native_googleads 0.0.2 
native_googleads: ^0.0.2 copied to clipboard
A Flutter plugin for integrating Google Mobile Ads (AdMob) using native platform implementations. Supports interstitial and rewarded ads with comprehensive callbacks.
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:native_googleads/native_googleads.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Native Google Ads Example',
theme: ThemeData(
colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
useMaterial3: true,
),
home: const HomePage(),
);
}
}
// Shared small UI helpers (kept in this file for the example)
class StatusChip extends StatelessWidget {
final bool ready;
const StatusChip({super.key, required this.ready});
@override
Widget build(BuildContext context) {
return Container(
padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
decoration: BoxDecoration(
color: ready ? Colors.green : Colors.red,
borderRadius: BorderRadius.circular(12),
),
child: Text(
ready ? 'Ready' : 'Not Ready',
style: const TextStyle(color: Colors.white),
),
);
}
}
// (MiniActionButtons removed; not needed after multi-preload example removal)
class HomePage extends StatelessWidget {
const HomePage({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
title: const Text('Native Google Ads Demo'),
),
body: ListView(
padding: const EdgeInsets.all(16.0),
children: [
Card(
child: ListTile(
leading: const Icon(Icons.ad_units),
title: const Text('Banner Ads'),
subtitle: const Text('Display banner ads in your app'),
trailing: const Icon(Icons.arrow_forward_ios),
onTap: () {
Navigator.push(
context,
MaterialPageRoute(builder: (_) => const BannerAdPage()),
);
},
),
),
const SizedBox(height: 8),
Card(
child: ListTile(
leading: const Icon(Icons.timer_outlined),
title: const Text('Preloaded Fullscreen Ads'),
subtitle: const Text('Preload interstitial & rewarded, then show'),
trailing: const Icon(Icons.arrow_forward_ios),
onTap: () {
Navigator.push(
context,
MaterialPageRoute(builder: (_) => const PreloadedFullscreenAdsPage()),
);
},
),
),
const SizedBox(height: 8),
Card(
child: ListTile(
leading: const Icon(Icons.downloading),
title: const Text('Preloaded Banner'),
subtitle: const Text('Load first, then render via widget'),
trailing: const Icon(Icons.arrow_forward_ios),
onTap: () {
Navigator.push(
context,
MaterialPageRoute(builder: (_) => const PreloadedBannerPage()),
);
},
),
),
const SizedBox(height: 8),
Card(
child: ListTile(
leading: const Icon(Icons.view_carousel),
title: const Text('Native Ads'),
subtitle: const Text('Display native ads that match your app'),
trailing: const Icon(Icons.arrow_forward_ios),
onTap: () {
Navigator.push(
context,
MaterialPageRoute(builder: (_) => const NativeAdPage()),
);
},
),
),
const SizedBox(height: 8),
Card(
child: ListTile(
leading: const Icon(Icons.downloading),
title: const Text('Preloaded Native'),
subtitle: const Text('Load first, then render via widget'),
trailing: const Icon(Icons.arrow_forward_ios),
onTap: () {
Navigator.push(
context,
MaterialPageRoute(builder: (_) => const PreloadedNativePage()),
);
},
),
),
const SizedBox(height: 8),
Card(
child: ListTile(
leading: const Icon(Icons.fullscreen),
title: const Text('Interstitial Ads'),
subtitle: const Text('Full-screen ads at natural transitions'),
trailing: const Icon(Icons.arrow_forward_ios),
onTap: () {
Navigator.push(
context,
MaterialPageRoute(builder: (_) => const InterstitialAdPage()),
);
},
),
),
const SizedBox(height: 8),
Card(
child: ListTile(
leading: const Icon(Icons.card_giftcard),
title: const Text('Rewarded Ads'),
subtitle: const Text('Reward users for watching video ads'),
