リワード広告のカスタム イベント
コレクションでコンテンツを整理
必要に応じて、コンテンツの保存と分類を行います。
前提条件
カスタム イベントのセットアップを完了します。
リワード広告をリクエストする
ウォーターフォール メディエーション チェーンでカスタム イベント広告申込情報に到達すると、カスタム イベントの作成時に指定したクラス名で loadRewardedAd()
メソッドが呼び出されます。この場合、メソッドは SampleCustomEvent
にあり、loadRewardedAd()
で SampleRewardedCustomEventLoader
を呼び出します。
リワード広告をリクエストするには、Adapter
を拡張して loadRewardedAd()
を実装するクラスを作成または変更します。また、MediationRewardedAd
を実装するための新しいクラスを作成します。
カスタム イベントの例では、SampleCustomEvent
が Adapter
クラスを拡張し、その後 SampleRewardedCustomEventLoader
にデリゲートします。
Java
package com.google.ads.mediation.sample.customevent;
import com.google.android.gms.ads.mediation.Adapter;
import com.google.android.gms.ads.mediation.MediationRewardedAdConfiguration;
import com.google.android.gms.ads.mediation.MediationAdConfiguration;
import com.google.android.gms.ads.mediation.MediationAdLoadCallback;
import com.google.android.gms.ads.mediation.MediationRewardedAd;
import com.google.android.gms.ads.mediation.MediationRewardedAdCallback;
...
public class SampleCustomEvent extends Adapter {
private SampleNativeCustomEventLoader nativeLoader;
@Override
public void loadRewardedAd(
@NonNull MediationRewardedAdConfiguration mediationRewardedAdConfiguration,
@NonNull
MediationAdLoadCallback<MediationRewardedAd, MediationRewardedAdCallback>
mediationAdLoadCallback) {
rewardedLoader =
new SampleRewardedCustomEventLoader(
mediationRewardedAdConfiguration, mediationAdLoadCallback);
rewardedLoader.loadAd();
}
}
SampleRewardedCustomEventLoader
の役割は次のとおりです。
アド マネージャーの管理画面で定義されたオプション パラメータは、広告構成に含まれます。このパラメータには adConfiguration.getServerParameters().getString(MediationConfiguration.CUSTOM_EVENT_SERVER_PARAMETER_FIELD)
を介してアクセスできます。このパラメータは通常、広告オブジェクトをインスタンス化する際に広告ネットワーク SDK が要求する広告ユニット ID です。
Java
package com.google.ads.mediation.sample.customevent;
import com.google.android.gms.ads.mediation.Adapter;
import com.google.android.gms.ads.mediation.MediationRewardedAdConfiguration;
import com.google.android.gms.ads.mediation.MediationAdLoadCallback;
import com.google.android.gms.ads.mediation.MediationRewardedAd;
import com.google.android.gms.ads.mediation.MediationRewardedAdCallback;
...
public class SampleRewardedCustomEventLoader extends SampleRewardedAdListener
implements MediationRewardedAd {
/** Configuration for requesting the rewarded ad from the third-party network. */
private final MediationRewardedAdConfiguration mediationRewardedAdConfiguration;
/**
* A {@link MediationAdLoadCallback} that handles any callback when a Sample
* rewarded ad finishes loading.
*/
private final MediationAdLoadCallback<MediationRewardedAd, MediationRewardedAdCallback>
mediationAdLoadCallback;
/** Callback for rewarded ad events. */
private MediationRewardedAdCallback rewardedAdCallback;
/** Constructor. */
public SampleRewardedCustomEventLoader(
@NonNull MediationRewardedAdConfiguration mediationRewardedAdConfiguration,
@NonNull MediationAdLoadCallback<MediationRewardedAd, MediationRewardedAdCallback>
mediationAdLoadCallback) {
this.mediationRewardedAdConfiguration = mediationRewardedAdConfiguration;
this.mediationAdLoadCallback = mediationAdLoadCallback;
}
/** Loads the rewarded ad from the third-party ad network. */
public void loadAd() {
// All custom events have a server parameter named "parameter" that returns
// back the parameter entered into the AdMob UI when defining the custom event.
