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Published 20 days ago • verified publisherfaizahmaddae.com• Latest: 1.3.18
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Easy AdMob integration for Flutter with banner, interstitial, rewarded, native & app open ads, plus built-in GDPR/ATT consent management and mediation support.

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ad_flow #

Easy AdMob integration for Flutter — banners, interstitials, rewarded, native, and app open ads with built-in GDPR/ATT consent and mediation support.

pub package Flutter google_mobile_ads License

Table of Contents #

  1. Installation
  2. Platform Setup
  3. Initialize AdFlow
  4. Show Banner Ads
  5. Show Interstitial Ads
  6. Show Rewarded Ads
  7. Show App Open Ads
  8. Show Native Ads
  9. Remove Ads (In-App Purchase)
  10. Privacy & Consent
  11. Error Handling
  12. Mediation
  13. Configuration Reference
  14. Troubleshooting

Step 1: Installation #

Add ad_flow to your pubspec.yaml:

dependencies:
  ad_flow: ^1.3.14

Then run:

flutter pub get

Step 2: Platform Setup #

Android #

Open android/app/src/main/AndroidManifest.xml and add your AdMob App ID inside <application>:

<manifest>
    <application>
        <meta-data
            android:name="com.google.android.gms.ads.APPLICATION_ID"
            android:value="ca-app-pub-XXXXXXXXXXXXXXXX~XXXXXXXXXX"/>
    </application>
</manifest>

iOS #

Open ios/Runner/Info.plist and add:

<!-- AdMob App ID -->
<key>GADApplicationIdentifier</key>
<string>ca-app-pub-XXXXXXXXXXXXXXXX~XXXXXXXXXX</string>

<!-- App Tracking Transparency description (required) -->
<key>NSUserTrackingUsageDescription</key>
<string>This identifier will be used to deliver personalized ads to you.</string>

<!-- SKAdNetwork IDs (required for iOS 14+) -->
<key>SKAdNetworkItems</key>
<array>
    <dict>
        <key>SKAdNetworkIdentifier</key>
        <string>cstr6suwn9.skadnetwork</string>
    </dict>
    <dict>
        <key>SKAdNetworkIdentifier</key>
        <string>4fzdc2evr5.skadnetwork</string>
    </dict>
    <!-- Add more from https://developers.google.com/admob/ios/quick-start#update_your_infoplist -->
</array>

Get the full SKAdNetwork IDs list from the AdMob documentation.

Step 3: Initialize AdFlow #

AdFlow is a singleton — initialize it once, then use it anywhere in your app.

Option A: Quick Start (test mode) #

import 'package:flutter/material.dart';
import 'package:ad_flow/ad_flow.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  await AdFlow.instance.initialize(
    config: AdFlowConfig.testMode(), // Uses Google's test ad unit IDs
    onComplete: (canRequestAds) {
      debugPrint('Ads ready: $canRequestAds');
    },
  );

  runApp(const MyApp());
}

Option B: Production #

void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  await AdFlow.instance.initialize(
    config: AdFlowConfig(
      androidBannerAdUnitId: 'ca-app-pub-YOUR_ID/BANNER',
      iosBannerAdUnitId: 'ca-app-pub-YOUR_ID/BANNER',
      androidInterstitialAdUnitId: 'ca-app-pub-YOUR_ID/INTERSTITIAL',
      iosInterstitialAdUnitId: 'ca-app-pub-YOUR_ID/INTERSTITIAL',
      androidRewardedAdUnitId: 'ca-app-pub-YOUR_ID/REWARDED',
      iosRewardedAdUnitId: 'ca-app-pub-YOUR_ID/REWARDED',
      androidAppOpenAdUnitId: 'ca-app-pub-YOUR_ID/APP_OPEN',
      iosAppOpenAdUnitId: 'ca-app-pub-YOUR_ID/APP_OPEN',
      androidNativeAdUnitId: 'ca-app-pub-YOUR_ID/NATIVE',
      iosNativeAdUnitId: 'ca-app-pub-YOUR_ID/NATIVE',
    ),
    preloadInterstitial: true,
    preloadRewarded: true,
    onComplete: (canRequestAds) {
      debugPrint('Ads ready: $canRequestAds');
    },
  );

  runApp(const MyApp());
}

The app starts instantly. Ads load in the background. Reactive widgets (EasyBannerAd, EasyNativeAd) automatically display when ready.

