
+              'Argument for dev.flutter.pigeon.FunctionFlutterApi.dispose was null.');
+          final List<Object?> args = (message as List<Object?>?)!;
+          final int? arg_instanceId = (args[0] as int?);
+          assert(arg_instanceId != null,
+              'Argument for dev.flutter.pigeon.FunctionFlutterApi.dispose was null, expected non-null int.');
+          api.dispose(arg_instanceId!);
+          return;
+        });
+      }
+    }
+  }
+}
+
 class _WKWebViewHostApiCodec extends StandardMessageCodec {
   const _WKWebViewHostApiCodec();
   @override
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/foundation/foundation.dart b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/foundation/foundation.dart
index 8aa315aa10ee..24dd55ac3ec8 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/foundation/foundation.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/foundation/foundation.dart
@@ -149,7 +149,11 @@ class NSObject {
       : _api = NSObjectHostApiImpl(
           binaryMessenger: binaryMessenger,
           instanceManager: instanceManager,
-        );
+        ) {
+    // Ensures FlutterApis for the Foundation library and FunctionFlutterApi are
+    // set up.
+    FoundationFlutterApis.instance.ensureSetUp();
+  }
 
   final NSObjectHostApiImpl _api;
 
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/foundation/foundation_api_impls.dart b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/foundation/foundation_api_impls.dart
index ec0d60cc748e..b007d1a8312c 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/foundation/foundation_api_impls.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/foundation/foundation_api_impls.dart
@@ -2,8 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';
 
+import '../common/function_flutter_api_impls.dart';
 import '../common/instance_manager.dart';
 import '../common/web_kit.pigeon.dart';
 import 'foundation.dart';
@@ -35,6 +37,54 @@ Iterable<NSKeyValueObservingOptionsEnumData>
   });
 }
 
+/// Handles initialization of Flutter APIs for the Foundation library.
+class FoundationFlutterApis {
+  /// Constructs a [FoundationFlutterApis].
+  @visibleForTesting
+  FoundationFlutterApis({
+    BinaryMessenger? binaryMessenger,
+    InstanceManager? instanceManager,
+  }) : _binaryMessenger = binaryMessenger {
+    functionFlutterApi =
+        FunctionFlutterApiImpl(instanceManager: instanceManager);
+  }
+
+  static FoundationFlutterApis _instance = FoundationFlutterApis();
+
+  /// Sets the global instance containing the Flutter Apis for the Foundation library.
+  @visibleForTesting
+  static set instance(FoundationFlutterApis instance) {
+    _instance = instance;
+  }
+
+  /// Global instance containing the Flutter Apis for the Foundation library.
+  static FoundationFlutterApis get instance {
+    return _instance;
+  }
+
+  final BinaryMessenger? _binaryMessenger;
+  bool _hasBeenSetUp = false;
+
+  /// Flutter Api for disposing functions.
+  ///
+  /// This FlutterApi is placed here because [FoundationFlutterApis.ensureSetUp]
+  /// is called inside [NSObject] and [NSObject] is the parent class of all
+  /// objects.
+  @visibleForTesting
+  late final FunctionFlutterApiImpl functionFlutterApi;
+
+  /// Ensures all the Flutter APIs have been set up to receive calls from native code.
+  void ensureSetUp() {
+    if (!_hasBeenSetUp) {
+      FunctionFlutterApi.setup(
+        functionFlutterApi,
+        binaryMessenger: _binaryMessenger,
+      );
+      _hasBeenSetUp = true;
+    }
+  }
+}
+
 /// Host api implementation for [NSObject].
 class NSObjectHostApiImpl extends NSObjectHostApi {
   /// Constructs an [NSObjectHostApiImpl].
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/web_kit/web_kit.dart b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/web_kit/web_kit.dart
index 0703ce1267d9..2775507a0427 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/web_kit/web_kit.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/web_kit/web_kit.dart
@@ -515,15 +515,20 @@ class WKUIDelegate {
 /// coordinate changes in your web view’s main frame.
 ///
 /// Wraps [WKNavigationDelegate](https://developer.apple.com/documentation/webkit/wknavigationdelegate?language=objc).
-class WKNavigationDelegate {
+class WKNavigationDelegate extends NSObject {
   /// Constructs a [WKNavigationDelegate].
   WKNavigationDelegate({
     BinaryMessenger? binaryMessenger,
     InstanceManager? instanceManager,
-  }) : _navigationDelegateApi = WKNavigationDelegateHostApiImpl(
+  })  : _navigationDelegateApi = WKNavigationDelegateHostApiImpl(
+          binaryMessenger: binaryMessenger,
+          instanceManager: instanceManager,
+        ),
+        super(
           binaryMessenger: binaryMessenger,
           instanceManager: instanceManager,
         ) {
+    WebKitFlutterApis.instance.ensureSetUp();
     _navigationDelegateApi.createForInstances(this);
   }
 