Log.i("RewardedCustomEvent", "Begin loading rewarded ad.");
String serverParameter = mediationRewardedAdConfiguration
.getServerParameters()
.getString(MediationConfiguration
.CUSTOM_EVENT_SERVER_PARAMETER_FIELD);
Log.d("RewardedCustomEvent", "Received server parameter.");
SampleAdRequest request = createSampleRequest(mediationRewardedAdConfiguration);
sampleRewardedAd = new SampleRewardedAd(serverParameter);
sampleRewardedAd.setListener(this);
Log.i("RewardedCustomEvent", "Start fetching rewarded ad.");
sampleRewardedAd.loadAd(request);
}
public SampleAdRequest createSampleRequest(
MediationAdConfiguration mediationAdConfiguration) {
SampleAdRequest request = new SampleAdRequest();
request.setTestMode(mediationAdConfiguration.isTestRequest());
request.setKeywords(mediationAdConfiguration.getMediationExtras().keySet());
return request;
}
}
広告の取得が成功したかエラーが発生したかに応じて、onSuccess()
または onFailure()
を呼び出します。onSuccess()
は、MediationRewardedAd
を実装するクラスのインスタンスを渡すことで呼び出されます。
通常、これらのメソッドは、アダプタが実装するサードパーティ SDK のコールバック内に実装されます。この例では、関連するコールバックを含む SampleAdListener
が「Sample SDK」に含まれています。
Java
@Override
public void onRewardedAdLoaded() {
rewardedAdCallback = mediationAdLoadCallback.onSuccess(this);
}
@Override
public void onRewardedAdFailedToLoad(SampleErrorCode errorCode) {
mediationAdLoadCallback.onFailure(SampleCustomEventError.createSampleSdkError(errorCode));
}
MediationRewardedAd
では、広告を表示するために showAd()
メソッドを実装する必要があります。
Java
@Override
public void showAd(Context context) {
if (!(context instanceof Activity)) {
rewardedAdCallback.onAdFailedToShow(
SampleCustomEventError.createCustomEventNoActivityContextError());
return;
}
Activity activity = (Activity) context;
if (!sampleRewardedAd.isAdAvailable()) {
rewardedAdCallback.onAdFailedToShow(
SampleCustomEventError.createCustomEventAdNotAvailableError());
return;
}
sampleRewardedAd.showAd(activity);
}
onSuccess()
が呼び出されると、返された MediationRewardedAdCallback
オブジェクトをアダプタが使用することにより、プレゼンテーション イベントをサードパーティ SDK から Google Mobile Ads SDK に転送できます。SampleRewardedCustomEventLoader
クラスは SampleAdListener
インターフェースを拡張して、サンプル広告ネットワークからのコールバックを Google Mobile Ads SDK に転送します。
カスタム イベントには、こうしたコールバックを可能な限り漏れなく転送させましょう。これにより、アプリは同等イベントを Google Mobile Ads SDK から受け取ることができます。コールバックの使用例を以下に示します。
Java
@Override
public void onAdRewarded(final String rewardType, final int amount) {
RewardItem rewardItem =
new RewardItem() {
@Override
public String getType() {
return rewardType;
}
@Override
public int getAmount() {
return amount;
}
};
rewardedAdCallback.onUserEarnedReward(rewardItem);
}
@Override
public void onAdClicked() {
rewardedAdCallback.reportAdClicked();
}
@Override
public void onAdFullScreen() {
rewardedAdCallback.onAdOpened();
rewardedAdCallback.onVideoStart();
rewardedAdCallback.reportAdImpression();
}
@Override
public void onAdClosed() {
rewardedAdCallback.onAdClosed();
}
@Override
public void onAdCompleted() {
rewardedAdCallback.onVideoComplete();
}
これで、リワード広告のカスタム イベントの実装が完了しました。サンプル全体は GitHub で入手できます。このサンプルは、すでにサポートされている広告ネットワークで使用することができます。また、変更を加えてカスタム イベント リワード広告を表示することもできます。
特に記載のない限り、このページのコンテンツはクリエイティブ・コモンズの表示 4.0 ライセンスにより使用許諾されます。コードサンプルは Apache 2.0 ライセンスにより使用許諾されます。詳しくは、Google Developers サイトのポリシーをご覧ください。Java は Oracle および関連会社の登録商標です。
最終更新日 2025-09-05 UTC。