trailing: const Icon(Icons.arrow_forward_ios),
onTap: () {
Navigator.push(
context,
MaterialPageRoute(builder: (_) => const RewardedAdPage()),
);
},
),
),
],
),
);
}
}
// Banner Ad Page
class BannerAdPage extends StatefulWidget {
const BannerAdPage({super.key});
@override
State<BannerAdPage> createState() => _BannerAdPageState();
}
class _BannerAdPageState extends State<BannerAdPage> {
BannerAdSize _selectedSize = BannerAdSize.adaptive;
bool _showAd = false;
bool _bannerVisible = true; // hide slot on failure
@override
void initState() {
super.initState();
_initializeAds();
}
Future<void> _initializeAds() async {
final appId = Platform.isAndroid
? AdTestIds.androidAppId
: AdTestIds.iosAppId;
await NativeGoogleads.instance.initialize(appId: appId);
}
@override
Widget build(BuildContext context) {
final adUnitId = Platform.isAndroid
? AdTestIds.androidBanner
: AdTestIds.iosBanner;
return Scaffold(
appBar: AppBar(
title: const Text('Banner Ads'),
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
),
body: Column(
children: [
Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'Select Banner Size:',
style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
Wrap(
spacing: 8.0,
children: [
for (final size in BannerAdSize.values)
ChoiceChip(
label: Text(_getSizeName(size)),
selected: _selectedSize == size,
onSelected: (selected) {
if (selected) {
setState(() {
_selectedSize = size;
_showAd = false;
});
}
},
),
],
),
if (_selectedSize == BannerAdSize.leaderboard &&
MediaQuery.of(context).size.width < 728)
Container(
margin: const EdgeInsets.only(top: 8),
padding: const EdgeInsets.all(8),
decoration: BoxDecoration(
color: Colors.orange[50],
borderRadius: BorderRadius.circular(4),
),
child: Row(
children: [
Icon(
Icons.warning,
size: 16,
color: Colors.orange[700],
),
const SizedBox(width: 8),
Expanded(
child: Text(
'Leaderboard is too wide for this screen. Will use adaptive size instead.',
style: TextStyle(
fontSize: 12,
color: Colors.orange[900],
),
),
),
],
),
),
const SizedBox(height: 16),
Center(
child: ElevatedButton(
onPressed: () {
setState(() {
_showAd = !_showAd;
});
},
child: Text(_showAd ? 'Hide Banner' : 'Show Banner'),
),
),
],
),
),
if (_showAd)
Column(
children: [
Container(
color: Colors.amber[50],
padding: const EdgeInsets.all(8.0),
margin: const EdgeInsets.symmetric(horizontal: 16.0),
child: Row(
children: [
Icon(
Icons.info_outline,
color: Colors.amber[700],
size: 16,
),
const SizedBox(width: 8),
Expanded(
child: Text(
'Note: Banner loads successfully but displays as placeholder',
style: TextStyle(
fontSize: 12,
color: Colors.amber[900],
),
),
),
],
),
),
const SizedBox(height: 8),
if (_bannerVisible)
Container(
color: Colors.grey[200],
padding: const EdgeInsets.all(8.0),
child: BannerAdWidget(
key: ValueKey(_selectedSize),
adUnitId: adUnitId,
size: _selectedSize,
onAdLoaded: () {
setState(() => _bannerVisible = true);
debugPrint('Banner ad loaded');
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Banner ad loaded successfully!'),
backgroundColor: Colors.green,
duration: Duration(seconds: 2),
),
);
},
onAdFailedToLoad: (error) {
debugPrint('Banner ad failed to load: $error');
setState(() => _bannerVisible = false); // gracefully hide slot
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Banner unavailable, slot hidden'),
backgroundColor: Colors.red,
),
);
},
),
),
],
),
const Spacer(),
],
),
);
}
String _getSizeName(BannerAdSize size) {
final screenWidth = MediaQuery.of(context).size.width;
switch (size) {
case BannerAdSize.banner:
return 'Banner (320x50)';
case BannerAdSize.largeBanner:
