code: private void renderThumbnail(Video video) {
      Picasso.with(getContext()).cancelRequest(thumbnail);
      Picasso.with(getContext())
          .load(video.getThumbnail())
          .placeholder(R.drawable.placeholder)
          .into(thumbnail);
    }
docs: Use picasso to render the video thumbnail into the thumbnail widget using a temporal
  placeholder.
  
  @param video to get the rendered thumbnail.