[null,null,["最終更新日 2025-09-05 UTC。"],[[["\u003cp\u003eTo request a rewarded ad through a custom event, create a class extending \u003ccode\u003eAdapter\u003c/code\u003e and implement the \u003ccode\u003eloadRewardedAd()\u003c/code\u003e method, delegating the ad loading process to a separate loader class.\u003c/p\u003e\n"],["\u003cp\u003eThe loader class is responsible for loading the ad, implementing the \u003ccode\u003eMediationRewardedAd\u003c/code\u003e interface, and handling ad event callbacks.\u003c/p\u003e\n"],["\u003cp\u003eUpon successful ad loading, call \u003ccode\u003eonSuccess()\u003c/code\u003e on the \u003ccode\u003eMediationAdLoadCallback\u003c/code\u003e, passing in the \u003ccode\u003eMediationRewardedAd\u003c/code\u003e implementation; on failure, call \u003ccode\u003eonFailure()\u003c/code\u003e with the error.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eMediationRewardedAd\u003c/code\u003e implementation must include a \u003ccode\u003eshowAd()\u003c/code\u003e method to display the ad when called.\u003c/p\u003e\n"],["\u003cp\u003eForward ad events from the third-party SDK to the Google Mobile Ads SDK using the \u003ccode\u003eMediationRewardedAdCallback\u003c/code\u003e to ensure consistent ad behavior and reporting.\u003c/p\u003e\n"]]],[],null,["Prerequisites\n\nComplete the [custom events setup](/ad-manager/mobile-ads-sdk/android/custom-events/setup).\n\nRequest a rewarded ad\n\nWhen the custom event line item is reached in the waterfall mediation chain,\nthe `loadRewardedAd()` method is called on the class name you\nprovided when [creating a custom\nevent](/ad-manager/mobile-ads-sdk/android/custom-events/setup#create). In this case,\nthat method is in `SampleCustomEvent`, which then calls the `loadRewardedAd()`\nmethod in `SampleRewardedCustomEventLoader`.\n\nTo request a rewarded ad, create or modify a class that extends `Adapter` to\nimplement `loadRewardedAd()`. Additionally, create a new class to implement\n`MediationRewardedAd`.\n\nIn our [custom event example](//github.com/googleads/googleads-mobile-android-mediation/blob/main/Example/customevent/src/main/java/com/google/ads/mediation/sample/customevent/SampleCustomEvent.java),\n`SampleCustomEvent` extends the `Adapter` class and then delegates to\n`SampleRewardedCustomEventLoader`. \n\nJava \n\n```java\npackage com.google.ads.mediation.sample.customevent;\n\nimport com.google.android.gms.ads.mediation.Adapter;\nimport com.google.android.gms.ads.mediation.MediationRewardedAdConfiguration;\nimport com.google.android.gms.ads.mediation.MediationAdConfiguration;\nimport com.google.android.gms.ads.mediation.MediationAdLoadCallback;\nimport com.google.android.gms.ads.mediation.MediationRewardedAd;\nimport com.google.android.gms.ads.mediation.MediationRewardedAdCallback;\n...\n\npublic class SampleCustomEvent extends Adapter {\n\n private SampleNativeCustomEventLoader nativeLoader;\n\n @Override\n public void loadRewardedAd(\n @NonNull MediationRewardedAdConfiguration mediationRewardedAdConfiguration,\n @NonNull\n MediationAdLoadCallback\u003cMediationRewardedAd, MediationRewardedAdCallback\u003e\n mediationAdLoadCallback) {\n rewardedLoader =\n new SampleRewardedCustomEventLoader(\n mediationRewardedAdConfiguration, mediationAdLoadCallback);\n rewardedLoader.loadAd();\n }\n}\n```\n\n`SampleRewardedCustomEventLoader` is responsible for the following tasks:\n\n- Loading the rewarded ad\n\n- Implementing the `MediationRewardedAd` interface.