override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
  if (type == 1) {
    return ViewHolder(LayoutInflater.from(parent.context).inflate(R.layout.item_layout_1, parent, false))
  } else if (type == 2) {
    return ViewHolder(LayoutInflater.from(parent.context).inflate(R.layout.item_layout_2, parent, false))
  } else {
    return ViewHolder(LayoutInflater.from(parent.context).inflate(R.layout.item_layout_3, parent, false))
  }
}