เหตุการณ์ที่กำหนดเองของโฆษณาเนทีฟ

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.MediationNativeAdCallback;
...
public class SampleCustomEvent extends Adapter {
  private SampleNativeCustomEventLoader nativeLoader;

  @Override
  public void loadNativeAd(
      @NonNull MediationNativeAdConfiguration adConfiguration,
      @NonNull MediationAdLoadCallback<UnifiedNativeAdMapper, MediationNativeAdCallback> callback) {
    nativeLoader = new SampleNativeCustomEventLoader(adConfiguration, callback);
    nativeLoader.loadAd();
  }
}

package com.google.ads.mediation.sample.customevent;

import com.google.android.gms.ads.mediation.Adapter;
import com.google.android.gms.ads.mediation.MediationNativeAdConfiguration;
import com.google.android.gms.ads.mediation.MediationAdLoadCallback;
import com.google.android.gms.ads.mediation.MediationNativeAdCallback;
...

public class SampleNativeCustomEventLoader extends SampleNativeAdListener {
  /** Configuration for requesting the native ad from the third-party network. */
  private final MediationNativeAdConfiguration mediationNativeAdConfiguration;

  /** Callback that fires on loading success or failure. */
  private final MediationAdLoadCallback<UnifiedNativeAdMapper, MediationNativeAdCallback>
      mediationAdLoadCallback;

  /** Callback for native ad events. */
  private MediationNativeAdCallback nativeAdCallback;

  /** Constructor */
  public SampleNativeCustomEventLoader(
      @NonNull MediationNativeAdConfiguration mediationNativeAdConfiguration,
      @NonNull MediationAdLoadCallback<MediationNativeAd, MediationNativeAdCallback>
              mediationAdLoadCallback) {
    this.mediationNativeAdConfiguration = mediationNativeAdConfiguration;
    this.mediationAdLoadCallback = mediationAdLoadCallback;
  }

  /** Loads the native ad from the third-party ad network. */
  public void loadAd() {
    // Create one of the Sample SDK's ad loaders to request ads.
    Log.i("NativeCustomEvent", "Begin loading native ad.");
    SampleNativeAdLoader loader =
        new SampleNativeAdLoader(mediationNativeAdConfiguration.getContext());

    // All custom events have a server parameter named "parameter" that returns
    // back the parameter entered into the UI when defining the custom event.
    String serverParameter = mediationNativeAdConfiguration
        .getServerParameters()
        .getString(MediationConfiguration
        .CUSTOM_EVENT_SERVER_PARAMETER_FIELD);
    Log.d("NativeCustomEvent", "Received server parameter.");

    loader.setAdUnit(serverParameter);

    // Create a native request to give to the SampleNativeAdLoader.
    SampleNativeAdRequest request = new SampleNativeAdRequest();
    NativeAdOptions options = mediationNativeAdConfiguration.getNativeAdOptions();
    if (options != null) {
      // If the NativeAdOptions' shouldReturnUrlsForImageAssets is true, the adapter should
      // send just the URLs for the images.
      request.setShouldDownloadImages(!options.shouldReturnUrlsForImageAssets());

      request.setShouldDownloadMultipleImages(options.shouldRequestMultipleImages());
      switch (options.getMediaAspectRatio()) {
        case NativeAdOptions.NATIVE_MEDIA_ASPECT_RATIO_LANDSCAPE:
          request.setPreferredImageOrientation(SampleNativeAdRequest.IMAGE_ORIENTATION_LANDSCAPE);
          break;
        case NativeAdOptions.NATIVE_MEDIA_ASPECT_RATIO_PORTRAIT:
          request.setPreferredImageOrientation(SampleNativeAdRequest.IMAGE_ORIENTATION_PORTRAIT);
          break;
        case NativeAdOptions.NATIVE_MEDIA_ASPECT_RATIO_SQUARE:
        case NativeAdOptions.NATIVE_MEDIA_ASPECT_RATIO_ANY:
        case NativeAdOptions.NATIVE_MEDIA_ASPECT_RATIO_UNKNOWN:
        default:
          request.setPreferredImageOrientation(SampleNativeAdRequest.IMAGE_ORIENTATION_ANY);
      }
    }

    loader.setNativeAdListener(this);

    // Begin a request.
    Log.i("NativeCustomEvent", "Start fetching native ad.");
    loader.fetchAd(request);
  }
}

@Override
public void onNativeAdFetched(SampleNativeAd ad) {
  SampleUnifiedNativeAdMapper mapper = new SampleUnifiedNativeAdMapper(ad);
  mediationNativeAdCallback = mediationAdLoadCallback.onSuccess(mapper);
}