\n\n- Receiving and reporting ad event callbacks to Google Mobile Ads SDK.\n\nThe optional parameter defined in the Ad Manager UI is\nincluded in the ad configuration. The parameter can be accessed through\n`adConfiguration.getServerParameters().getString(MediationConfiguration.CUSTOM_EVENT_SERVER_PARAMETER_FIELD)`.\nThis parameter is typically an ad unit identifier that an ad network SDK\nrequires when instantiating an ad object. \n\nJava \n\n```java\npackage com.google.ads.mediation.sample.customevent;\n\nimport com.google.android.gms.ads.mediation.Adapter;\nimport com.google.android.gms.ads.mediation.MediationRewardedAdConfiguration;\nimport com.google.android.gms.ads.mediation.MediationAdLoadCallback;\nimport com.google.android.gms.ads.mediation.MediationRewardedAd;\nimport com.google.android.gms.ads.mediation.MediationRewardedAdCallback;\n...\n\npublic class SampleRewardedCustomEventLoader extends SampleRewardedAdListener\n implements MediationRewardedAd {\n\n /** Configuration for requesting the rewarded ad from the third-party network. */\n private final MediationRewardedAdConfiguration mediationRewardedAdConfiguration;\n\n /**\n * A {@link MediationAdLoadCallback} that handles any callback when a Sample\n * rewarded ad finishes loading.\n */\n private final MediationAdLoadCallback\u003cMediationRewardedAd, MediationRewardedAdCallback\u003e\n mediationAdLoadCallback;\n\n /** Callback for rewarded ad events. */\n private MediationRewardedAdCallback rewardedAdCallback;\n\n /** Constructor. */\n public SampleRewardedCustomEventLoader(\n @NonNull MediationRewardedAdConfiguration mediationRewardedAdConfiguration,\n @NonNull MediationAdLoadCallback\u003cMediationRewardedAd, MediationRewardedAdCallback\u003e\n mediationAdLoadCallback) {\n this.mediationRewardedAdConfiguration = mediationRewardedAdConfiguration;\n this.mediationAdLoadCallback = mediationAdLoadCallback;\n }\n\n /** Loads the rewarded ad from the third-party ad network. */\n public void loadAd() {\n // All custom events have a server parameter named \"parameter\" that returns\n // back the parameter entered into the AdMob UI when defining the custom event.\n Log.i(\"RewardedCustomEvent\", \"Begin loading rewarded ad.\");\n String serverParameter = mediationRewardedAdConfiguration\n .getServerParameters()\n .getString(MediationConfiguration\n .CUSTOM_EVENT_SERVER_PARAMETER_FIELD);\n Log.d(\"RewardedCustomEvent\", \"Received server parameter.\");\n SampleAdRequest request = createSampleRequest(mediationRewardedAdConfiguration);\n sampleRewardedAd = new SampleRewardedAd(serverParameter);\n sampleRewardedAd.setListener(this);\n Log.i(\"RewardedCustomEvent\", \"Start fetching rewarded ad.\");\n sampleRewardedAd.loadAd(request);\n }\n\n public SampleAdRequest createSampleRequest(\n MediationAdConfiguration mediationAdConfiguration) {\n SampleAdRequest request = new SampleAdRequest();\n request.setTestMode(mediationAdConfiguration.isTestRequest());\n request.setKeywords(mediationAdConfiguration.getMediationExtras().keySet());\n return request;\n }\n}\n```\n\nDepending on whether the ad is successfully fetched or encounters an error, you\nwould call either\n[`onSuccess()`](/ad-manager/mobile-ads-sdk/android/reference/com/google/android/gms/ads/mediation/MediationAdLoadCallback#onSuccess(MediationAdT))\nor\n[`onFailure()`](/ad-manager/mobile-ads-sdk/android/reference/com/google/android/gms/ads/mediation/MediationAdLoadCallback#onFailure(com.google.android.gms.ads.AdError)).