integrating-google-ads

Flutter Ads Implementation (google_mobile_ads v7.x)

Goal

Integrate Google Mobile Ads securely and efficiently. Prevent memory leaks by strictly managing AdWidget lifecycles and ensure high fill-rates by pre-loading full-screen ads before they are needed.

Instructions

1. Core Native Initialization

Before calling any Dart code, the native manifests must be explicitly configured with the Google Mobile Ads application ID.

Android (android/app/src/main/AndroidManifest.xml) Add the <meta-data> tag immediately inside the <application> tag.

<manifest>
    <application>
        <!-- Use TEST ID for development: ca-app-pub-3940256099942544~3347511713 -->
        <meta-data
            android:name="com.google.android.gms.ads.APPLICATION_ID"
            android:value="YOUR_ANDROID_APP_ID"/>
    </application>
</manifest>

iOS (ios/Runner/Info.plist) Add GADApplicationIdentifier.

<key>GADApplicationIdentifier</key>
<!-- Use TEST ID for development: ca-app-pub-3940256099942544~1458002511 -->
<string>YOUR_IOS_APP_ID</string>

Flutter (main.dart) Initialize the SDK eagerly before runApp.

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await MobileAds.instance.initialize();
  runApp(const MyApp());
}

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2. Test Ad Unit IDs (CRITICAL)

Always use Google's predefined test ad units during development and testing. Using your own live production IDs on test devices will lead to immediate AdSense account suspension.

Android Test IDs:

• Banner: ca-app-pub-3940256099942544/6300978111
• Interstitial: ca-app-pub-3940256099942544/1033173712
• Rewarded: ca-app-pub-3940256099942544/5224354917
• Native Advanced: ca-app-pub-3940256099942544/2247696110

iOS Test IDs:

• Banner: ca-app-pub-3940256099942544/2934735716
• Interstitial: ca-app-pub-3940256099942544/4411468910
• Rewarded: ca-app-pub-3940256099942544/1712485313
• Native Advanced: ca-app-pub-3940256099942544/3986624511