return 'Large (320x100)';
case BannerAdSize.mediumRectangle:
return 'Medium (300x250)';
case BannerAdSize.fullBanner:
return screenWidth < 468 ? 'Full (468x60) ⚠️' : 'Full (468x60)';
case BannerAdSize.leaderboard:
return screenWidth < 728
? 'Leaderboard (728x90) ⚠️'
: 'Leaderboard (728x90)';
case BannerAdSize.adaptive:
return 'Adaptive';
}
}
}
// Preloaded Banner Page
class PreloadedBannerPage extends StatefulWidget {
const PreloadedBannerPage({super.key});
@override
State<PreloadedBannerPage> createState() => _PreloadedBannerPageState();
}
class _PreloadedBannerPageState extends State<PreloadedBannerPage> {
final NativeGoogleads _ads = NativeGoogleads.instance;
String? _bannerId;
BannerAdSize _size = BannerAdSize.adaptive;
String _status = 'Idle';
@override
void initState() {
super.initState();
_initializeAds();
}
Future<void> _initializeAds() async {
await _ads.initialize(appId: Platform.isAndroid
? AdTestIds.androidAppId
: AdTestIds.iosAppId);
}
Future<void> _preload() async {
setState(() => _status = 'Loading...');
final id = await _ads.loadBannerAd(
adUnitId: Platform.isAndroid ? AdTestIds.androidBanner : AdTestIds.iosBanner,
size: _size,
);
setState(() {
_bannerId = id;
_status = id != null ? 'Ready' : 'Failed';
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('Preloaded Banner'), backgroundColor: Theme.of(context).colorScheme.inversePrimary),
body: ListView(
padding: const EdgeInsets.all(16),
children: [
Row(
children: [
const Text('Size:'),
const SizedBox(width: 8),
DropdownButton<BannerAdSize>(
value: _size,
onChanged: (v) => setState(() => _size = v ?? _size),
items: [
for (final s in BannerAdSize.values)
DropdownMenuItem(value: s, child: Text(s.name)),
],
),
const Spacer(),
ElevatedButton.icon(onPressed: _preload, icon: const Icon(Icons.download), label: const Text('Preload')),
],
),
const SizedBox(height: 12),
Text('Status: $_status'),
const SizedBox(height: 12),
if (_bannerId != null)
Container(
padding: const EdgeInsets.all(8),
color: Colors.grey[200],
child: BannerAdWidget(
adUnitId: Platform.isAndroid ? AdTestIds.androidBanner : AdTestIds.iosBanner,
size: _size,
preloadedBannerId: _bannerId,
onAdFailedToLoad: (_) {
if (!mounted) return;
setState(() => _status = 'Failed to render');
},
),
),
],
),
);
}
}
// Native Ad Page
class NativeAdPage extends StatefulWidget {
const NativeAdPage({super.key});
@override
State<NativeAdPage> createState() => _NativeAdPageState();
}
class _NativeAdPageState extends State<NativeAdPage> {
bool _showNativeSlot = true; // hide slot on failure
@override
void initState() {
super.initState();
_initializeAds();
}
Future<void> _initializeAds() async {
final appId = Platform.isAndroid
? AdTestIds.androidAppId
: AdTestIds.iosAppId;
await NativeGoogleads.instance.initialize(appId: appId);
}
@override
Widget build(BuildContext context) {
final adUnitId = Platform.isAndroid
? AdTestIds.androidNativeAdvanced
: AdTestIds.iosNativeAdvanced;
return Scaffold(
appBar: AppBar(
title: const Text('Native Ads'),
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
),
body: Padding(
padding: const EdgeInsets.symmetric(horizontal: 16.0),
child: ListView.separated(
itemCount: 12,
separatorBuilder: (context, index) => const SizedBox(height: 16),
itemBuilder: (context, index) {
if (index == 5 && _showNativeSlot) {
return Card(
elevation: 4,
child: ConstrainedBox(
constraints: const BoxConstraints(
minWidth: 300,
minHeight: 300,
maxHeight: 350,
maxWidth: 450,
),
child: NativeAdWidget(
key: const ValueKey('native_ad'),
adUnitId: adUnitId,
backgroundColor: Colors.white,
onAdLoaded: () {