void main() {
  WidgetsFlutterBinding.ensureInitialized();
  runApp(const MyApp()); // App starts immediately!
}

Then in your first page:

class _HomePageState extends State<HomePage> {
  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addPostFrameCallback((_) {
      // No await — runs in background
      AdFlow.instance.initializeWithExplainer(
        context: context,
        config: AdFlowConfig.testMode(),
        preloadInterstitial: true,
        onComplete: (canRequestAds) {
          debugPrint('Ads ready: $canRequestAds');
        },
      );
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: const Center(child: Text('App loaded instantly!')),
      // Banner appears automatically when AdFlow finishes initializing
      bottomNavigationBar: const EasyBannerAd(),
    );
  }
}

initialize vs initializeWithExplainer: Both do the same thing. The only difference is initializeWithExplainer shows a friendly explanation dialog before the system consent prompts, giving users context about why they're asked. It requires a BuildContext, so call it from a widget.

What happens during initialization #

1. Load "Remove Ads" state from SharedPreferences
2. Gather consent (iOS ATT prompt → GDPR/UMP dialog)
3. Initialize the Google Mobile Ads SDK
4. Preload ads (interstitial, rewarded, etc. based on config flags)
5. Emit on initStream → reactive widgets auto-load

Waiting for init completion #

For fullscreen ads, you may need to wait for initialization:

// Returns true if ads can be requested, false if consent denied or failed
final isReady = await AdFlow.instance.waitForInit();

if (isReady) {
  await AdFlow.instance.interstitial.showAd();
}

Or subscribe to the stream:

late StreamSubscription<bool> _initSub;

@override
void initState() {
  super.initState();
  _initSub = AdFlow.instance.initStream.listen((canRequestAds) {
    if (canRequestAds) {
      // Safe to load/show ads
    }
  });
}

// Always cancel in dispose()!
@override
void dispose() {
  _initSub.cancel();
  super.dispose();
}

Step 4: Show Banner Ads #

The Easy Way #

Drop EasyBannerAd into any widget tree. It handles loading, lifecycle, and error recovery automatically:

@override
Widget build(BuildContext context) {
  return Scaffold(
    body: const Center(child: Text('My App')),
    bottomNavigationBar: const EasyBannerAd(),
  );
}

Collapsible banner:

const EasyBannerAd(collapsible: true)

Fixed-size banner:

const EasyBannerAd(adSize: AdSize.mediumRectangle) // 300×250

With More Control #

Use BannerAdManager directly when you need custom callbacks or manual load timing:

class _MyPageState extends State<MyPage> {
  final _bannerManager = BannerAdManager();

  @override
  void initState() {
    super.initState();
    _loadBanner();
  }

  Future<void> _loadBanner() async {
    await _bannerManager.loadAdaptiveBanner(
      context: context,
      onAdLoaded: (ad) => setState(() {}),
      onAdFailedToLoad: (ad, error) {
        debugPrint('Banner failed: ${error.message}');
      },
    );
  }

  @override
  void dispose() {
    _bannerManager.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: const Text('Content'),
      bottomNavigationBar: _bannerManager.isLoaded
          ? _bannerManager.buildAdWidget()
          : const SizedBox.shrink(),
    );
  }
}

Common Banner Sizes #

Size Constant Best For
320×50 AdSize.banner Phone footer
320×100 AdSize.largeBanner Tablets
300×250 AdSize.mediumRectangle In-feed, dialogs
Adaptive loadAdaptiveBanner() Any screen (recommended)

Step 5: Show Interstitial Ads #

Interstitial ads are full-screen ads shown at natural transition points (e.g., between levels, after completing a task).

