@Override
 public void onBindViewHolder(ViewHolder holder, int position) {
   Iconify.IconValue iconValue = Iconify.IconValue.values()[position];
   holder.iconView.setImageDrawable(
       new IconDrawable(holder.iconView.getContext(), iconValue)
           .sizeRes(R.dimen.icon_size)
           .colorRes(R.color.primary_dark_material_light));
   holder.nameView.setText(iconValue.name());
 }
 @Override
 public int getItemCount() {
   return Iconify.IconValue.values().length;
 }