if (!mounted) return;
setState(() => _showNativeSlot = true);
debugPrint('Native ad loaded');
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Native ad loaded successfully!'),
backgroundColor: Colors.green,
duration: Duration(seconds: 2),
),
);
},
onAdFailedToLoad: (error) {
debugPrint('Native ad failed to load: $error');
if (!mounted) return;
setState(() => _showNativeSlot = false); // gracefully skip the slot
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: const Text('Native ad unavailable, skipping slot'),
backgroundColor: Colors.orange,
),
);
},
),
),
);
}
// Normal Contents
return Card(
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Contents Item ${index + 1}',
style: const TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 8),
Text(
'This is where the content for item ${index + 1} will be displayed.',
style: const TextStyle(fontSize: 14),
),
],
),
),
);
},
),
),
);
}
}
// Preloaded Native Page
class PreloadedNativePage extends StatefulWidget {
const PreloadedNativePage({super.key});
@override
State<PreloadedNativePage> createState() => _PreloadedNativePageState();
}
class _PreloadedNativePageState extends State<PreloadedNativePage> {
final NativeGoogleads _ads = NativeGoogleads.instance;
String? _nativeId;
String _status = 'Idle';
@override
void initState() {
super.initState();
_initializeAds();
}
Future<void> _initializeAds() async {
await _ads.initialize(appId: Platform.isAndroid
? AdTestIds.androidAppId
: AdTestIds.iosAppId);
}
Future<void> _preload() async {
setState(() => _status = 'Loading...');
final id = await _ads.loadNativeAd(
adUnitId: Platform.isAndroid ? AdTestIds.androidNativeAdvanced : AdTestIds.iosNativeAdvanced,
);
setState(() {
_nativeId = id;
_status = id != null ? 'Ready' : 'Failed';
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('Preloaded Native'), backgroundColor: Theme.of(context).colorScheme.inversePrimary),
body: ListView(
padding: const EdgeInsets.all(16),
children: [
Row(
children: [
ElevatedButton.icon(onPressed: _preload, icon: const Icon(Icons.download), label: const Text('Preload')),
const SizedBox(width: 12),
Text('Status: $_status'),
],
),
const SizedBox(height: 12),
if (_nativeId != null)
Card(
elevation: 4,
child: SizedBox(
height: 300,
child: NativeAdWidget(
adUnitId: Platform.isAndroid ? AdTestIds.androidNativeAdvanced : AdTestIds.iosNativeAdvanced,
preloadedNativeAdId: _nativeId,
backgroundColor: Colors.white,
onAdFailedToLoad: (_) {
if (!mounted) return;
setState(() => _status = 'Failed to render');
},
),
),
),
],
),
);
}
}
// Interstitial Ad Page
class InterstitialAdPage extends StatefulWidget {
const InterstitialAdPage({super.key});
@override
State<InterstitialAdPage> createState() => _InterstitialAdPageState();
}
class _InterstitialAdPageState extends State<InterstitialAdPage> {
final NativeGoogleads _ads = NativeGoogleads.instance;
bool _isAdReady = false;
String _status = 'Not initialized';
@override
void initState() {
super.initState();
_initializeAds();
}
Future<void> _initializeAds() async {
setState(() {
_status = 'Initializing...';
});
_ads.setAdCallbacks(
onAdDismissed: (adType) {
if (adType == 'interstitial') {
setState(() {
_isAdReady = false;
_status = 'Ad dismissed';
});
// Auto-preload runs natively; refresh readiness shortly after
Future<void>(() async {
await Future.delayed(const Duration(milliseconds: 200));
if (_interstitialAdUnitId != null) {
final ready = await _ads.isInterstitialReady(
_interstitialAdUnitId!,
);
if (!mounted) return;
setState(() {
_isAdReady = ready;
if (ready) _status = 'Ready';
});
}
});
}
},
