RecyclerViewListAdapterExample.kt

class PagesHomeAdapter @Inject constructor() :
    ListAdapter<PageHome, PagesHomeAdapter.PageHomeItemHolder>(DiffCallback) {

    var onItemClick: ((Int) -> Unit)? = null

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): PageHomeItemHolder {
        val view =
            LayoutInflater.from(parent.context).inflate(R.layout.page_home_list_item, parent, false)
        return PageHomeItemHolder(view)
    }

    override fun onBindViewHolder(holder: PageHomeItemHolder, position: Int) {
        holder.onBind(getItem(position))
    }


    inner class PageHomeItemHolder(itemView: View) : BaseViewHolder<PageHome>(itemView) {
        private val banner: SimpleDraweeView = itemView.dv_banner
        override fun onBind(obj: PageHome) {
            banner.setImageURI(obj.image)
        }

        init {
            itemView.setOnClickListener {
                onItemClick?.invoke(adapterPosition)
            }
        }
    }
}

object DiffCallback : DiffUtil.ItemCallback<PageHome>() {
    override fun areItemsTheSame(oldItem: PageHome, newItem: PageHome): Boolean {
        return oldItem.image == newItem.image
    }

    override fun areContentsTheSame(oldItem: PageHome, newItem: PageHome): Boolean {
        return oldItem == newItem
    }
}