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Mediation networks may provide APIs in their own Android and iOS SDKs that allow
for further ads customization. You can call these APIs from dart code by using a
platform channel.
The following sample shows you how to call privacy APIs in AppLovin's
Android and
iOS SDKs from Dart.
Create a method channel in dart
In your dart code, create a method channel:
/// Wraps a method channel that makes calls to AppLovin privacy APIs.
class MyMethodChannel {
final MethodChannel _methodChannel =
MethodChannel('com.example.mediationexample/mediation-channel');
/// Sets whether the user is age restricted in AppLovin.
Future<void> setAppLovinIsAgeRestrictedUser(bool isAgeRestricted) async {
return _methodChannel.invokeMethod(
'setIsAgeRestrictedUser',
{
'isAgeRestricted': isAgeRestricted,
},
);
}
/// Sets whether we have user consent for the user in AppLovin.
Future<void> setHasUserConsent(bool hasUserConsent) async {
return _methodChannel.invokeMethod(
'setHasUserConsent',
{
'hasUserConsent': hasUserConsent,
},
);
}
}
Modify your Android code
Set up a method channel to make API calls to the AppLovin SDK in Android:
public class MainActivity extends FlutterActivity {
private static final String CHANNEL_NAME =
"com.example.mediationexample/mediation-channel";
@Override
public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) {
super.configureFlutterEngine(flutterEngine);
// Set up a method channel for calling APIs in the AppLovin SDK.
new MethodChannel(flutterEngine.getDartExecutor().getBinaryMessenger(), CHANNEL)
.setMethodCallHandler(
(call, result) -> {
switch (call.method) {
case "setIsAgeRestrictedUser":
AppLovinPrivacySettings.setIsAgeRestrictedUser(call.argument("isAgeRestricted"), context);
result.success(null);
break;
case "setHasUserConsent":
AppLovinPrivacySettings.setHasUserConsent(call.argument("hasUserConsent"), context);
result.success(null);
break;
default:
result.notImplemented();
break;
}
}
);
}
}
Modify your iOS code
Set up a method channel to make API calls to the AppLovin SDK in iOS:
@implementation AppDelegate
- (BOOL)application:(UIApplication *)application
didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
[GeneratedPluginRegistrant registerWithRegistry:self];
// Set up a method channel for calling methods in 3P SDKs.
FlutterViewController* controller = (FlutterViewController*)self.window.rootViewController;
FlutterMethodChannel* methodChannel = [FlutterMethodChannel
methodChannelWithName:@"com.example.mediationexample/mediation-channel"
binaryMessenger:controller.binaryMessenger];
[methodChannel setMethodCallHandler:^(FlutterMethodCall* call, FlutterResult result) {
if ([call.method isEqualToString:@"setIsAgeRestrictedUser"]) {
[ALPrivacySettings setIsAgeRestrictedUser:call.arguments[@"isAgeRestricted"]];
result(nil);
} else if ([call.method isEqualToString:@"setHasUserConsent"]) {
[ALPrivacySettings setHasUserConsent:call.arguments[@"hasUserConsent"]];
result(nil);
} else {
result(FlutterMethodNotImplemented);
}
}];
}
@end
Use your MethodChannel in Dart
Now you can use your MyMethodChannel
to call AppLovin privacy APIs from Dart:
/// An example widget for the home page of your app.
class HomePage extends StatefulWidget {
@override
_HomePageState createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
// Keep a reference to your MyMethodChannel.
static MyMethodChannel platform = MyMethodChannel();
@override
void initState() {
super.initState();
_updateAppLovinSettingsAndLoadAd();
}
Future<void> _updateAppLovinSettingsAndLoadAd() async {
// Update the AppLovin settings before loading an ad.
await platform.setAppLovinIsAgeRestrictedUser(true);
await platform.setHasUserConsent(false);
_loadAd();
}
void _loadAd() {
// TODO: Load an ad.
};
@override
Widget build(BuildContext context) {
// TODO: Build your widget.