onAdShowed: (adType) {
if (adType == 'interstitial') {
setState(() {
_status = 'Ad showing';
});
}
},
onAdFailedToShow: (adType, error) {
if (adType == 'interstitial') {
setState(() {
_status = 'Failed to show: $error';
});
_showSnackBar('Failed to show ad: $error');
// Try to reflect auto-preload status
Future<void>(() async {
await Future.delayed(const Duration(milliseconds: 200));
if (_interstitialAdUnitId != null) {
final ready = await _ads.isInterstitialReady(
_interstitialAdUnitId!,
);
if (!mounted) return;
setState(() {
_isAdReady = ready;
if (ready) _status = 'Ready';
});
}
});
}
},
);
final appId = Platform.isAndroid
? AdTestIds.androidAppId
: AdTestIds.iosAppId;
final result = await _ads.initialize(appId: appId);
if (result != null && result['isReady'] == true) {
setState(() {
_status = 'Initialized';
});
} else {
setState(() {
_status = 'Initialization failed';
});
}
}
String? _interstitialAdUnitId;
Future<void> _preloadInterstitialAd() async {
setState(() {
_status = 'Loading ad...';
});
final adUnitId = Platform.isAndroid
? AdTestIds.androidInterstitial
: AdTestIds.iosInterstitial;
_interstitialAdUnitId = adUnitId;
final success = await _ads.preloadInterstitialAd(adUnitId: adUnitId);
setState(() {
_isAdReady = success;
_status = success ? 'Ad loaded' : 'Failed to load ad';
});
if (!success) {
_showSnackBar('Failed to load interstitial ad');
}
}
Future<void> _showInterstitialAd() async {
if (!_isAdReady) {
_showSnackBar('Interstitial ad is not ready');
return;
}
final success = await _ads.showInterstitialAd(
adUnitId: _interstitialAdUnitId!,
);
if (!success) {
_showSnackBar('Failed to show interstitial ad');
}
}
void _showSnackBar(String message) {
ScaffoldMessenger.of(
context,
).showSnackBar(SnackBar(content: Text(message)));
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Interstitial Ads'),
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
),
body: Center(
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Card(
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
children: [
Icon(
Icons.fullscreen,
size: 64,
color: Theme.of(context).colorScheme.primary,
),
const SizedBox(height: 16),
const Text(
'Interstitial Ad',
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 8),
Text(
'Status: $_status',
style: const TextStyle(fontSize: 14),
),
const SizedBox(height: 8),
Container(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 4,
),
decoration: BoxDecoration(
color: _isAdReady ? Colors.green : Colors.red,
borderRadius: BorderRadius.circular(12),
),
child: Text(
_isAdReady ? 'Ready' : 'Not Ready',
style: const TextStyle(color: Colors.white),
),
),
const SizedBox(height: 16),
Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
ElevatedButton.icon(
onPressed: _preloadInterstitialAd,
icon: const Icon(Icons.download),
label: const Text('Preload'),
),
ElevatedButton.icon(
onPressed: _isAdReady ? _showInterstitialAd : null,
icon: const Icon(Icons.play_arrow),
label: const Text('Show Ad'),
),
],
),
],
),
),
),
],
),
),
),
);
}
}
// Rewarded Ad Page
class RewardedAdPage extends StatefulWidget {
const RewardedAdPage({super.key});
@override
State<RewardedAdPage> createState() => _RewardedAdPageState();
}
// Preloaded Fullscreen Ads Page (Interstitial + Rewarded)
class PreloadedFullscreenAdsPage extends StatefulWidget {
const PreloadedFullscreenAdsPage({super.key});
@override
State<PreloadedFullscreenAdsPage> createState() => _PreloadedFullscreenAdsPageState();
}
class _PreloadedFullscreenAdsPageState extends State<PreloadedFullscreenAdsPage> {
final NativeGoogleads _ads = NativeGoogleads.instance;
String? _interstitialId;