@@ -531,10 +536,7 @@ class WKNavigationDelegate {
 
   /// Called when navigation from the main frame has started.
   Future<void> setDidStartProvisionalNavigation(
-    void Function(
-      WKWebView webView,
-      String? url,
-    )?
+    void Function(WKWebView webView, String? url)?
         didStartProvisionalNavigation,
   ) {
     throw UnimplementedError();
@@ -544,7 +546,10 @@ class WKNavigationDelegate {
   Future<void> setDidFinishNavigation(
     void Function(WKWebView webView, String? url)? didFinishNavigation,
   ) {
-    throw UnimplementedError();
+    return _navigationDelegateApi.setDidFinishNavigationFromInstance(
+      this,
+      didFinishNavigation,
+    );
   }
 
   /// Called when permission is needed to navigate to new content.
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/web_kit/web_kit_api_impls.dart b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/web_kit/web_kit_api_impls.dart
index 188f65cbe177..40b0f872d37b 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/web_kit/web_kit_api_impls.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/web_kit/web_kit_api_impls.dart
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';
 
 import '../common/instance_manager.dart';
@@ -106,6 +107,51 @@ extension _NSUrlRequestConverter on NSUrlRequest {
   }
 }
 
+/// Handles initialization of Flutter APIs for WebKit.
+class WebKitFlutterApis {
+  /// Constructs a [WebKitFlutterApis].
+  @visibleForTesting
+  WebKitFlutterApis({
+    BinaryMessenger? binaryMessenger,
+    InstanceManager? instanceManager,
+  }) : _binaryMessenger = binaryMessenger {
+    navigationDelegateFlutterApi = WKNavigationDelegateFlutterApiImpl(
+      instanceManager: instanceManager,
+    );
+  }
+
+  static WebKitFlutterApis _instance = WebKitFlutterApis();
+
+  /// Sets the global instance containing the Flutter Apis for the WebKit library.
+  @visibleForTesting
+  static set instance(WebKitFlutterApis instance) {
+    _instance = instance;
+  }
+
+  /// Global instance containing the Flutter Apis for the WebKit library.
+  static WebKitFlutterApis get instance {
+    return _instance;
+  }
+
+  final BinaryMessenger? _binaryMessenger;
+  bool _hasBeenSetUp = false;
+
+  /// Flutter Api for [WKNavigationDelegate].
+  @visibleForTesting
+  late final WKNavigationDelegateFlutterApiImpl navigationDelegateFlutterApi;
+
+  /// Ensures all the Flutter APIs have been set up to receive calls from native code.
+  void ensureSetUp() {
+    if (!_hasBeenSetUp) {
+      WKNavigationDelegateFlutterApi.setup(
+        navigationDelegateFlutterApi,
+        binaryMessenger: _binaryMessenger,
+      );
+      _hasBeenSetUp = true;
+    }
+  }
+}
+
 /// Host api implementation for [WKWebSiteDataStore].
 class WKWebsiteDataStoreHostApiImpl extends WKWebsiteDataStoreHostApi {
   /// Constructs a [WebsiteDataStoreHostApiImpl].
@@ -381,6 +427,47 @@ class WKNavigationDelegateHostApiImpl extends WKNavigationDelegateHostApi {
       await create(instanceId);
     }
   }
+
+  /// Calls [setDidFinishNavigation] with the ids of the provided object instances.
+  Future<void> setDidFinishNavigationFromInstance(
+    WKNavigationDelegate instance,
+    void Function(WKWebView, String?)? didFinishNavigation,
+  ) {
+    int? functionInstanceId;
+    if (didFinishNavigation != null) {
+      functionInstanceId = instanceManager.getInstanceId(didFinishNavigation) ??
+          instanceManager.tryAddInstance(didFinishNavigation)!;
+    }
+    return setDidFinishNavigation(
+      instanceManager.getInstanceId(instance)!,
+      functionInstanceId,
+    );
+  }
+}
+
+/// Flutter api implementation for [WKNavigationDelegate].
+class WKNavigationDelegateFlutterApiImpl
+    extends WKNavigationDelegateFlutterApi {
+  /// Constructs a [WKNavigationDelegateFlutterApiImpl].
+  WKNavigationDelegateFlutterApiImpl({InstanceManager? instanceManager}) {
+    this.instanceManager = instanceManager ?? InstanceManager.instance;
+  }
+
+  /// Maintains instances stored to communicate with native language objects.
+  late final InstanceManager instanceManager;
+
+  @override
+  void didFinishNavigation(
+    int functionInstanceId,
+    int webViewInstanceId,
+    String? url,
+  ) {
+    final void Function(
+      WKWebView webView,
+      String? url,
+    ) function = instanceManager.getInstance(functionInstanceId)!;
+    function(instanceManager.getInstance(webViewInstanceId)!, url);
+  }
 }
 
