import com.vpon.ads.*;

public class MainActivity extends AppCompatActivity {
    private FrameLayout adContainer;
    private VponNativeAd vponNativeAd;
    private String nativeAdId = "License Key";
    // nativeAdId: Vpon License Key to get ad, please replace with your own one
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        adContainer = findViewById(R.id.ad_container); 

        vponNativeAd = new VponNativeAd(this, nativeAdId);
        VponAdLoader vponAdLoader = new VponAdLoader.Builder().build();

        VponAdRequest.Builder builder = new VponAdRequest.Builder();
        builder.addTestDevice("your device advertising id");
        // Set your test device's GAID here if you're trying to get Vpon test ad
        vponAdLoader.loadAd(builder.build());
        // Set ad request and load ad
    }
}

import com.vpon.ads.*;

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {

        LayoutInflater.from(this).inflate(R.layout.layout_native_ad_template, adContainer, true);
        // Inflate your custom ad layout

        vponAdLoader.forNativeAd(new VponNativeAd.OnNativeAdLoadedListener() {
            @Override
            public void onNativeAdLoaded(VponNativeAd nativeAd) {
                setNativeAdDatas(nativeAd, adContainer);
                // Set ad datas to your custom ad layout
                //TODO set native ad datas to view, registerViewForInteraction
                //TODO VpadnNativeAd.Rating is change to VponNativeAd.NativeAdData.Rating
                //TODO VponMediaView.setNativeAd(vponNativeAd, localNativeAdData)
            }
        });

        VponAdRequest.Builder builder = new VponAdRequest.Builder();
        vponAdLoader.loadAd(builder.build());
        // Set ad request and load ad
    }
    
    private void setNativeAdDatas(VponNativeAd nativeAd, View adContainer) {
        ImageView nativeAdIcon = adContainer.findViewById(R.id.ad_app_icon);
        TextView nativeAdTitle = adContainer.findViewById(R.id.ad_headline);
        TextView nativeAdBody = adContainer.findViewById(R.id.ad_body);
        TextView nativeAdLabel = adContainer.findViewById(R.id.ad_label);
        VponMediaView nativeMediaView = adContainer.findViewById(R.id.ad_media_view);
        Button nativeAdCallToAction = adContainer.findViewById(R.id.ad_call_to_action);

        VponAdLoader.downloadAndDisplayImage(nativeAd.getIcon(), nativeAdIcon);
        // Use VponNativeAd.downloadAndDisplayImage to display icon in your custom ad layout

        nativeAdTitle.setText(nativeAd.getTitle());
        if (nativeAd.getBody() != null) {
            nativeAdBody.setText(nativeAd.getBody());
        } else {
            nativeAdBody.setVisibility(View.INVISIBLE);
        }
        if (nativeAd.getAdLabel() != null) {
            nativeAdLabel.setText(nativeAd.getAdLabel());
        } else {
            nativeAdLabel.setVisibility(View.INVISIBLE);
        }

        nativeMediaView.setNativeAd(nativeAd);

        if (nativeAd.getCallToAction() != null) {
            nativeAdCallToAction.setText(nativeAd.getCallToAction());
        } else {
            nativeAdCallToAction.setVisibility(View.INVISIBLE);
        }

        vponNativeAd.registerViewForInteraction(adContainer);
        // Register your view for click interaction
    }
}

vponNativeAd.setAdListener(new VponAdListener() {

    @Override
    public void onAdLoaded() {
        // Invoked if receive ad successfully
    }
    
    @Override
    public void onAdFailedToLoad(int errorCode) {
        // Invoked if received ad fail, check this callback to indicates what type of failure occurred
    }

    @Override
    public void onAdOpened() {
        // Invoked if the ad was clicked
    }

    @Override
    public void onAdLeftApplication() {
        // Invoked if user leave the app and the current app was backgrounded
    }

});

@Override
protected void onDestroy() {
    super.onDestroy();
    if (vponNativeAd != null) {
        vponNativeAd.destroy();
        vponNativeAd = null;
    }
}