Show a preloaded interstitial #

// If you set preloadInterstitial: true during init, the ad is already loaded
await AdFlow.instance.interstitial.showAd(
  onAdDismissed: () {
    // User closed the ad — continue your flow
    Navigator.pushNamed(context, '/nextScreen');
  },
  onAdFailedToShow: () {
    // Ad wasn't ready — continue anyway
    Navigator.pushNamed(context, '/nextScreen');
  },
);

Load and show manually #

// Load
await AdFlow.instance.interstitial.loadAd(
  onAdLoaded: (_) => debugPrint('Interstitial ready'),
  onAdFailedToLoad: (error) => debugPrint('Failed: ${error.message}'),
);

// Show when ready
if (AdFlow.instance.interstitial.isLoaded) {
  await AdFlow.instance.interstitial.showAd();
}

Show every N actions #

int _actionCount = 0;

void _onUserAction() {
  _actionCount++;
  if (_actionCount % 5 == 0 && AdFlow.instance.interstitial.isLoaded) {
    AdFlow.instance.interstitial.showAd();
  }
}

Built-in cooldown #

Interstitials have a 30-second cooldown by default (configurable via minInterstitialInterval in AdFlowConfig). This prevents showing too many ads in a row. Check with:

if (AdFlow.instance.interstitial.canShowAd) {
  // Cooldown has passed, safe to show
}

To bypass the cooldown for a specific show call:

await AdFlow.instance.interstitial.showAd(
  ignoreCooldown: true, // Skip the 30s cooldown for this call
  onAdDismissed: () => debugPrint('Ad dismissed'),
);

Step 6: Show Rewarded Ads #

Rewarded ads let users watch a video in exchange for a reward (coins, extra lives, etc.).

Load and show #

// Load
await AdFlow.instance.rewarded.loadAd(
  onAdLoaded: (_) => debugPrint('Rewarded ad ready'),
  onAdFailedToLoad: (error) => debugPrint('Failed: ${error.message}'),
);

// Show
await AdFlow.instance.rewarded.showAd(
  onUserEarnedReward: (reward) {
    setState(() {
      _coins += reward.amount.toInt();
    });
    debugPrint('Earned ${reward.amount} ${reward.type}');
  },
  onAdDismissed: () => debugPrint('Ad closed'),
  onAdFailedToShow: () {
    ScaffoldMessenger.of(context).showSnackBar(
      const SnackBar(content: Text('No reward available right now')),
    );
  },
);

Reactive "Watch Ad" button #

Use status listeners to show/hide the button based on ad availability:

class _RewardButtonState extends State<RewardButton> {
  @override
  void initState() {
    super.initState();
    AdFlow.instance.rewarded.addStatusListener(_onStatusChanged);
  }

  void _onStatusChanged() => setState(() {});

  @override
  void dispose() {
    AdFlow.instance.rewarded.removeStatusListener(_onStatusChanged);
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    final isReady = AdFlow.instance.rewarded.isLoaded;

    return ElevatedButton(
      onPressed: isReady ? _watchAd : null,
      child: Text(isReady ? 'Watch Ad for 50 Coins' : 'Loading...'),
    );
  }

  Future<void> _watchAd() async {
    await AdFlow.instance.rewarded.showAd(
      onUserEarnedReward: (reward) {
        // Grant reward
      },
    );
  }
}

Rewarded ads automatically reload after being shown. By default, they remain available even when the user has purchased "Remove Ads" (configurable via rewardedAdsIgnoreRemoveAds in AdFlowConfig).

Step 7: Show App Open Ads #

App open ads appear when the user opens or returns to your app.

Set these flags during initialization and ads will appear automatically:

await AdFlow.instance.initialize(
  config: AdFlowConfig.testMode(),
  preloadAppOpen: true,
  showAppOpenOnColdStart: true,       // Show on first app launch
  enableAppOpenOnForeground: true,    // Show when returning from background
  maxForegroundAdsPerSession: 2,      // Max 2 per session
);

That's it — no other code needed.

