Integrate LINE Ads Network with mediation

This guide shows you how to use the Google Mobile Ads SDK to load and display ads from LINE Ads Network using mediation, covering waterfall integrations. It covers how to add LINE Ads Network to an ad unit's mediation configuration, and how to integrate the LINE Ads Network SDK and adapter into a Flutter app.

Supported integrations and ad formats

The AdMob mediation adapter for LINE Ads Network has the following capabilities:

Integration
Bidding  1
Waterfall
Formats
Banner
Interstitial
Rewarded
Native

1 Bidding integration is in closed beta, reach out to your account manager to request access.

Requirements

  • Latest Google Mobile Ads SDK
  • Flutter 3.7.0 or higher
  • To deploy on Android
    • Android API level 21 or higher
  • To deploy on iOS
    • iOS deployment target of 12.0 or higher
  • A working Flutter project configured with Google Mobile Ads SDK. See Get Started for details.
  • Complete the mediation Get started guide

Step 1: Set up configurations in LINE Ads Network UI

Log in to your LINE Ads Network account.

Add a new application

Click 広告枠管理 (Ad Slot Management) > メディア (Media). Then, click 新規作成 (Create New).

Fill out the form and click 登録 (Register).

Take note of the Application ID.

Create an ad placement

Click the ID of the application you want to add an ad placement. Then, select 詳細 (Detail).

Click スロット 追加 (Add Slot).

Fill out the form and once done, click (登録) Register.

Take note of the Slot ID.

Step 2: Set up LINE Ads Network demand in AdMob UI

Configure mediation settings for your ad unit

AndroidiOS

For instructions, see step 2 in the guide for Android.

For instructions, see step 2 in the guide for iOS.

Step 3: Import the LINE Ads Network SDK and adapter

Integration through pub.dev

Add the following dependency with the latest versions of the LINE Ads Network SDK and adapter in your package's pubspec.yaml file:

dependencies:
  gma_mediation_line: ^

Manual Integration

Download the latest version of Google Mobile Ads mediation plugin for LINE Ads Network, extract the downloaded file, and add the extracted plugin folder (and its contents) to your Flutter project. Then, reference the plugin in your pubspec.yaml file by adding the following dependency:

dependencies:
  gma_mediation_line:
    path: path/to/local/package

Step 4: Add required code

AndroidiOS

No additional code is required for LINE Ads Network integration.

SKAdNetwork integration

Follow LINE Ads Network's documentation to add the SKAdNetwork identifiers to your project's Info.plist file.

Step 5: Test your implementation

Enable test ads

Make sure you register your test device for AdMob.

Verify test ads

To verify that you are receiving test ads from LINE Ads Network, enable single ad source testing in ad inspector using the LINE Ads Network (Waterfall) ad source(s).

Optional steps

Network-specific parameters

The LINE Ads Network Flutter mediation plugin supports the following additional request parameter which can be passed to the adapter through the LineMediationExtras class:

  • enableAdSound : Specifies the default sound start state of banner, interstitial and rewarded ads.

Here's a code example of how to create an ad request that sets these parameters:

LineMediationExtras lineExtras = LineMediationExtras(enableAdSound: true)

AdRequest request = AdRequest(
    keywords: <String>['foo', 'bar'],
    contentUrl: 'http://foo.com/bar.html',
    mediationExtras: [lineExtras],
);

Error codes

If the adapter fails to receive an ad from LINE Ads Network, publishers can check the underlying error from the ad response using ResponseInfo under the following classes:

AndroidiOS
com.line.ads
com.google.ads.mediation.line.LineMediationAdapter

GADMediationAdapterLine

Here are the codes and accompanying messages thrown by the LINE Ads Network adapter when an ad fails to load:

AndroidiOS
Error code Domain Reason
1-10 com.five_corp.ad LINE Ads Network SDK returned an SDK-specific error. See LINE Ads Network's documentation for more details.
101 com.google.ads.mediation.line Missing or invalid Application ID.
102 com.google.ads.mediation.line Missing or invalid Slot ID.
103 com.google.ads.mediation.line The requested ad size does not match a LINE Ads Network supported banner ad size.
104 com.google.ads.mediation.line Failed to load an interstitial or rewarded ad due to missing activity context.
105 com.google.ads.mediation.line LINE Ads Network SDK failed to show an interstitial or rewarded ad.
106 com.google.ads.mediation.line Failed to load a native ad due to missing assets.
Error code Domain Reason
1-10 Sent by LINE Ads Network SDK LINE Ads Network SDK returned an SDK-specific error. See LINE Ads Network's documentation for more details.
101 com.google.ads.mediation.line Invalid server parameters (e.g. Missing Application ID or Slot ID).
102 com.google.ads.mediation.line The requested ad size does not match a LINE Ads Network supported banner ad size.
103 com.google.ads.mediation.line Failed to load an information icon image asset in native ad.

Line Flutter Mediation Adapter Changelog

1.0.0