}
}
More details on the APIs supported by other networks can be found
in the Android and
iOS documentation.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-09-04 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[[["\u003cp\u003eMediation networks sometimes offer custom ad features through their Android and iOS SDKs.\u003c/p\u003e\n"],["\u003cp\u003eAccess these features in your Flutter app using platform channels to communicate with native code.\u003c/p\u003e\n"],["\u003cp\u003eThe provided example demonstrates calling AppLovin's privacy APIs for age restrictions and user consent.\u003c/p\u003e\n"],["\u003cp\u003eSet up method channels in your Dart, Android, and iOS code to enable this communication.\u003c/p\u003e\n"],["\u003cp\u003eRefer to individual mediation network documentation for specific API details and implementation.\u003c/p\u003e\n"]]],[],null,["Mediation networks may provide APIs in their own Android and iOS SDKs that allow\nfor further ads customization. You can call these APIs from dart code by using a\n[platform channel](https://flutter.dev/docs/development/platform-integration/platform-channels).\n\nThe following sample shows you how to call privacy APIs in AppLovin's\n[Android](/ad-manager/mobile-ads-sdk/android/mediation/applovin#eu_consent_and_gdpr) and\n[iOS](/ad-manager/mobile-ads-sdk/ios/mediation/applovin#eu_consent_and_gdpr) SDKs from Dart.\n\nCreate a method channel in dart\n\nIn your dart code, create a method channel: \n\n /// Wraps a method channel that makes calls to AppLovin privacy APIs.\n class MyMethodChannel {\n final MethodChannel _methodChannel =\n MethodChannel('com.example.mediationexample/mediation-channel');\n\n /// Sets whether the user is age restricted in AppLovin.\n Future\u003cvoid\u003e setAppLovinIsAgeRestrictedUser(bool isAgeRestricted) async {\n return _methodChannel.invokeMethod(\n 'setIsAgeRestrictedUser',\n {\n 'isAgeRestricted': isAgeRestricted,\n },\n );\n }\n\n /// Sets whether we have user consent for the user in AppLovin.\n Future\u003cvoid\u003e setHasUserConsent(bool hasUserConsent) async {\n return _methodChannel.invokeMethod(\n 'setHasUserConsent',\n {\n 'hasUserConsent': hasUserConsent,\n },\n );\n }\n }\n\nModify your Android code\n\nSet up a method channel to make API calls to the AppLovin SDK in Android: \n\n public class MainActivity extends FlutterActivity {\n private static final String CHANNEL_NAME =\n \"com.example.mediationexample/mediation-channel\";\n\n @Override\n public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) {\n super.configureFlutterEngine(flutterEngine);\n\n // Set up a method channel for calling APIs in the AppLovin SDK.\n new MethodChannel(flutterEngine.getDartExecutor().getBinaryMessenger(), CHANNEL)\n .setMethodCallHandler(\n (call, result) -\u003e {\n switch (call.method) {\n case \"setIsAgeRestrictedUser\":\n AppLovinPrivacySettings.setIsAgeRestrictedUser(call.argument(\"isAgeRestricted\"), context);\n result.success(null);\n break;\n case \"setHasUserConsent\":\n AppLovinPrivacySettings.setHasUserConsent(call.argument(\"hasUserConsent\"), context);\n result.success(null);\n break;\n default:\n result.notImplemented();\n break;\n }\n }\n );\n }\n }\n\nModify your iOS code\n\nSet up a method channel to make API calls to the AppLovin SDK in iOS: \n\n @implementation AppDelegate\n\n - (BOOL)application:(UIApplication *)application\n didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {\n [GeneratedPluginRegistrant registerWithRegistry:self];\n\n // Set up a method channel for calling methods in 3P SDKs.\n FlutterViewController* controller = (FlutterViewController*)self.window.rootViewController;\n\n FlutterMethodChannel* methodChannel = [FlutterMethodChannel\n methodChannelWithName:@\"com.example.mediationexample/mediation-channel\"\n binaryMessenger:controller.binaryMessenger];\n [methodChannel setMethodCallHandler:^(FlutterMethodCall* call, FlutterResult result) {\n if ([call.method isEqualToString:@\"setIsAgeRestrictedUser\"]) {\n [ALPrivacySettings setIsAgeRestrictedUser:call.arguments[@\"isAgeRestricted\"]];\n result(nil);\n } else if ([call.method isEqualToString:@\"setHasUserConsent\"]) {\n [ALPrivacySettings setHasUserConsent:call.arguments[@\"hasUserConsent\"]];\n result(nil);\n } else {\n result(FlutterMethodNotImplemented);\n }\n }];\n }\n @end\n\nUse your MethodChannel in Dart\n\nNow you can use your `MyMethodChannel` to call AppLovin privacy APIs from Dart: \n\n /// An example widget for the home page of your app.\n class HomePage extends StatefulWidget {\n @override\n _HomePageState createState() =\u003e _HomePageState();\n }\n\n class _HomePageState extends State\u003cHomePage\u003e {\n // Keep a reference to your MyMethodChannel.\n static MyMethodChannel platform = MyMethodChannel();\n @override\n void initState() {\n super.initState();\n\n _updateAppLovinSettingsAndLoadAd();\n }\n Future\\\u003cvoid\\\u003e _updateAppLovinSettingsAndLoadAd() async {\n // Update the AppLovin settings before loading an ad.\n await platform.setAppLovinIsAgeRestrictedUser(true);\n await platform.setHasUserConsent(false);\n _loadAd();\n }\n void _loadAd() {\n // TODO: Load an ad.\n };\n\n @override\n Widget build(BuildContext context) {\n // TODO: Build your widget.\n }\n }\n\nMore details on the APIs supported by other networks can be found\nin the [Android](/ad-manager/mobile-ads-sdk/android/mediation/adcolony) and\n[iOS](/ad-manager/mobile-ads-sdk/ios/mediation/adcolony) documentation."]]