Manual #

// Load
await AdFlow.instance.appOpen.loadAd(
  onAdLoaded: (_) => debugPrint('App open ad ready'),
  onAdFailedToLoad: (error) => debugPrint('Failed: ${error.message}'),
);

// Show if available (checks load status + 4-hour expiry)
if (AdFlow.instance.appOpen.isAdAvailable) {
  await AdFlow.instance.appOpen.showAdIfAvailable(
    onAdDismissed: () => debugPrint('Resumed'),
    onAdFailedToShow: () => debugPrint('Ad failed to show'),
  );
}

Pause/resume #

Prevent app open ads from showing during sensitive flows (e.g., in-app purchase, onboarding):

// Pause (e.g., before opening a payment screen)
AdFlow.instance.pauseAppOpenAds();

// Resume
AdFlow.instance.resumeAppOpenAds();

App open ads expire after 4 hours. If the cached ad is expired, it will be discarded and a new one loaded.

Step 8: Show Native Ads #

Native ads match your app's look and feel. They require platform-specific setup.

See the full guide: doc/NATIVE_ADS_SETUP.md

After platform setup #

Use EasyNativeAd for a drop-in widget:

const EasyNativeAd(
  factoryId: 'medium_template', // Must match your registered factory ID
  height: 300,
)

With options:

EasyNativeAd(
  factoryId: 'medium_template',
  height: 300,
  hideOnLoading: true,  // Collapse while loading (no blank space)
  hideOnError: true,    // Collapse on error/no fill
  backgroundColor: Colors.white,
  borderRadius: BorderRadius.circular(12),
  padding: const EdgeInsets.all(8),
  onAdLoaded: () => debugPrint('Native ad loaded'),
  onAdFailedToLoad: () => debugPrint('Native ad failed'),
)

With NativeAdManager #

For more control:

final _nativeManager = NativeAdManager();

await _nativeManager.loadAd(
  factoryId: 'medium_template',
  onAdLoaded: (ad) => setState(() {}),
  onAdFailedToLoad: (error) => debugPrint('Failed: ${error.message}'),
);

// In build:
if (_nativeManager.isLoaded) {
  SizedBox(
    height: 300,
    child: AdWidget(ad: _nativeManager.nativeAd!),
  )
}

// Dispose when done
_nativeManager.dispose();

Step 9: Remove Ads (In-App Purchase) #

ad_flow has built-in "Remove Ads" support. When disabled, all ad widgets (EasyBannerAd, EasyNativeAd, etc.) automatically hide, and ad managers skip loading/showing.

After a successful purchase #

await AdFlow.instance.disableAds();
// All ads stop immediately! Widgets collapse to SizedBox.shrink().

Restore on refund or re-enable #

await AdFlow.instance.enableAds();

Check current state #

if (AdFlow.instance.isAdsEnabled) {
  // Show ads
}

React to changes #

// Listen to changes (e.g., to toggle UI)
AdsEnabledManager.instance.addListener(() {
  setState(() {});
});

// Or use the stream
StreamBuilder<bool>(
  stream: AdFlow.instance.adsEnabledStream,
  builder: (context, snapshot) {
    final adsEnabled = snapshot.data ?? true;
    return adsEnabled ? const EasyBannerAd() : const SizedBox.shrink();
  },
)

The state is persisted in SharedPreferences and survives app restarts. Rewarded ads stay available by default (configurable via rewardedAdsIgnoreRemoveAds).

Step 10: Privacy & Consent #

ad_flow handles GDPR, US Privacy (CCPA), and iOS ATT automatically during initialization. You don't need to write any consent code — it's all built in.

