#UnityAdapter Add adaptive banner support for Unity Android 3.4.8.0

PiperOrigin-RevId: 336769842

ThirdPartyAdapters/unity/CHANGELOG.md

@@ -1,5 +1,8 @@
 ## Unity Ads Android Mediation Adapter Changelog
 
+#### Next Version
+- Add adaptive banner support
+
 #### Version 3.4.8.0
 - Fixed a `NullPointerException` error that occurs when a banner ad is destroyed.
 - Updated the minimum required Google Mobile Ads SDK version to 19.3.0.

ThirdPartyAdapters/unity/unity/src/main/java/com/google/ads/mediation/unity/UnityAdapter.java

@@ -53,19 +53,29 @@ public class UnityAdapter extends UnityMediationAdapter
    */
   private MediationInterstitialListener mMediationInterstitialListener;
 
-  /** Placement ID used to determine what type of ad to load. */
+  /**
+   * Placement ID used to determine what type of ad to load.
+   */
   private String mPlacementId;
 
-  /** Placement ID for banner if requested. */
+  /**
+   * Placement ID for banner if requested.
+   */
   private String bannerPlacementId;
 
-  /** The view for the banner instance. */
+  /**
+   * The view for the banner instance.
+   */
   private BannerView mBannerView;
 
-  /** Callback object for Google's Banner Lifecycle. */
+  /**
+   * Callback object for Google's Banner Lifecycle.
+   */
   private MediationBannerListener mMediationBannerListener;
 
-  /** An Android {@link Activity} weak reference used to show ads. */
+  /**
+   * An Android {@link Activity} weak reference used to show ads.
+   */
   private WeakReference<Activity> mActivityWeakReference;
 
   /**
@@ -245,7 +255,7 @@ public void onBannerLeftApplication(BannerView bannerAdView) {
   /**
    * Checks whether or not the provided Unity Ads IDs are valid.
    *
-   * @param gameId Unity Ads Game ID to be verified.
+   * @param gameId      Unity Ads Game ID to be verified.
    * @param placementId Unity Ads Placement ID to be verified.
    * @return {@code true} if all the IDs provided are valid.
    */
@@ -384,10 +394,12 @@ public void onDestroy() {
   }
 
   @Override
-  public void onPause() {}
+  public void onPause() {
+  }
 
   @Override
-  public void onResume() {}
+  public void onResume() {
+  }
   // endregion
 
   // region MediationBannerAdapter implementation.
@@ -399,6 +411,22 @@ public void requestBannerAd(
       AdSize adSize,
       MediationAdRequest adRequest,
       Bundle mediationExtras) {
+
+    // Convert requested size to unity Ad Size.
+    final UnityBannerSize unityBannerSize =
+        UnityAdsAdapterUtils.getUnityBannerSize(context, adSize);
+    if (unityBannerSize == null) {
+      String errorMessage =
+          createAdapterError(
+              ERROR_BANNER_SIZE_MISMATCH,
+              "There is no matching UnityAds ad size for Google ad size: " + adSize);
+      Log.w(TAG, errorMessage);
+      if (mMediationBannerListener != null) {
+        mMediationBannerListener.onAdFailedToLoad(UnityAdapter.this, ERROR_BANNER_SIZE_MISMATCH);
+      }
+      return;
+    }
+
     Log.v(TAG, "Requesting Unity Ads Banner.");
     mMediationBannerListener = listener;
 
@@ -441,14 +469,8 @@ public void requestBannerAd(
       return;
     }
 
-    float density = context.getResources().getDisplayMetrics().density;
-    int bannerWidth = Math.round(adSize.getWidthInPixels(context) / density);
-    int bannerHeight = Math.round(adSize.getHeightInPixels(context) / density);
-
-    UnityBannerSize size = new UnityBannerSize(bannerWidth, bannerHeight);
-
     if (mBannerView == null) {
-      mBannerView = new BannerView((Activity) context, bannerPlacementId, size);
+      mBannerView = new BannerView((Activity) context, bannerPlacementId, unityBannerSize);
     }
 
     mBannerView.setListener(mUnityBannerListener);

ThirdPartyAdapters/unity/unity/src/main/java/com/google/ads/mediation/unity/UnityAdsAdapterUtils.java

@@ -1,9 +1,15 @@
 package com.google.ads.mediation.unity;
 
+import android.content.Context;
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import com.google.ads.mediation.unity.UnityMediationAdapter.AdapterError;
+import com.google.android.gms.ads.MediationUtils;
 import com.unity3d.ads.UnityAds.UnityAdsError;
 import com.unity3d.services.banners.BannerErrorInfo;
+import com.unity3d.services.banners.UnityBannerSize;
+import com.google.android.gms.ads.AdSize;
+import java.util.ArrayList;
 
 /** Utility class for the Unity adapter. */
 public class UnityAdsAdapterUtils {
@@ -113,4 +119,20 @@ static int getMediationErrorCode(@NonNull UnityAdsError unityAdsError) {
     }
     return errorCode;
   }
+
+  @Nullable
+  public static UnityBannerSize getUnityBannerSize(@NonNull Context context,
+      @NonNull AdSize adSize) {
+    ArrayList<AdSize> potentials = new ArrayList<>();
+    potentials.add(AdSize.BANNER);
+    potentials.add(AdSize.LEADERBOARD);
+
+    AdSize closestSize = MediationUtils.findClosestSize(context, adSize, potentials);
+    if (closestSize != null) {
+      return new UnityBannerSize(adSize.getWidth(), adSize.getHeight());
+    }
+
+    return null;
+  }
+
 }

ThirdPartyAdapters/unity/unity/src/main/java/com/google/ads/mediation/unity/UnityMediationAdapter.java

@@ -48,7 +48,8 @@ public class UnityMediationAdapter extends Adapter implements MediationRewardedA
         ERROR_AD_NOT_READY,
         ERROR_UNITY_ADS_NOT_SUPPORTED,
         ERROR_AD_ALREADY_LOADING,
-        ERROR_FINISH
+        ERROR_FINISH,
+        ERROR_BANNER_SIZE_MISMATCH
       })
   @interface AdapterError {}
 
@@ -81,6 +82,9 @@ public class UnityMediationAdapter extends Adapter implements MediationRewardedA
 
   /** UnityAds finished with a {@link FinishState#ERROR} state. */
   static final int ERROR_FINISH = 109;
+
+  /** The requested ad size does not match a UnityAds supported banner size. */
+  static final int ERROR_BANNER_SIZE_MISMATCH = 110;
   // endregion
 
   /** Key to obtain Game ID, required for loading Unity Ads. */