\n`onSuccess()` is called by passing in an instance of the class that implements\n`MediationRewardedAd`.\n\nTypically, these methods are implemented inside callbacks from the\nthird-party SDK your adapter implements. For this example, the Sample SDK\nhas a `SampleAdListener` with relevant callbacks: \n\nJava \n\n```java\n@Override\npublic void onRewardedAdLoaded() {\n rewardedAdCallback = mediationAdLoadCallback.onSuccess(this);\n}\n\n@Override\npublic void onRewardedAdFailedToLoad(SampleErrorCode errorCode) {\n mediationAdLoadCallback.onFailure(SampleCustomEventError.createSampleSdkError(errorCode));\n}\n```\n\n`MediationRewardedAd` requires implementing a `showAd()` method to display\nthe ad: \n\nJava \n\n```java\n@Override\npublic void showAd(Context context) {\n if (!(context instanceof Activity)) {\n rewardedAdCallback.onAdFailedToShow(\n SampleCustomEventError.createCustomEventNoActivityContextError());\n return;\n }\n Activity activity = (Activity) context;\n\n if (!sampleRewardedAd.isAdAvailable()) {\n rewardedAdCallback.onAdFailedToShow(\n SampleCustomEventError.createCustomEventAdNotAvailableError());\n return;\n }\n sampleRewardedAd.showAd(activity);\n}\n```\n\nForward mediation events to Google Mobile Ads SDK\n\nOnce `onSuccess()` is called, the returned `MediationRewardedAdCallback`\nobject can then be used by the adapter to forward presentation events from the\nthird-party SDK to Google Mobile Ads SDK. The\n`SampleRewardedCustomEventLoader` class extends the `SampleAdListener`\ninterface to forward callbacks from the sample ad network to the Google Mobile\nAds SDK.\n\nIt's important that your custom event forwards as many of these callbacks as\npossible, so that your app receives these equivalent events from the\nGoogle Mobile Ads SDK. Here's an example of using callbacks: \n\nJava \n\n```java\n@Override\npublic void onAdRewarded(final String rewardType, final int amount) {\n RewardItem rewardItem =\n new RewardItem() {\n @Override\n public String getType() {\n return rewardType;\n }\n\n @Override\n public int getAmount() {\n return amount;\n }\n };\n rewardedAdCallback.onUserEarnedReward(rewardItem);\n}\n\n@Override\npublic void onAdClicked() {\n rewardedAdCallback.reportAdClicked();\n}\n\n@Override\npublic void onAdFullScreen() {\n rewardedAdCallback.onAdOpened();\n rewardedAdCallback.onVideoStart();\n rewardedAdCallback.reportAdImpression();\n}\n\n@Override\npublic void onAdClosed() {\n rewardedAdCallback.onAdClosed();\n}\n\n@Override\npublic void onAdCompleted() {\n rewardedAdCallback.onVideoComplete();\n}\n```\n\nThis completes the custom events implementation for rewarded ads. The full\nexample is available on\n[GitHub](//github.com/googleads/googleads-mobile-android-mediation/tree/master/Example/customevent/src/main/java/com/google/ads/mediation/sample/customevent).\nYou can use it with an ad network that is already supported or modify it to\ndisplay custom event rewarded ads."]]