What happens automatically #

Region What ad_flow does
EU/UK Shows Google's UMP consent form
US (CCPA states) Handles opt-out via UMP
iOS (all regions) Shows ATT permission prompt
Other Skips consent, proceeds to ads

Privacy settings button #

GDPR requires that users can change their consent at any time. Add a privacy button to your settings screen:

// Simple button — only visible in GDPR regions
const EasyPrivacySettingsButton()

// Customized
EasyPrivacySettingsButton(
  text: 'Manage Privacy',
  icon: Icons.shield,
  onFormDismissed: () => debugPrint('User updated preferences'),
)

// ListTile for settings screens
const PrivacySettingsListTile(
  title: 'Privacy Settings',
  subtitle: 'Manage your ad preferences',
)

// Force visibility (even outside GDPR regions)
const PrivacySettingsListTile(alwaysShow: true)

Manual privacy options #

if (AdFlow.instance.isPrivacyOptionsRequired) {
  AdFlow.instance.showPrivacyOptions(
    onComplete: () => debugPrint('Privacy form dismissed'),
  );
}

initializeWithExplainer shows a friendly dialog before the system prompts, explaining why the user is being asked:

AdFlow.instance.initializeWithExplainer(
  context: context,
  config: AdFlowConfig.testMode(),
);

Custom language:

AdFlow.instance.initializeWithExplainer(
  context: context,
  consentTexts: kPersianConsentExplainerTexts,
  attTexts: kPersianATTExplainerTexts,
);

Or by language code:

final (consentTexts, attTexts) = getExplainerTextsForLanguage('es'); // Spanish

AdFlow.instance.initializeWithExplainer(
  context: context,
  consentTexts: consentTexts,
  attTexts: attTexts,
);

Built-in languages: English (default), Persian, Spanish. You can also create fully custom texts:

const myTexts = ConsentExplainerTexts(
  title: 'Your Privacy Matters',
  description: 'We use ads to keep this app free.',
  benefitRelevantAds: 'Relevant ads',
  benefitDataSecure: 'Data stays secure',
  benefitKeepFree: 'Keeps the app free',
  settingsHint: 'Change anytime in Settings.',
  continueButton: 'Continue',
  skipButton: 'Decide later',
);

Step 11: Error Handling #

All ad errors flow through a centralized error stream. Subscribe to it for logging, analytics, or user-facing messages.

AdFlow.instance.errorStream.listen((error) {
  debugPrint('${error.type.name}: ${error.message} (code: ${error.code})');

  // Send to analytics
  analytics.logEvent('ad_error', {
    'type': error.type.name,
    'code': error.code,
    'message': error.message,
  });
});

Callback-based (simpler) #

AdFlow.instance.setErrorCallback((error) {
  crashlytics.recordError(error.originalError ?? error.message);
});

// Clear when done
AdFlow.instance.clearErrorCallback();

Error types #

Type Meaning
bannerLoad Banner ad failed to load
interstitialLoad Interstitial failed to load
interstitialShow Interstitial failed to show
rewardedLoad Rewarded ad failed to load
rewardedShow Rewarded ad failed to show
appOpenLoad App open ad failed to load
appOpenShow App open ad failed to show
nativeLoad Native ad failed to load
consent Consent gathering failed
sdkInitialization SDK initialization failed

Step 12: Mediation #

Mediation serves ads from multiple networks (Unity Ads, AppLovin, Meta, etc.) to maximize fill rate and revenue.

Quick setup #

import 'package:ad_flow/ad_flow.dart';
import 'package:gma_mediation_unity/gma_mediation_unity.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  // 1. Register adapters BEFORE initializing AdFlow
  final unity = GmaMediationUnity();
  MediationHelper.registerUnityWithCallbacks(
    setGDPRConsent: unity.setGDPRConsent,
    setCCPAConsent: unity.setCCPAConsent,
  );

  // 2. Initialize — consent is auto-forwarded to registered networks
  await AdFlow.instance.initialize(
    config: AdFlowConfig(...),
  );

  runApp(const MyApp());
}

Generic adapter #

MediationHelper.registerAdapter(
  name: 'MyNetwork',
  forwarder: ({required gdprConsent, required ccpaOptOut}) async {
    MyNetworkSdk.setConsent(gdpr: gdprConsent, ccpa: ccpaOptOut);
  },
);

Full mediation guide: doc/MEDIATION_SETUP.md

Step 13: Configuration Reference #

AdFlowConfig #

All fields are optional. Only provide the ad unit IDs for the ad types you use.

