NormalAdapter.kt

class NormalAdapter(
    private val onNormalListener: OnNormalListener
) : ListAdapter<NormalUiModel, BindViewHolder<NormalUiModel>>(
    object : DiffUtil.ItemCallback<NormalUiModel>() {
        override fun areItemsTheSame(oldItem: NormalUiModel, newItem: NormalUiModel) =
            oldItem.id == newItem.id

        override fun areContentsTheSame(oldItem: NormalUiModel, newItem: NormalUiModel) =
            oldItem == newItem
    }
) {

    override fun getItemViewType(position: Int): Int {
        return getItem(position).type.ordinal
    }

    override fun onCreateViewHolder(
        parent: ViewGroup, viewType: Int
    ): BindViewHolder<NormalUiModel> {
        return when (NormalUiModel.Type.values()[viewType]) {
            NormalUiModel.Type.MONITOR -> NormalMonitorViewHolder(
                ItemNormalMonitorBinding.inflate(
                    LayoutInflater.from(parent.context), parent, false
                ), onNormalListener
            )
            NormalUiModel.Type.MOUSE -> NormalMouseViewHolder(
                ItemNormalMouseBinding.inflate(
                    LayoutInflater.from(parent.context), parent, false
                ), onNormalListener
            )
            NormalUiModel.Type.PHONE -> NormalPhoneViewHolder(
                ItemNormalPhoneBinding.inflate(
                    LayoutInflater.from(parent.context), parent, false
                ), onNormalListener
            )
        }
    }

    override fun onBindViewHolder(holder: BindViewHolder<NormalUiModel>, position: Int) {
        holder.bind(getItem(position))
    }
}

NormalViewHolder.kt

class NormalMonitorViewHolder(
    private val binding: ItemNormalMonitorBinding, onNormalListener: OnNormalListener
) : BindViewHolder<NormalUiModel>(binding.root) {

    init {
        binding.onNormalListener = onNormalListener
    }

    override fun bind(item: NormalUiModel) {
        if (item !is NormalUiModel.Monitor) return
        binding.item = item
    }
}

class NormalMouseViewHolder(
    private val binding: ItemNormalMouseBinding, onNormalListener: OnNormalListener
) : BindViewHolder<NormalUiModel>(binding.root) {

    init {
        binding.onNormalListener = onNormalListener
    }

    override fun bind(item: NormalUiModel) {
        if (item !is NormalUiModel.Mouse) return
        binding.item = item
    }
}

class NormalPhoneViewHolder(
    private val binding: ItemNormalPhoneBinding, onNormalListener: OnNormalListener
) : BindViewHolder<NormalUiModel>(binding.root) {

    init {
        binding.onNormalListener = onNormalListener
    }

    override fun bind(item: NormalUiModel) {
        if (item !is NormalUiModel.Phone) return
        binding.item = item
    }
}