必要條件
完成自訂事件設定。
請求插頁式廣告
當刊登序列中介服務鏈中到達自訂事件委刊項時,系統會使用您在建立自訂事件時提供的類別名稱呼叫the loadInterstitialAd()
method 。在此情況下,該方法位於 SampleCustomEvent
中,接著在 SampleInterstitialCustomEventLoader
中呼叫the loadInterstitialAd()
method 。
如要請求插頁式廣告,請建立或修改擴充 Adapter
的類別以導入 loadInterstitialAd()
。此外,請建立新類別來實作 MediationInterstitialAd
。
在自訂事件範例中,SampleCustomEvent
會實作the Adapter
interface ,然後委派給SampleInterstitialCustomEventLoader
。
Java
package com.google.ads.mediation.sample.customevent; import com.google.android.gms.ads.mediation.Adapter; import com.google.android.gms.ads.mediation.MediationAdConfiguration; import com.google.android.gms.ads.mediation.MediationAdLoadCallback; import com.google.android.gms.ads.mediation.MediationInterstitialAd; import com.google.android.gms.ads.mediation.MediationInterstitialAdCallback; ... public class SampleCustomEvent extends Adapter { private SampleInterstitialCustomEventLoader interstitialLoader; @Override public void loadInterstitialAd( @NonNull MediationInterstitialAdConfiguration adConfiguration, @NonNull MediationAdLoadCallback<MediationInterstitialAd, MediationInterstitialAdCallback> callback) { interstitialLoader = new SampleInterstitialCustomEventLoader(adConfiguration, callback); interstitialLoader.loadAd(); } }
「SampleInterstitialCustomEventLoader
」負責以下工作:
載入插頁式廣告,並在載入完成後叫用
MediationAdLoadCallback
method導入
MediationInterstitialAd
interface接收及回報 Google Mobile Ads SDK 的廣告事件回呼
廣告設定包含 AdMob UI 中定義的選用參數。您可以透過 adConfiguration.getServerParameters().getString(MediationConfiguration.CUSTOM_EVENT_SERVER_PARAMETER_FIELD)
存取這個參數。這個參數通常是廣告聯播網 SDK 在執行個體化廣告物件時所需的廣告單元 ID。
Java
package com.google.ads.mediation.sample.customevent; import com.google.android.gms.ads.mediation.Adapter; import com.google.android.gms.ads.mediation.MediationInterstitialAdConfiguration; import com.google.android.gms.ads.mediation.MediationAdLoadCallback; import com.google.android.gms.ads.mediation.MediationInterstitialAd; import com.google.android.gms.ads.mediation.MediationInterstitialAdCallback; ... public class SampleInterstitialCustomEventLoader extends SampleAdListener implements MediationInterstitialAd { /** A sample third-party SDK interstitial ad. */ private SampleInterstitial sampleInterstitialAd; /** Configuration for requesting the interstitial ad from the third-party network. */ private final MediationInterstitialAdConfiguration mediationInterstitialAdConfiguration; /** Callback for interstitial ad events. */ private MediationInterstitialAdCallback interstitialAdCallback; /** Callback that fires on loading success or failure. */ private final MediationAdLoadCallback<MediationInterstitialAd, MediationInterstitialAdCallback> mediationAdLoadCallback; /** Constructor. */ public SampleInterstitialCustomEventLoader( @NonNull MediationInterstitialAdConfiguration mediationInterstitialAdConfiguration, @NonNull MediationAdLoadCallback<MediationInterstitialAd, MediationInterstitialAdCallback> mediationAdLoadCallback) { this.mediationInterstitialAdConfiguration = mediationInterstitialAdConfiguration; this.mediationAdLoadCallback = mediationAdLoadCallback; } /** Loads the interstitial 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 UI when defining the custom event. Log.i("InterstitialCustomEvent", "Begin loading interstitial ad."); String serverParameter = mediationInterstitialAdConfiguration.getServerParameters().getString( MediationConfiguration.CUSTOM_EVENT_SERVER_PARAMETER_FIELD); Log.d("InterstitialCustomEvent", "Received server parameter."); sampleInterstitialAd = new SampleInterstitial(mediationInterstitialAdConfiguration.getContext()); sampleInterstitialAd.setAdUnit(serverParameter); // Implement a SampleAdListener and forward callbacks to mediation. sampleInterstitialAd.setAdListener(this); // Make an ad request. Log.i("InterstitialCustomEvent", "start fetching interstitial ad."); sampleInterstitialAd.fetchAd( SampleCustomEvent.createSampleRequest(mediationInterstitialAdConfiguration)); } public SampleAdRequest createSampleRequest( MediationAdConfiguration mediationAdConfiguration) { SampleAdRequest request = new SampleAdRequest(); request.setTestMode(mediationAdConfiguration.isTestRequest()); request.setKeywords(mediationAdConfiguration.getMediationExtras().keySet()); return request; } }
視廣告是否成功擷取或發生錯誤而定,您需要呼叫 onSuccess()
或 onFailure()
。藉由傳入實作 MediationInterstitialAd
的類別執行個體來呼叫 onSuccess()
。
一般來說,這些方法是在轉接程式實作的第三方 SDK 回呼內實作。在這個範例中,範例 SDK 的 SampleAdListener
含有相關回呼:
Java
@Override public void onAdFetchSucceeded() { interstitialAdCallback = mediationAdLoadCallback.onSuccess(this); } @Override public void onAdFetchFailed(SampleErrorCode errorCode) { mediationAdLoadCallback.onFailure(SampleCustomEventError.createSampleSdkError(errorCode)); }
MediationInterstitialAd
需要導入 showAd()
方法來顯示廣告:
Java
@Override public void showAd(@NonNull Context context) { sampleInterstitialAd.show(); }
將中介服務事件轉送至 Google Mobile Ads SDK
呼叫 onSuccess()
後,轉接程式即可使用傳回的 MediationInterstitialAdCallback
物件,將顯示事件從第三方 SDK 轉送至 Google Mobile Ads SDK。SampleInterstitialCustomEventLoader
類別會擴充 SampleAdListener
介面,將範例廣告聯播網的回呼轉送至 Google Mobile Ads SDK。
您的自訂事件必須盡可能轉送這些回呼,才能讓應用程式從 Google Mobile Ads SDK 接收這些對等事件。以下是回呼的使用範例:
Java
@Override public void onAdFullScreen() { interstitialAdCallback.reportAdImpression(); interstitialAdCallback.onAdOpened(); } @Override public void onAdClosed() { interstitialAdCallback.onAdClosed(); }
這樣就完成插頁式廣告的自訂事件導入。GitHub 提供完整範例。您可以將其與系統支援的廣告聯播網搭配使用,也可以將其修改為顯示自訂事件插頁式廣告。