 /// Host api implementation for [WKWebView].
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/pigeons/web_kit.dart b/packages/webview_flutter/webview_flutter_wkwebview/pigeons/web_kit.dart
index 0d5328dda8d6..12a9237a9a97 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/pigeons/web_kit.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/pigeons/web_kit.dart
@@ -281,6 +281,20 @@ abstract class WKScriptMessageHandlerHostApi {
 @HostApi(dartHostTestHandler: 'TestWKNavigationDelegateHostApi')
 abstract class WKNavigationDelegateHostApi {
   void create(int instanceId);
+
+  void setDidFinishNavigation(int instanceId, int? functionInstanceId);
+}
+
+/// Mirror of WKNavigationDelegate.
+///
+/// See https://developer.apple.com/documentation/webkit/wknavigationdelegate?language=objc.
+@FlutterApi()
+abstract class WKNavigationDelegateFlutterApi {
+  void didFinishNavigation(
+    int functionInstanceId,
+    int webViewInstanceId,
+    String? url,
+  );
 }
 
 /// Mirror of NSObject.
@@ -300,6 +314,12 @@ abstract class NSObjectHostApi {
   void removeObserver(int instanceId, int observerInstanceId, String keyPath);
 }
 
+/// Disposes references to functions.
+@FlutterApi()
+abstract class FunctionFlutterApi {
+  void dispose(int instanceId);
+}
+
 /// Mirror of WKWebView.
 ///
 /// See https://developer.apple.com/documentation/webkit/wkwebview?language=objc.
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/test/src/common/function_flutter_api_test.dart b/packages/webview_flutter/webview_flutter_wkwebview/test/src/common/function_flutter_api_test.dart
new file mode 100644
index 000000000000..63e59386ceaf
--- /dev/null
+++ b/packages/webview_flutter/webview_flutter_wkwebview/test/src/common/function_flutter_api_test.dart
@@ -0,0 +1,33 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:webview_flutter_wkwebview/src/common/instance_manager.dart';
+import 'package:webview_flutter_wkwebview/src/common/web_kit.pigeon.dart';
+import 'package:webview_flutter_wkwebview/src/foundation/foundation_api_impls.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  group('$FunctionFlutterApi', () {
+    late InstanceManager instanceManager;
+
+    setUp(() {
+      instanceManager = InstanceManager();
+    });
+
+    test('dispose', () {
+      final Function function = () {};
+      final int functionInstanceId = instanceManager.tryAddInstance(function)!;
+
+      FoundationFlutterApis.instance = FoundationFlutterApis(
+        instanceManager: instanceManager,
+      )..ensureSetUp();
+
+      FoundationFlutterApis.instance.functionFlutterApi
+          .dispose(functionInstanceId);
+      expect(instanceManager.getInstanceId(function), isNull);
+    });
+  });
+}
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/test/src/common/test_web_kit.pigeon.dart b/packages/webview_flutter/webview_flutter_wkwebview/test/src/common/test_web_kit.pigeon.dart
index 78e4b9dcfd3d..e35f37eac826 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/test/src/common/test_web_kit.pigeon.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/test/src/common/test_web_kit.pigeon.dart
@@ -707,6 +707,7 @@ abstract class TestWKNavigationDelegateHostApi {
       _TestWKNavigationDelegateHostApiCodec();
 
