ParentItemsAdapter.kt

class ParentItemsAdapter(private val data: List<ParentItemModel>,
                         private var itemListener: ItemListener
) : RecyclerView.Adapter<ParentItemsViewHolder>() {

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ParentItemsViewHolder {
        val inflater = LayoutInflater.from(parent.context)
        return ParentItemsViewHolder(
            inflater,
            parent,
            itemListener
        )
    }

    override fun onBindViewHolder(holder: ParentItemsViewHolder, position: Int) {
        val card: ParentItemModel = data[position]
        holder.bind(card)
    }

    override fun getItemCount() = data.size
}