<!-- your_activity_layout.xml -->

...생략...

<!-- FeedFragment 추가 -->
<fragment
    android:id="@+id/feed_fragment"
    android:name="com.buzzvil.buzzad.benefit.presentation.feed.FeedFragment"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

...생략...
class YourActivity extends Actvity {
  private FeedHandler feedHandler;

  @Override
  public void onCreate() {
    super.onCreate();
    ...생략...
    
    // 광고를 새로 받기 위해 필요한 부분입니다.
    feedHandler = new FeedHandler(context, "YOUR_FEED_UNIT_ID");
    
    // FeedFragment 초기화
    final FeedFragment feedFragment = (FeedFragment) getSupportFragmentManager().findFragmentById(R.id.feed_fragment);
    if (feedFragment != null) {
      feedFragment.init(context, "YOUR_FEED_UNIT_ID");
    }
  }

  ...생략...
}

final FeedConfig feedConfig = new FeedConfig.Builder(context, "YOUR_FEED_UNIT_ID")
      .feedHeaderViewAdapterClass(DefaultFeedHeaderViewAdapter.class)
      .build();

final FeedConfig feedConfig = new FeedConfig.Builder(context, "YOUR_FEED_UNIT_ID")
    .tabUiEnabled(false) // 탭 비활성화
    .build();

final FeedConfig feedConfig = new FeedConfig.Builder(context, "YOUR_FEED_UNIT_ID")
    .tabUiEnabled(true) // 탭이 비활성화되면 필터도 비활성화 됩니다.
    .filterUiEnabled(false)  // 필터 비활성화
    .build();

public class YourCPSAdsAdapter extends AdsAdapter<AdsAdapter.NativeAdViewHolder> {

    @Override
    public NativeAdViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        final LayoutInflater inflater = LayoutInflater.from(parent.getContext());
        final NativeAdView feedNativeAdView = (NativeAdView) inflater.inflate(R.layout.your_feed_ad_cps, parent, false);
        return new NativeAdViewHolder(feedNativeAdView);
    }

    @Override
    public void onBindViewHolder(NativeAdViewHolder holder, NativeAd nativeAd) {
        super.onBindViewHolder(holder, nativeAd);
        
        final NativeAdView view = (NativeAdView) holder.itemView;
        final Ad ad = nativeAd.getAd();
        
        // create ad component
        // ...생략...
        final TextView priceText = view.findViewById(R.id.discountedPriceText);
        final TextView originalPriceText = view.findViewById(R.id.originalPriceText);
        final TextView discountPercentageText = view.findViewById(R.id.discountPercentageText);
        final TextView categoryText = view.findViewById(R.id.categoryText);

        // data binding 
        // ...생략...
        final Product product = ad.getProduct();
        if (product != null) {
            if (product.getDiscountedPrice() != null) {
                // 할인이 있는 쇼핑 광고
                originalPriceText.setPaintFlags(originalPriceText.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
                int percentage = 0;
                if (product.getPrice() > product.getDiscountedPrice()) {
                    percentage = Math.round(((product.getPrice() - product.getDiscountedPrice()) / product.getPrice() * 100));
                }
                if (percentage > 0) {
                    priceText.setText(getCommaSeparatedPrice(product.getDiscountedPrice().longValue()));
                    originalPriceText.setText(getCommaSeparatedPrice((long) product.getPrice()));
                    discountPercentageText.setText(String.format(Locale.ROOT, "%d%%", percentage));
                    discountPercentageText.setVisibility(View.VISIBLE);
                } else {
                    priceText.setText(getCommaSeparatedPrice((long) product.getPrice()));
                    originalPriceText.setText("");
                    discountPercentageText.setVisibility(View.GONE);
                }
            } else {
                // 할인이 없는 쇼핑 광고
                priceText.setText(getCommaSeparatedPrice((long) product.getPrice()));
                originalPriceText.setText("");
                discountPercentageText.setVisibility(View.GONE);
            }
            categoryText.setText(product.getCategory());
            if (!TextUtils.isEmpty(product.getCategory())) {
                categoryText.setVisibility(View.VISIBLE);
            }
        }

        final Collection<View> clickableViews = new ArrayList<>();
        clickableViews.add(ctaView);
        clickableViews.add(mediaView);
        clickableViews.add(descriptionView);
        
        // ...생략...
        
        view.setMediaView(mediaView);
        view.setClickableViews(clickableViews);
        view.setNativeAd(nativeAd);
    }

    private String getCommaSeparatedPrice (long price){
        return String.format(Locale.getDefault(), "₩%,d", price);
    }
}