ParentItemsViewHolder.kt

class ParentItemsViewHolder(inflater: LayoutInflater, parent: ViewGroup, itemListener: ItemListener) :
    RecyclerView.ViewHolder(inflater.inflate(R.layout.card_parent_item, parent, false)) {

    private var itemListener: ItemListener? = null
    private var cardTitle: TextView? = null
    private var recyclerItem: RecyclerView? = null

    init {
        cardTitle = itemView.findViewById(R.id.app_title)
        recyclerItem = itemView.findViewById(R.id.id_card_child_items)
        this.itemListener = itemListener
    }

    fun bind(card: ParentItemModel) {
        cardTitle?.setText("App: ${card.app_package}")

        recyclerItem?.apply {
            layoutManager = LinearLayoutManager(context)
            val itemDecoration = DividerItemDecoration(context, LinearLayoutManager.VERTICAL)
            itemDecoration.setDrawable(context.getDrawable(R.drawable.divider_thin)!!)
            addItemDecoration(itemDecoration)
            adapter = ChildItemsAdapter(card.errors, itemListener!!)
        }
    }
}