AdFlowConfig(
  // Ad unit IDs (one pair per ad type, per platform)
  androidBannerAdUnitId: 'ca-app-pub-xxx/xxx',
  iosBannerAdUnitId: 'ca-app-pub-xxx/xxx',
  androidInterstitialAdUnitId: 'ca-app-pub-xxx/xxx',
  iosInterstitialAdUnitId: 'ca-app-pub-xxx/xxx',
  androidRewardedAdUnitId: 'ca-app-pub-xxx/xxx',
  iosRewardedAdUnitId: 'ca-app-pub-xxx/xxx',
  androidAppOpenAdUnitId: 'ca-app-pub-xxx/xxx',
  iosAppOpenAdUnitId: 'ca-app-pub-xxx/xxx',
  androidNativeAdUnitId: 'ca-app-pub-xxx/xxx',
  iosNativeAdUnitId: 'ca-app-pub-xxx/xxx',

  // Behavior
  minInterstitialInterval: Duration(seconds: 30),    // Cooldown between interstitials
  appOpenAdMaxCacheDuration: Duration(hours: 4),      // App open ad expiry
  maxLoadRetries: 3,                                   // Retry failed loads
  retryDelay: Duration(seconds: 5),                   // Delay between retries
  retryCooldownAfterMaxAttempts: Duration(minutes: 5), // Cooldown after all retries fail

  // Privacy
  skipGdprConsentIfAttDenied: true,   // iOS: skip GDPR if ATT denied
  rewardedAdsIgnoreRemoveAds: true,   // Rewarded available even after "Remove Ads"

  // Network
  httpTimeoutMillis: 30000,                        // Ad request timeout (30s)
  coldStartAdTimeout: Duration(seconds: 3),        // App open ad cold-start timeout

  // Testing
  testDeviceIds: ['YOUR_DEVICE_ID'],               // Avoid invalid impressions
  enableConsentDebug: false,                        // Test GDPR in non-EU regions
  maxAdContentRating: MaxAdContentRating.g,        // Content restriction
  tagForUnderAgeOfConsent: false,                   // COPPA
)

Initialize parameters #

Parameter Default Description
config testMode() Ad unit IDs and settings
onComplete null Called when init finishes: (bool canRequestAds) => ...
preloadInterstitial false Preload an interstitial on init
preloadRewarded false Preload a rewarded ad on init
preloadAppOpen false Preload an app open ad on init
showAppOpenOnColdStart false Show app open ad on first launch
enableAppOpenOnForeground false Show app open ad when app returns from background
maxForegroundAdsPerSession 1 Max foreground app open ads per session

Manager API summary #

Every ad manager shares this contract:

Property / Method Description
isLoaded Ad is ready to show
isLoading Load in progress
isShowing Fullscreen ad currently visible (interstitial/rewarded/app open)
loadAd(...) Load an ad
showAd(...) Show the ad (fullscreen types)
dispose() Clean up resources
addStatusListener(cb) Get notified when state changes
removeStatusListener(cb) Remove listener

Callbacks per ad type #

Every loadAd() and showAd() method accepts optional callbacks. Here's the complete reference:

Banner (BannerAdManager):

Method Callback Type When
loadAdaptiveBanner() onAdLoaded void Function(BannerAd) Ad loaded successfully
onAdFailedToLoad void Function(BannerAd, LoadAdError) Load failed
loadCollapsibleBanner() onAdLoaded void Function(BannerAd) Ad loaded successfully
onAdFailedToLoad void Function(BannerAd, LoadAdError) Load failed

Interstitial (InterstitialAdManager):

Method Callback Type When
loadAd() onAdLoaded void Function(InterstitialAd) Ad loaded successfully
onAdFailedToLoad void Function(LoadAdError) Load failed after retries
showAd() onAdDismissed VoidCallback User closed the ad
onAdFailedToShow VoidCallback Ad not ready or show error
ignoreCooldown bool Bypass the 30s cooldown (default: false)

