RealmRecyclerViewAdapter example in kotlin using Realm Results and autoUpdate property

kotlin_realm_rv_adapter_auto_update_demo.kt

class HomeListAdapter(val context: Context, contactBeans: RealmResults<ContactBean>?, val realmInstance: Realm, autoUpdate: Boolean)
    : RealmRecyclerViewAdapter<ContactBean, HomeListAdapter.ViewHolder>(contactBeans, autoUpdate) {

    val TAG = HomeListAdapter::class.simpleName

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

    override fun onBindViewHolder(holder: ViewHolder, position: Int) {

    }

    override fun getItemCount(): Int {
        return if (data == null) 0 else data!!.size
    }

    class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView)
}

Please, change the name of file to
kotlin_realm_rv_adapter_auto_update_demo.kt

to let GitHub highlight the kotlin syntax