String? _rewardedId;
bool _interstitialReady = false;
bool _rewardedReady = false;
String _interstitialStatus = 'Idle';
String _rewardedStatus = 'Idle';
int _rewardedEarned = 0;
@override
void initState() {
super.initState();
_setup();
}
Future<void> _setup() async {
_ads.setAdCallbacks(
onAdDismissed: (type) async {
if (!mounted) return;
if (type == 'interstitial') {
setState(() {
_interstitialReady = false;
_interstitialStatus = 'Dismissed';
});
await Future.delayed(const Duration(milliseconds: 200));
if (_interstitialId != null) {
final ready = await _ads.isInterstitialReady(_interstitialId!);
if (!mounted) return;
setState(() {
_interstitialReady = ready;
if (ready) _interstitialStatus = 'Ready';
});
}
} else if (type == 'rewarded') {
setState(() {
_rewardedReady = false;
_rewardedStatus = 'Dismissed';
});
await Future.delayed(const Duration(milliseconds: 200));
if (_rewardedId != null) {
final ready = await _ads.isRewardedReady(_rewardedId!);
if (!mounted) return;
setState(() {
_rewardedReady = ready;
if (ready) _rewardedStatus = 'Ready';
});
}
}
},
onAdShowed: (type) {
if (!mounted) return;
if (type == 'interstitial') {
setState(() => _interstitialStatus = 'Showing');
} else if (type == 'rewarded') {
setState(() => _rewardedStatus = 'Showing');
}
},
onAdFailedToShow: (type, error) async {
if (!mounted) return;
if (type == 'interstitial') {
setState(() => _interstitialStatus = 'Failed: $error');
await Future.delayed(const Duration(milliseconds: 200));
if (_interstitialId != null) {
final ready = await _ads.isInterstitialReady(_interstitialId!);
if (!mounted) return;
setState(() {
_interstitialReady = ready;
if (ready) _interstitialStatus = 'Ready';
});
}
} else if (type == 'rewarded') {
setState(() => _rewardedStatus = 'Failed: $error');
await Future.delayed(const Duration(milliseconds: 200));
if (_rewardedId != null) {
final ready = await _ads.isRewardedReady(_rewardedId!);
if (!mounted) return;
setState(() {
_rewardedReady = ready;
if (ready) _rewardedStatus = 'Ready';
});
}
}
},
onUserEarnedReward: (type, amount) {
if (!mounted) return;
setState(() {
_rewardedEarned += amount;
});
},
);
// Initialize with test App ID and preload both
await _ads.initialize(appId: Platform.isAndroid
? AdTestIds.androidAppId
: AdTestIds.iosAppId);
_interstitialId = Platform.isAndroid
? AdTestIds.androidInterstitial
: AdTestIds.iosInterstitial;
_rewardedId = Platform.isAndroid
? AdTestIds.androidRewarded
: AdTestIds.iosRewarded;
await _preloadInterstitial();
await _preloadRewarded();
}
Future<void> _preloadInterstitial() async {
if (_interstitialId == null) return;
setState(() => _interstitialStatus = 'Loading...');
final ok = await _ads.preloadInterstitialAd(adUnitId: _interstitialId!);
if (!mounted) return;
setState(() {
_interstitialReady = ok;
_interstitialStatus = ok ? 'Ready' : 'Failed to load';
});
}
Future<void> _showInterstitial() async {
if (!_interstitialReady || _interstitialId == null) return;
final ok = await _ads.showInterstitialAd(adUnitId: _interstitialId!);
if (!ok && mounted) {
setState(() => _interstitialStatus = 'Failed to show');
}
}
Future<void> _checkInterstitialReady() async {
if (_interstitialId == null) return;
final ready = await _ads.isInterstitialReady(_interstitialId!);
if (!mounted) return;
setState(() {
_interstitialReady = ready;
if (ready) _interstitialStatus = 'Ready';
});
}
Future<void> _preloadRewarded() async {
if (_rewardedId == null) return;
setState(() => _rewardedStatus = 'Loading...');
final ok = await _ads.preloadRewardedAd(adUnitId: _rewardedId!);
if (!mounted) return;
