Get RecyclerView onItemClick to parent activity. Android

onItemClickListener.kt

package com.reactivespace.tylsinmcwalet.ui

import android.text.TextUtils
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageView
import android.widget.TextView
import androidx.constraintlayout.widget.ConstraintLayout
import androidx.recyclerview.widget.RecyclerView
import com.bumptech.glide.Glide
import com.reactivespace.tylsinmcwalet.R
import com.reactivespace.tylsinmcwalet.data.models.CoinDetail
import kotlinx.android.synthetic.main.activity_chat.view.*
import kotlinx.android.synthetic.main.activity_chat.view.textViewTitle
import kotlinx.android.synthetic.main.cardview_addwallet.view.*
import java.util.*

class WalletsListAdapter(var list: ArrayList<CoinDetail>) : RecyclerView.Adapter<WalletsListAdapter.WalletsItemViewHolder>() {
    lateinit var view: View
    private var onItemClickListener: ((CoinDetail?) -> Unit)? = null


    //todo  we have onitemclick listner here to get it in parent activity.
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): WalletsItemViewHolder {
        view = LayoutInflater.from(parent.context).inflate(R.layout.cardview_addwallet, parent, false)
        return WalletsItemViewHolder(view)
    }

    override fun getItemCount(): Int {
        return list.size
    }

    override fun onBindViewHolder(holder: WalletsItemViewHolder, position: Int) {
        val go = list[position]

        /* holder.cardV.setOnClickListener {
            if (go.isAccountStatus) {
                go.isAccountStatus = false
                holder.imageViewSelection.setImageResource(R.drawable.addunselect)
            } else {
                go.isAccountStatus = true
                holder.imageViewSelection.setImageResource(R.drawable.ic_tick)
            }

        } */

        holder.bind(list[position], onItemClickListener)
    }

    fun getAllCoins() = list

    class WalletsItemViewHolder(view: View) : RecyclerView.ViewHolder(view) {
      fun bind(memberModel: CoinDetail, onItemClickListener: ((memberModel: CoinDetail) -> Unit)?) {
            itemView.textViewTitle.text = memberModel.name
            itemView.textViewSubTitle.text = memberModel.symbol
            itemView.setOnClickListener { onItemClickListener?.invoke(memberModel) }
        }

    }

    fun setOnItemClickListener(onItemClickListener: ((CoinDetail?) -> Unit)?) {
        this.onItemClickListener = onItemClickListener
    }

}