import com.vpadn.ads.*;

public class MainActivity extends Activity implements VpadnAdListener {
    // Declare VpadnNativeAd instance
    private VpadnNativeAd nativeAd;
    
    // Please fill in with your License Key
    private String licenseKey = "License Key" ;
    
    private LinearLayout native_Ad_Container;
    private LinearLayout nativeAdView;
    ...
}

public class MainActivity extends Activity implements VpadnAdListener {
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        // Set up Native Ad layout
        loadNativeUI();

        nativeAd = new VpadnNativeAd(this, licenseKey, "TW");
        nativeAd.setAdListener(this);
        VpadnAdRequest adRequest = new VpadnAdRequest();
        nativeAd.loadAd(adRequest);
    }
}

public class MainActivity extends Activity implements VpadnAdListener {
    ...
    @Override
        public void onVpadnReceiveAd(VpadnAd ad) {
            if (nativeAd == null || nativeAd != ad) {
                Log.e("Native", "Race condition, load() called again before last ad was displayed");
                return;
            }

            if (ad == nativeAd) {

                nativeAd.unregisterView();
                inflateAd(nativeAd, nativeAdView, this);
                nativeAd.setOnTouchListener(new View.OnTouchListener() {
                    @Override
                    public boolean onTouch(View view, MotionEvent event) {
                        if (event.getAction() == MotionEvent.ACTION_DOWN) {
                            switch (view.getId()) {
                                case R.id.nativeAdCallToAction:
                                    Log.e(LT, "nativeAdCallToAction");
                                    Toast.makeText(getBaseContext(), "nativeAdCallToAction Clicked", Toast.LENGTH_SHORT).show();
                                    break;
                                case R.id.nativeAdImage:
                                    Log.e(LT, "nativeAdImage");
                                    Toast.makeText(getBaseContext(), "nativeAdCallToAction Clicked", Toast.LENGTH_SHORT).show();
                                    break;
                                default:
                                    Log.d(LT, "Other ad component clicked");
                                    Toast.makeText(getBaseContext(), "Other ad component Clicked", Toast.LENGTH_SHORT).show();
                            }
                        }
                        return false;
                    }
                });

                native_Ad_Container.setVisibility(View.VISIBLE);
            }
        }
}

    protected static void inflateAd(VpadnNativeAd nativeAd, View nativeAdView, Activity mContext) {
        //Create native UI using the ad metadata.
        ImageView nativeAdIcon = (ImageView) nativeAdView.findViewById(R.id.nativeAdIcon);
        TextView nativeAdTitle = (TextView) nativeAdView.findViewById(R.id.nativeAdTitle);
        TextView nativeAdBody = (TextView) nativeAdView.findViewById(R.id.nativeAdBody);

        // Original method to use ImageView
        // ImageView nativeAdImage = (ImageView) nativeAdView.findViewById(R.id.nativeAdImage);
        // Or you can use VpadnMediaView as below
        VpadnMediaView nativeAdMedia = (VpadnMediaView) nativeAdView.findViewById(R.id.native_ad_media);

        RatingBar nativeAdStarRating = (RatingBar) nativeAdView.findViewById(R.id.nativeAdStarRating);
        TextView nativeAdSocialContext = (TextView) nativeAdView.findViewById(R.id.nativeAdSocialContext);
        Button nativeAdCallToAction = (Button) nativeAdView.findViewById(R.id.nativeAdCallToAction);

        // Setting the Text
        nativeAdSocialContext.setText(nativeAd.getAdSocialContext());
        nativeAdCallToAction.setText(nativeAd.getAdCallToAction());
        nativeAdTitle.setText(nativeAd.getAdTitle());
        nativeAdBody.setText(nativeAd.getAdBody());
        VpadnNativeAd.Rating rating = nativeAd.getAdStarRating();
        if (rating != null) {
            nativeAdStarRating.setNumStars((int) rating.getScale());
            nativeAdStarRating.setRating((float) rating.getValue());
        } else {
            nativeAdStarRating.setVisibility(View.GONE);
        }

        // Downloading and setting the ad icon.
        VpadnNativeAd.Image adIcon = nativeAd.getAdIcon();
        VpadnNativeAd.downloadAndDisplayImage(adIcon, nativeAdIcon);

        // Downloading and setting the cover image.
        VpadnNativeAd.Image adCoverImage = nativeAd.getAdCoverImage();
        int bannerWidth = adCoverImage.getWidth();
        int bannerHeight = adCoverImage.getHeight();
        WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
        Display display = wm.getDefaultDisplay();
        DisplayMetrics metrics = new DisplayMetrics();
        display.getMetrics(metrics);
        int screenWidth = metrics.widthPixels;

        // If you use nativeAdImage
        // nativeAdImage.setLayoutParams(new LinearLayout.LayoutParams(screenWidth, (int) (((double) screenWidth / (double) bannerWidth) * bannerHeight)));
        // VpadnNativeAd.downloadAndDisplayImage(adCoverImage, nativeAdImage);
        // If you use VpadnMediaView
        nativeAdMedia.setLayoutParams(new LinearLayout.LayoutParams(screenWidth, (int) (((double) screenWidth / (double) bannerWidth) * bannerHeight)));
        nativeAdMedia.setNativedAd(nativeAd);

        ...
      }

public class MainActivity extends Activity implements VpadnAdListener {
    ...
      protected static void inflateAd(VpadnNativeAd nativeAd, View nativeAdView, Activity mContext) {
        ...
        // Make the whole nativeAdContainer clickable
        // nativeAd.registerViewForInteraction(nativeAdView);

        // Specify clickable areas of the natvieAdContainer
        // If you use ImageView
        // nativeAd.registerViewForInteraction(nativeAdView, Arrays.asList(nativeAdCallToAction, nativeAdImage));
        // If you use VpadnMediaView
        nativeAd.registerViewForInteraction(nativeAdView, Arrays.asList(nativeAdCallToAction, nativeAdMedia));
    }
}

public class MainActivity extends Activity implements VpadnAdListener {
    ...
    @Override
    public void onVpadnReceiveAd(VpadnAd ad) {
        ...
        if (ad == nativeAd) {
            nativeAd.unregisterView();
            ...
        }
}

public class MainActivity extends Activity implements VpadnAdListener {
        ...
        VpadnAdRequest adRequest =  new VpadnAdRequest();

        HashSet<String> testDeviceImeiSet = new HashSet<String>();
        // Add Android device advertising id
        testDeviceImeiSet.add("your device advertising id");
        adRequest.setTestDevices(testDeviceImeiSet);

        vponBanner.loadAd(adRequest);
        ...
}

public class MainActivity extends Activity implements VpadnAdListener {
        @Override
        public void onVpadnReceiveAd(VpadnAd ad){
                Log.d("Banner", "VpadnReceiveAd");
        }

        @Override
        public void onVpadnFailedToReceiveAd(VpadnAd ad, VpadnAdRequest.VpadnErrorCode errCode){
                Log.d("Banner", "fail to receive ad (" + errCode + ")");
        }

        @Override
        public void onVpadnPresentScreen(VpadnAd ad){
                Log.d("Banner", "VpadnPresentScreen");
        }

        @Override
        public void onVpadnDismissScreen(VpadnAd ad){
                Log.d("Banner", "vpadnDismissScreen");
        }

        @Override
        public void onVpadnLeaveApplication(VpadnAd ad){
                Log.d("Banner", "VpadnLeaveApplication");
        }
}