Rewarded (RewardedAdManager):

Method Callback Type When
loadAd() onAdLoaded void Function(RewardedAd) Ad loaded successfully
onAdFailedToLoad void Function(LoadAdError) Load failed after retries
showAd() onUserEarnedReward void Function(RewardItem) Required — user completed the ad
onAdDismissed VoidCallback User closed the ad
onAdFailedToShow VoidCallback Ad not ready or show error

App Open (AppOpenAdManager):

Method Callback Type When
loadAd() onAdLoaded void Function(AppOpenAd) Ad loaded successfully
onAdFailedToLoad void Function(LoadAdError) Load failed after retries
showAdIfAvailable() onAdDismissed VoidCallback User closed the ad
onAdFailedToShow VoidCallback Ad expired, not loaded, or show error

Native (NativeAdManager):

Method Callback Type When
loadAd() onAdLoaded void Function(NativeAd) Ad loaded successfully
onAdFailedToLoad void Function(LoadAdError) Load failed after retries

Self-contained widgets (EasyBannerAd, EasyNativeAd):

Widget Callback Type When
EasyNativeAd onAdLoaded VoidCallback Ad loaded and displayed
onAdFailedToLoad VoidCallback Load failed

EasyBannerAd handles all callbacks internally — no user callbacks needed.

Status listeners #

All managers support reactive status listeners. Use them to rebuild UI when ad state changes (loaded, loading, showing, etc.):

// Works with ANY manager: interstitial, rewarded, appOpen, banner, native
AdFlow.instance.interstitial.addStatusListener(() {
  setState(() {}); // Rebuild when ad state changes
});

// Clean up in dispose()
AdFlow.instance.interstitial.removeStatusListener(_onStatusChanged);

Status listeners fire after any state change: load started, load completed, load failed, ad showing, ad dismissed. This makes them ideal for reactive UI like loading indicators, "Watch Ad" buttons, etc.

Troubleshooting #

Ads not loading #

  1. Check internet connection.
  2. Verify ad unit IDs are correct.
  3. New ad units can take 24–48 hours to start serving.
  4. Check logs for common error codes:
    • Error 0 — Internal error
    • Error 1 — Invalid request (wrong ad unit ID)
    • Error 2 — Network error
    • Error 3 — No fill (no ads available)
  • The form only shows in GDPR regions (EU/UK/Switzerland).
  • Use a VPN to test from a GDPR region, or set enableConsentDebug: true in AdFlowConfig.

iOS build errors #

  1. Run cd ios && pod install.
  2. Ensure minimum iOS version is 13.0+.
  3. Verify Info.plist has the GADApplicationIdentifier key.

Android build errors #

  1. Ensure minSdkVersion is 21+.
  2. Verify AndroidManifest.xml has the AdMob App ID.
  3. Run flutter clean && flutter pub get.

Ad Inspector #

Open the Ad Inspector for real-time debugging of ad requests and mediation:

AdFlow.instance.openAdInspector();

Release Checklist #

  • ❌ Replace test IDs with production ad unit IDs in AdFlowConfig
  • ❌ Remove or empty testDeviceIds
  • ❌ Set enableConsentDebug: false
  • ❌ Test on real devices (not emulator)
  • ❌ Test consent flow from a GDPR region (use VPN)
  • ❌ Verify iOS ATT dialog appears
  • ❌ Test all ad formats load and display
  • ❌ Add a privacy policy to your app/store listing

License #

MIT — see LICENSE.

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Metadata

Easy AdMob integration for Flutter with banner, interstitial, rewarded, native & app open ads, plus built-in GDPR/ATT consent management and mediation support.

Repository (GitHub)
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Topics

#admob #ads #monetization #gdpr

License

unknown (license)

Dependencies

app_tracking_transparency, flutter, google_mobile_ads, shared_preferences

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Packages that depend on ad_flow

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