setState(() {
_rewardedReady = ok;
_rewardedStatus = ok ? 'Ready' : 'Failed to load';
});
}
Future<void> _showRewarded() async {
if (!_rewardedReady || _rewardedId == null) return;
final ok = await _ads.showRewardedAd(adUnitId: _rewardedId!);
if (!ok && mounted) {
setState(() => _rewardedStatus = 'Failed to show');
}
}
Future<void> _checkRewardedReady() async {
if (_rewardedId == null) return;
final ready = await _ads.isRewardedReady(_rewardedId!);
if (!mounted) return;
setState(() {
_rewardedReady = ready;
if (ready) _rewardedStatus = 'Ready';
});
}
List<Widget> _actionButtons({
required VoidCallback onPreload,
required VoidCallback onRefresh,
required VoidCallback onShow,
required bool canShow,
}) {
return [
ElevatedButton.icon(
onPressed: onPreload,
icon: const Icon(Icons.download),
label: const Text('Preload'),
),
ElevatedButton.icon(
onPressed: onRefresh,
icon: const Icon(Icons.refresh),
label: const Text('Refresh Ready'),
),
ElevatedButton.icon(
onPressed: canShow ? onShow : null,
icon: const Icon(Icons.play_arrow),
label: const Text('Show'),
),
];
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Preloaded Fullscreen Ads'),
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
),
body: ListView(
padding: const EdgeInsets.all(16),
children: [
Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(Icons.fullscreen, color: Theme.of(context).colorScheme.primary),
const SizedBox(width: 8),
const Text('Interstitial', style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold)),
const Spacer(),
StatusChip(ready: _interstitialReady),
],
),
const SizedBox(height: 8),
Text('Status: $_interstitialStatus'),
const SizedBox(height: 12),
Wrap(
alignment: WrapAlignment.center,
spacing: 8,
runSpacing: 8,
children: _actionButtons(
onPreload: _preloadInterstitial,
onRefresh: _checkInterstitialReady,
onShow: _showInterstitial,
canShow: _interstitialReady,
),
),
],
),
),
),
const SizedBox(height: 16),
Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(Icons.card_giftcard, color: Theme.of(context).colorScheme.primary),
const SizedBox(width: 8),
const Text('Rewarded', style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold)),
const Spacer(),
StatusChip(ready: _rewardedReady),
],
),
const SizedBox(height: 8),
Text('Status: $_rewardedStatus'),
const SizedBox(height: 4),
Text('Rewards earned: $_rewardedEarned'),
const SizedBox(height: 12),
Wrap(
alignment: WrapAlignment.center,
spacing: 8,
runSpacing: 8,
children: _actionButtons(
onPreload: _preloadRewarded,
onRefresh: _checkRewardedReady,
onShow: _showRewarded,
canShow: _rewardedReady,
),
),
],
),
),
),
],
),
);
}
}
class _RewardedAdPageState extends State<RewardedAdPage> {
final NativeGoogleads _ads = NativeGoogleads.instance;
bool _isAdReady = false;
String _status = 'Not initialized';
int _rewardAmount = 0;
@override
void initState() {
super.initState();
_initializeAds();
}
Future<void> _initializeAds() async {
setState(() {
_status = 'Initializing...';
});
_ads.setAdCallbacks(
onAdDismissed: (adType) {
if (adType == 'rewarded') {
setState(() {
_isAdReady = false;
_status = 'Ad dismissed';
});
// Auto-preload runs natively; refresh readiness shortly after
Future<void>(() async {
await Future.delayed(const Duration(milliseconds: 200));
if (_rewardedAdUnitId != null) {
final ready = await _ads.isRewardedReady(_rewardedAdUnitId!);
if (!mounted) return;
setState(() {
_isAdReady = ready;
if (ready) _status = 'Ready';
});
}
});
}
},
onAdShowed: (adType) {
if (adType == 'rewarded') {
setState(() {
_status = 'Ad showing';
});
}
},
onAdFailedToShow: (adType, error) {
if (adType == 'rewarded') {
