import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import com.unity3d.ads.IUnityAdsInitializationListener; import com.unity3d.ads.UnityAds; import com.unity3d.services.banners.BannerErrorInfo; import com.unity3d.services.banners.BannerView; import com.unity3d.services.banners.UnityBannerSize; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.RelativeLayout; public class ShowBanners extends AppCompatActivity implements IUnityAdsInitializationListener {   String unityGameID = "1234567";   Boolean testMode = true;   String topAdUnitId = "topBanner";   String bottomAdUnitId = "bottomBanner";   // Listener for banner events:   private BannerView.IListener bannerListener = new BannerView.IListener() {     @Override     public void onBannerLoaded(BannerView bannerAdView) {       // Called when the banner is loaded.       Log.v("UnityAdsExample", "onBannerLoaded: " + bannerAdView.getPlacementId());       // Enable the correct button to hide the ad       (bannerAdView.getPlacementId().equals("topBanner") ? hideTopBannerButton : hideBottomBannerButton).setEnabled(true);     }     @Override     public void onBannerFailedToLoad(BannerView bannerAdView, BannerErrorInfo errorInfo) {       Log.e("UnityAdsExample", "Unity Ads failed to load banner for " + bannerAdView.getPlacementId() + " with error: [" + errorInfo.errorCode + "] " + errorInfo.errorMessage);       // Note that the BannerErrorInfo object can indicate a no fill (refer to the API documentation).     }     @Override     public void onBannerClick(BannerView bannerAdView) {       // Called when a banner is clicked.       Log.v("UnityAdsExample", "onBannerClick: " + bannerAdView.getPlacementId());     }     @Override     public void onBannerLeftApplication(BannerView bannerAdView) {       // Called when the banner links out of the application.       Log.v("UnityAdsExample", "onBannerLeftApplication: " + bannerAdView.getPlacementId());     }   };   // This banner view object will be placed at the top of the screen:   BannerView topBanner;   // This banner view object will be placed at the bottom of the screen:   BannerView bottomBanner;   // View objects to display banners:   RelativeLayout topBannerView;   RelativeLayout bottomBannerView;   // Buttons to show the banners:   Button showTopBannerButton;   Button showBottomBannerButton;   // Buttons to destroy the banners:   Button hideTopBannerButton;   Button hideBottomBannerButton;   @Override   protected void onCreate(Bundle savedInstanceState) {     super.onCreate(savedInstanceState);     setContentView(R.layout.activity_main);     // Initialize Unity Ads:     UnityAds.initialize(getApplicationContext(), unityGameID, testMode, this);     // Set up a button to load the top banner when clicked:     showTopBannerButton = findViewById(R.id.loadTopBanner);     // Set up a button to load the bottom banner when clicked:     showBottomBannerButton = findViewById(R.id.loadBottomBanner);     // Set up a button to destroy the top banner when clicked:     hideTopBannerButton = findViewById(R.id.hideTopBanner);     // Set up a button to destroy the bottom banner when clicked:     hideBottomBannerButton = findViewById(R.id.hideBottomBanner);     showTopBannerButton.setEnabled(false);     showBottomBannerButton.setEnabled(false);     hideTopBannerButton.setEnabled(false);     hideBottomBannerButton.setEnabled(false);     showTopBannerButton.setOnClickListener(new View.OnClickListener() {     @Override     public void onClick(View view) {       showTopBannerButton.setEnabled(false);       // Create the top banner view object:       topBanner = new BannerView(view.getContext(), topAdUnitId, new UnityBannerSize(320, 50));       // Set the listener for banner lifecycle events:       topBanner.setListener(bannerListener);       topBannerView = findViewById(R.id.topBanner);       LoadBannerAd(topBanner, topBannerView);   } }); showBottomBannerButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) {         showBottomBannerButton.setEnabled(false);         // Create the bottom banner view object:         bottomBanner = new BannerView(view.getContext(), bottomAdUnitId, new UnityBannerSize(320, 50));         // Set the listener for banner lifecycle events:         bottomBanner.setListener(bannerListener);         bottomBannerView = findViewById(R.id.bottomBanner);         LoadBannerAd(bottomBanner, bottomBannerView);   } }); hideTopBannerButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) {         // Remove content from the banner view:         topBannerView.removeAllViews();         // Remove the banner variables:         topBannerView = null;         topBanner = null;         showTopBannerButton.setEnabled(true);   } }); hideBottomBannerButton.setOnClickListener(new View.OnClickListener() {   @Override   public void onClick(View v) {         // Remove content from the banner view:         bottomBannerView.removeAllViews();         // Remove the banner variables:         bottomBannerView = null;         bottomBanner = null;         showBottomBannerButton.setEnabled(true);     }   }); }   public void LoadBannerAd(BannerView bannerView, RelativeLayout bannerLayout) {     // Request a banner ad:     bannerView.load();     // Associate the banner view object with the banner view:     bannerLayout.addView(bannerView);   }   @Override   public void onInitializationComplete() {     // Enable the show ad buttons because ads can now be loaded     showTopBannerButton.setEnabled(true);     showBottomBannerButton.setEnabled(true);   }   @Override   public void onInitializationFailed(UnityAds.UnityAdsInitializationError error, String message) {   } }