use many pub in different page

covas_mobile/lib/pages/ListItemMenu.dart

@@ -16,7 +16,12 @@ import 'package:permission_handler/permission_handler.dart';
 import "Camera.dart";
 import 'package:camera/camera.dart';
 
-void main() {
+import '../classes/ad_helper.dart';
+import 'package:google_mobile_ads/google_mobile_ads.dart';
+
+void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  await MobileAds.instance.initialize();
   initializeDateFormatting("fr_FR", null).then((_) => runApp(const MyApp()));
 }
 
@@ -40,6 +45,8 @@ class ListItemMenu extends StatefulWidget {
 }
 
 class _MyHomePageState extends State<ListItemMenu> {
+  BannerAd? _bannerAd;
+
   Future<List<Events>> postsFuture = getPosts();
   List<Events> filteredPosts = [];
   String geographicalZone = '';
@@ -138,6 +145,11 @@ class _MyHomePageState extends State<ListItemMenu> {
   @override
   void initState() {
     super.initState();
+    AdHelper.createBannerAd(() => setState(() {})).then((ad) {
+      setState(() {
+        _bannerAd = ad;
+      });
+    });
     // Initialize data fetch when the page loads
     _getCurrentLocation();
   }
@@ -543,6 +555,13 @@ class _MyHomePageState extends State<ListItemMenu> {
       drawer: MyDrawer(),
       body: Column(
         children: [
+          _bannerAd == null
+              ? SizedBox.shrink()
+              : SizedBox(
+                  height: _bannerAd!.size.height.toDouble(),
+                  width: _bannerAd!.size.width.toDouble(),
+                  child: AdWidget(ad: _bannerAd!),
+                ),
           if (showInputSearch)
             _buildSearchField(
               controller: inputItem,