setState(() {
_status = 'Failed to show: $error';
});
_showSnackBar('Failed to show ad: $error');
// Try to reflect auto-preload status
Future<void>(() async {
await Future.delayed(const Duration(milliseconds: 200));
if (_rewardedAdUnitId != null) {
final ready = await _ads.isRewardedReady(_rewardedAdUnitId!);
if (!mounted) return;
setState(() {
_isAdReady = ready;
if (ready) _status = 'Ready';
});
}
});
}
},
onUserEarnedReward: (type, amount) {
setState(() {
_rewardAmount += amount;
_status = 'Reward earned!';
});
_showSnackBar('You earned $amount $type!');
},
);
final appId = Platform.isAndroid
? AdTestIds.androidAppId
: AdTestIds.iosAppId;
final result = await _ads.initialize(appId: appId);
if (result != null && result['isReady'] == true) {
setState(() {
_status = 'Initialized';
});
} else {
setState(() {
_status = 'Initialization failed';
});
}
}
String? _rewardedAdUnitId;
Future<void> _preloadRewardedAd() async {
setState(() {
_status = 'Loading ad...';
});
final adUnitId = Platform.isAndroid
? AdTestIds.androidRewarded
: AdTestIds.iosRewarded;
_rewardedAdUnitId = adUnitId;
final success = await _ads.preloadRewardedAd(adUnitId: adUnitId);
setState(() {
_isAdReady = success;
_status = success ? 'Ad loaded' : 'Failed to load ad';
});
if (!success) {
_showSnackBar('Failed to load rewarded ad');
}
}
Future<void> _showRewardedAd() async {
if (!_isAdReady) {
_showSnackBar('Rewarded ad is not ready');
return;
}
final success = await _ads.showRewardedAd(adUnitId: _rewardedAdUnitId!);
if (!success) {
_showSnackBar('Failed to show rewarded ad');
}
}
void _showSnackBar(String message) {
ScaffoldMessenger.of(
context,
).showSnackBar(SnackBar(content: Text(message)));
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Rewarded Ads'),
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
),
body: Center(
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Card(
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
children: [
Icon(
Icons.card_giftcard,
size: 64,
color: Theme.of(context).colorScheme.primary,
),
const SizedBox(height: 16),
const Text(
'Rewarded Ad',
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 8),
Text(
'Total Rewards: $_rewardAmount',
style: const TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 8),
Text(
'Status: $_status',
style: const TextStyle(fontSize: 14),
),
const SizedBox(height: 8),
Container(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 4,
),
decoration: BoxDecoration(
color: _isAdReady ? Colors.green : Colors.red,
borderRadius: BorderRadius.circular(12),
),
child: Text(
_isAdReady ? 'Ready' : 'Not Ready',
style: const TextStyle(color: Colors.white),
),
),
const SizedBox(height: 16),
Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
ElevatedButton.icon(
onPressed: _preloadRewardedAd,
icon: const Icon(Icons.download),
label: const Text('Preload'),
),
ElevatedButton.icon(
onPressed: _isAdReady ? _showRewardedAd : null,
icon: const Icon(Icons.play_arrow),
label: const Text('Watch Ad'),
),
],
),
],
),
),
),
],
),
),
),
);
}
}Metadata
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Metadata
A Flutter plugin for integrating Google Mobile Ads (AdMob) using native platform implementations. Supports interstitial and rewarded ads with comprehensive callbacks.
Homepage
Repository (GitHub)
View/report issues
Contributing
Topics
#ads #admob #google-ads #monetization #advertising
Documentation
Funding
Consider supporting this project:
github.com
License
MIT (license)
Dependencies
flutter, plugin_platform_interface
More
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