Android image place holder

adapter.java

        RelativeLayout.LayoutParams rlp = (RelativeLayout.LayoutParams) holder.image.getLayoutParams();
        float ratio = item.getHeight() / item.getWidth();
        rlp.height = (int) (rlp.width * ratio);
        holder.image.setLayoutParams(rlp);
        Picasso.with(holder.image.getContext()).load(item.getPic()).into(holder.image);
        holder.text.setText(item.getName());
        holder.itemView.setTag(item);