Added ads

lib/widgets/ad_banner.dart

@@ -0,0 +1,58 @@
+import 'package:google_mobile_ads/google_mobile_ads.dart';
+import 'package:flutter/material.dart';
+
+class MyBannerAd extends StatefulWidget {
+  final bool isEnabled;
+  const MyBannerAd({super.key, required this.isEnabled});
+
+  @override
+  State<MyBannerAd> createState() => _MyBannerAdState();
+}
+
+class _MyBannerAdState extends State<MyBannerAd> {
+  BannerAd? _bannerAd;
+  bool _isLoaded = false;
+  bool _isInitializing = false;
+
+  @override
+  void initState() {
+    super.initState();
+    if (widget.isEnabled) {
+      _loadAd();
+    }
+  }
+
+  void _loadAd() async {
+    _bannerAd = BannerAd(
+      adUnitId: 'ca-app-pub-2626773788355001/7557216229',
+      request: const AdRequest(),
+      size: AdSize.banner,
+      listener: BannerAdListener(
+        onAdLoaded: (ad) => setState(() => _isLoaded = true),
+        onAdFailedToLoad: (ad, error) {
+          ad.dispose();
+          print('Ad failed to load: $error');
+        },
+      ),
+    )..load();
+  }
+
+  @override
+  void dispose() {
+    _bannerAd?.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if (!widget.isEnabled || !_isLoaded || _bannerAd == null) {
+      return const SizedBox.shrink();
+    }
+    return Container(
+      alignment: Alignment.center,
+      width: double.infinity,
+      height: _bannerAd!.size.height.toDouble(),
+      child: AdWidget(ad: _bannerAd!),
+    );
+  }
+}