title: I need some references about the leanback of android tv
body: <p>here's the deal .... i'm working on the leanback of android tv ,i need to place an icon in the left side of my card the problem is the app  only use the  style from the leanback theme,the xml only accept 16 dp  , and if i try to change that the file auto delete this sooo my question is , there is a way to make change on those files? because i need something like this:</p>
  
  <p><img src="https://i.stack.imgur.com/XI0RZ.jpg" alt="image"> </p>
  
  <p>here is my code:</p>
  
  <pre><code>public void onBindViewHolder(ViewHolder viewHolder, Object item) {
  
      LiveTv card = (LiveTv) item;
  
      final ImageCardView cardView = (ImageCardView) viewHolder.view;
  
  
      if (card.getCardImageURI() != null) {
          if(card.getTipo()==0){
              cardView.setMainImageDimensions(CARD_WIDTH,CARD_HEIGHT);
              cardView.setTitleText(card.getNombre());
              Glide.with(viewHolder.view.getContext()).load(card.getCardImageUrl()).error(mDefaultCardImage).into(cardView.getMainImageView());
  
  
          }else {
              Glide.with(viewHolder.view.getContext()).load(card.getLogo()).asBitmap().into(new SimpleTarget&lt;Bitmap&gt;(CARD_WIDTH,CARD_HEIGHT) {
                  @Override
                  public void onResourceReady(Bitmap resource, GlideAnimation&lt;? super Bitmap&gt; glideAnimation) {
                      Drawable drawable = new BitmapDrawable(resource);
  
                      cardView.setBadgeImage(drawable);
  
                  }
              });
  
              cardView.setMainImageDimensions(CARD_WIDTH, CARD_HEIGHT);
              cardView.setTitleText(card.getChannel() + "   " + card.getNombre());
              cardView.setContentText(card.getTsStart() + " " + card.getTsEnded());
              Glide.with(viewHolder.view.getContext()).load(card.getCardImageUrl()).centerCrop().error(mDefaultCardImage).into(cardView.getMainImageView());
          }
      }
  }
  </code></pre>