diff --git a/flutter_inappwebview/example/lib/in_app_webiew_example.screen.dart b/flutter_inappwebview/example/lib/in_app_webview_example.screen.dart
similarity index 81%
rename from flutter_inappwebview/example/lib/in_app_webiew_example.screen.dart
rename to flutter_inappwebview/example/lib/in_app_webview_example.screen.dart
index 4acc6d966..5338b474f 100755
--- a/flutter_inappwebview/example/lib/in_app_webiew_example.screen.dart
+++ b/flutter_inappwebview/example/lib/in_app_webview_example.screen.dart
@@ -83,11 +83,6 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
           );
   }
 
-  @override
-  void dispose() {
-    super.dispose();
-  }
-
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -125,22 +120,18 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
                   initialSettings: settings,
                   contextMenu: contextMenu,
                   pullToRefreshController: pullToRefreshController,
-                  onWebViewCreated: (controller) async {
-                    webViewController = controller;
-                  },
-                  onLoadStart: (controller, url) {
+                  onWebViewCreated: (controller) =>
+                      webViewController = controller,
+                  onLoadStart: (_, url) {
                     setState(() {
                       this.url = url.toString();
                       urlController.text = this.url;
                     });
                   },
-                  onPermissionRequest: (controller, request) {
-                    return PermissionResponse(
-                        resources: request.resources,
-                        action: PermissionResponseAction.GRANT);
-                  },
-                  shouldOverrideUrlLoading:
-                      (controller, navigationAction) async {
+                  onPermissionRequest: (_, request) => PermissionResponse(
+                      resources: request.resources,
+                      action: PermissionResponseAction.GRANT),
+                  shouldOverrideUrlLoading: (_, navigationAction) async {
                     var uri = navigationAction.request.url!;
 
                     if (![
@@ -164,16 +155,15 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
 
                     return NavigationActionPolicy.ALLOW;
                   },
-                  onLoadStop: (controller, url) {
+                  onLoadStop: (_, url) {
                     pullToRefreshController?.endRefreshing();
                     setState(() {
                       this.url = url.toString();
                       urlController.text = this.url;
                     });
                   },
-                  onReceivedError: (controller, request, error) {
-                    pullToRefreshController?.endRefreshing();
-                  },
+                  onReceivedError: (_, __, ___) =>
+                      pullToRefreshController?.endRefreshing(),
                   onProgressChanged: (controller, progress) {
                     if (progress == 100) {
                       pullToRefreshController?.endRefreshing();
@@ -183,15 +173,14 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
                       urlController.text = this.url;
                     });
                   },
-                  onUpdateVisitedHistory: (controller, url, isReload) {
+                  onUpdateVisitedHistory: (_, url, __) {
                     setState(() {
                       this.url = url.toString();
                       urlController.text = this.url;
                     });
                   },
-                  onConsoleMessage: (controller, consoleMessage) {
-                    print(consoleMessage);
-                  },
+                  onConsoleMessage: (_, consoleMessage) =>
+                      print(consoleMessage),
                 ),
                 progress < 1.0
                     ? LinearProgressIndicator(value: progress)
@@ -201,24 +190,18 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
           ),
           ButtonBar(
             alignment: MainAxisAlignment.center,
-            children: <Widget>[
+            children: [
               ElevatedButton(
                 child: Icon(Icons.arrow_back),
-                onPressed: () {
-                  webViewController?.goBack();
-                },
+                onPressed: () => webViewController?.goBack(),
               ),
               ElevatedButton(
                 child: Icon(Icons.arrow_forward),
-                onPressed: () {
-                  webViewController?.goForward();
-                },
+                onPressed: () => webViewController?.goForward(),
               ),
               ElevatedButton(
                 child: Icon(Icons.refresh),
-                onPressed: () {
-                  webViewController?.reload();
-                },
+                onPressed: () => webViewController?.reload(),
               ),
             ],
           ),
diff --git a/flutter_inappwebview/example/lib/main.dart b/flutter_inappwebview/example/lib/main.dart
index 0a7802bd8..28cf35c5f 100755
--- a/flutter_inappwebview/example/lib/main.dart
+++ b/flutter_inappwebview/example/lib/main.dart
@@ -6,7 +6,7 @@ import 'package:flutter_inappwebview/flutter_inappwebview.dart';
 import 'package:flutter_inappwebview_example/chrome_safari_browser_example.screen.dart';
 import 'package:flutter_inappwebview_example/headless_in_app_webview.screen.dart';
 import 'package:flutter_inappwebview_example/in_app_browser_example.screen.dart';
-import 'package:flutter_inappwebview_example/in_app_webiew_example.screen.dart';
+import 'package:flutter_inappwebview_example/in_app_webview_example.screen.dart';
 import 'package:flutter_inappwebview_example/web_authentication_session_example.screen.dart';
 import 'package:pointer_interceptor/pointer_interceptor.dart';