   void create(int instanceId);
+  void setDidFinishNavigation(int instanceId, int? functionInstanceId);
   static void setup(TestWKNavigationDelegateHostApi? api,
       {BinaryMessenger? binaryMessenger}) {
     {
@@ -728,6 +729,29 @@ abstract class TestWKNavigationDelegateHostApi {
         });
       }
     }
+    {
+      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
+          'dev.flutter.pigeon.WKNavigationDelegateHostApi.setDidFinishNavigation',
+          codec,
+          binaryMessenger: binaryMessenger);
+      if (api == null) {
+        channel.setMockMessageHandler(null);
+      } else {
+        channel.setMockMessageHandler((Object? message) async {
+          assert(message != null,
+              'Argument for dev.flutter.pigeon.WKNavigationDelegateHostApi.setDidFinishNavigation was null.');
+          final List<Object?> args = (message as List<Object?>?)!;
+          final int? arg_instanceId = (args[0] as int?);
+          assert(arg_instanceId != null,
+              'Argument for dev.flutter.pigeon.WKNavigationDelegateHostApi.setDidFinishNavigation was null, expected non-null int.');
+          final int? arg_functionInstanceId = (args[1] as int?);
+          assert(arg_functionInstanceId != null,
+              'Argument for dev.flutter.pigeon.WKNavigationDelegateHostApi.setDidFinishNavigation was null, expected non-null int.');
+          api.setDidFinishNavigation(arg_instanceId!, arg_functionInstanceId!);
+          return <Object?, Object?>{};
+        });
+      }
+    }
   }
 }
 
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/test/src/foundation/foundation_test.mocks.dart b/packages/webview_flutter/webview_flutter_wkwebview/test/src/foundation/foundation_test.mocks.dart
index 7bd208eeac05..b8552c5d8157 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/test/src/foundation/foundation_test.mocks.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/test/src/foundation/foundation_test.mocks.dart
@@ -1,5 +1,5 @@
 // Mocks generated by Mockito 5.1.0 from annotations
-// in webview_flutter_wkwebview/example/ios/.symlinks/plugins/webview_flutter_wkwebview/test/src/foundation/foundation_test.dart.
+// in webview_flutter_wkwebview/test/src/foundation/foundation_test.dart.
 // Do not manually edit this file.
 
 import 'package:mockito/mockito.dart' as _i1;
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit/web_kit_test.dart b/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit/web_kit_test.dart
index d51fa9793dd4..f4714eb6d484 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit/web_kit_test.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit/web_kit_test.dart
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import 'dart:async';
+
 import 'package:flutter_test/flutter_test.dart';
 import 'package:mockito/annotations.dart';
 import 'package:mockito/mockito.dart';
@@ -9,6 +11,7 @@ import 'package:webview_flutter_wkwebview/src/common/instance_manager.dart';
 import 'package:webview_flutter_wkwebview/src/common/web_kit.pigeon.dart';
 import 'package:webview_flutter_wkwebview/src/foundation/foundation.dart';
 import 'package:webview_flutter_wkwebview/src/web_kit/web_kit.dart';
+import 'package:webview_flutter_wkwebview/src/web_kit/web_kit_api_impls.dart';
 
 import '../common/test_web_kit.pigeon.dart';
 import 'web_kit_test.mocks.dart';
@@ -28,9 +31,12 @@ void main() {
 
   group('WebKit', () {
     late InstanceManager instanceManager;
+    late WebKitFlutterApis flutterApis;
 
     setUp(() {
       instanceManager = InstanceManager();
+      flutterApis = WebKitFlutterApis(instanceManager: instanceManager);
+      WebKitFlutterApis.instance = flutterApis;
     });
 
     group('$WKWebsiteDataStore', () {
@@ -319,12 +325,23 @@ void main() {
     group('$WKNavigationDelegate', () {
       late MockTestWKNavigationDelegateHostApi mockPlatformHostApi;
 