@Override
public void onAdFetchFailed(SampleErrorCode errorCode) {
  mediationAdLoadCallback.onFailure(SampleCustomEventError.createSampleSdkError(errorCode));
}

package com.google.ads.mediation.sample.customevent;

import com.google.android.gms.ads.mediation.UnifiedNativeAdMapper;
import com.google.android.gms.ads.nativead.NativeAd;
...

public class SampleUnifiedNativeAdMapper extends UnifiedNativeAdMapper {

  private final SampleNativeAd sampleAd;

  public SampleUnifiedNativeAdMapper(SampleNativeAd ad) {
    sampleAd = ad;
    setHeadline(sampleAd.getHeadline());
    setBody(sampleAd.getBody());
    setCallToAction(sampleAd.getCallToAction());
    setStarRating(sampleAd.getStarRating());
    setStore(sampleAd.getStoreName());
    setIcon(
        new SampleNativeMappedImage(
            ad.getIcon(), ad.getIconUri(), SampleCustomEvent.SAMPLE_SDK_IMAGE_SCALE));
    setAdvertiser(ad.getAdvertiser());

    List<NativeAd.Image> imagesList = new ArrayList<NativeAd.Image>();
    imagesList.add(new SampleNativeMappedImage(ad.getImage(), ad.getImageUri(),
        SampleCustomEvent.SAMPLE_SDK_IMAGE_SCALE));
    setImages(imagesList);

    if (sampleAd.getPrice() != null) {
      NumberFormat formatter = NumberFormat.getCurrencyInstance();
      String priceString = formatter.format(sampleAd.getPrice());
      setPrice(priceString);
    }

    Bundle extras = new Bundle();
    extras.putString(SampleCustomEvent.DEGREE_OF_AWESOMENESS, ad.getDegreeOfAwesomeness());
    this.setExtras(extras);

    setOverrideClickHandling(false);
    setOverrideImpressionRecording(false);

    setAdChoicesContent(sampleAd.getInformationIcon());
  }

  @Override
  public void recordImpression() {
    sampleAd.recordImpression();
  }

  @Override
  public void handleClick(View view) {
    sampleAd.handleClick(view);
  }

  // The Sample SDK doesn't do its own impression/click tracking, instead relies on its
  // publishers calling the recordImpression and handleClick methods on its native ad object. So
  // there's no need to pass a reference to the View being used to display the native ad. If
  // your mediated network does need a reference to the view, the following method can be used
  // to provide one.

  @Override
  public void trackViews(View containerView, Map<String, View> clickableAssetViews,
      Map<String, View> nonClickableAssetViews) {
    super.trackViews(containerView, clickableAssetViews, nonClickableAssetViews);
    // If your ad network SDK does its own impression tracking, here is where you can track the
    // top level native ad view and its individual asset views.
  }

  @Override
  public void untrackView(View view) {
    super.untrackView(view);
    // Here you would remove any trackers from the View added in trackView.
  }
}

if (sampleAd.getPrice() != null) {
    NumberFormat formatter = NumberFormat.getCurrencyInstance();
    String priceString = formatter.format(sampleAd.getPrice());
    setPrice(priceString);
}

public class SampleNativeMappedImage extends NativeAd.Image {

  private Drawable drawable;
  private Uri imageUri;
  private double scale;

  public SampleNativeMappedImage(Drawable drawable, Uri imageUri, double scale) {
    this.drawable = drawable;
    this.imageUri = imageUri;
    this.scale = scale;
  }

  @Override
  public Drawable getDrawable() {
    return drawable;
  }

  @Override
  public Uri getUri() {
    return imageUri;
  }

  @Override
  public double getScale() {
    return scale;
  }
}

setIcon(new SampleNativeMappedImage(ad.getAppIcon(), ad.getAppIconUri(),
    SampleCustomEvent.SAMPLE_SDK_IMAGE_SCALE));

Bundle extras = new Bundle();
extras.putString(SampleCustomEvent.DEGREE_OF_AWESOMENESS, ad.getDegreeOfAwesomeness());
this.setExtras(extras);

public SampleNativeAdMapper(SampleNativeAd ad) {
    ...
    setAdChoicesContent(sampleAd.getInformationIcon());
}

@Override
public void recordImpression() {
  sampleAd.recordImpression();
}

@Override
public void handleClick(View view) {
  sampleAd.handleClick(view);
}

setOverrideClickHandling(true);
setOverrideImpressionRecording(true);

@Override
public void trackViews(View containerView,
    Map<String, View> clickableAssetViews,
    Map<String, View> nonClickableAssetViews) {
  sampleAd.setNativeAdViewForTracking(containerView);
}