+      late WKWebView webView;
+
       late WKNavigationDelegate navigationDelegate;
 
       setUp(() async {
         mockPlatformHostApi = MockTestWKNavigationDelegateHostApi();
         TestWKNavigationDelegateHostApi.setup(mockPlatformHostApi);
 
+        TestWKWebViewConfigurationHostApi.setup(
+          MockTestWKWebViewConfigurationHostApi(),
+        );
+        TestWKWebViewHostApi.setup(MockTestWKWebViewHostApi());
+        webView = WKWebView(
+          WKWebViewConfiguration(instanceManager: instanceManager),
+          instanceManager: instanceManager,
+        );
+
         navigationDelegate = WKNavigationDelegate(
           instanceManager: instanceManager,
         );
@@ -332,6 +349,8 @@ void main() {
 
       tearDown(() {
         TestWKNavigationDelegateHostApi.setup(null);
+        TestWKWebViewConfigurationHostApi.setup(null);
+        TestWKWebViewHostApi.setup(null);
       });
 
       test('create', () async {
@@ -339,6 +358,31 @@ void main() {
           instanceManager.getInstanceId(navigationDelegate),
         ));
       });
+
+      test('setDidFinishNavigation', () async {
+        final Completer<List<Object?>> argsCompleter =
+            Completer<List<Object?>>();
+
+        navigationDelegate.setDidFinishNavigation(
+          (WKWebView webView, String? url) {
+            argsCompleter.complete(<Object?>[webView, url]);
+          },
+        );
+
+        final int functionInstanceId =
+            verify(mockPlatformHostApi.setDidFinishNavigation(
+          instanceManager.getInstanceId(navigationDelegate),
+          captureAny,
+        )).captured.single as int;
+
+        flutterApis.navigationDelegateFlutterApi.didFinishNavigation(
+          functionInstanceId,
+          instanceManager.getInstanceId(webView)!,
+          'url',
+        );
+
+        expect(argsCompleter.future, completion(<Object?>[webView, 'url']));
+      });
     });
 
     group('$WKWebView', () {
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit/web_kit_test.mocks.dart b/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit/web_kit_test.mocks.dart
index a2f16317f1fe..621093d48373 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit/web_kit_test.mocks.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit/web_kit_test.mocks.dart
@@ -33,6 +33,12 @@ class MockTestWKNavigationDelegateHostApi extends _i1.Mock
   void create(int? instanceId) =>
       super.noSuchMethod(Invocation.method(#create, [instanceId]),
           returnValueForMissingStub: null);
+  @override
+  void setDidFinishNavigation(int? instanceId, int? functionInstanceId) =>
+      super.noSuchMethod(
+          Invocation.method(
+              #setDidFinishNavigation, [instanceId, functionInstanceId]),
+          returnValueForMissingStub: null);
 }
 
 /// A class which mocks [TestWKPreferencesHostApi].
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit_webview_widget_test.mocks.dart b/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit_webview_widget_test.mocks.dart
index 6c34e0c72004..00b20d5b4304 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit_webview_widget_test.mocks.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit_webview_widget_test.mocks.dart
@@ -1,5 +1,5 @@
 // Mocks generated by Mockito 5.1.0 from annotations
-// in webview_flutter_wkwebview/example/ios/.symlinks/plugins/webview_flutter_wkwebview/test/src/web_kit_webview_widget_test.dart.
+// in webview_flutter_wkwebview/test/src/web_kit_webview_widget_test.dart.
 // Do not manually edit this file.
 
 import 'dart:async' as _i5;