リサイクラービューに表示した画像を押すと画像名をToastで表示させたい

Question

リサイクラービューに表示した画像を押すと画像名をToastで表示させたいのですが、
onCreateViewHolderでview.setOnClickListener(ImageClickListener())を追加すると
Constructor of inner class ImageClickListener can be called only with receiver of containing class
とのエラーが発生してしまいます。
包含クラスのレシーバーでのみ呼び出すことができるとはどういうことなのでしょうか。

import android.os.Bundle
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageView
import android.widget.TextView
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import androidx.recyclerview.widget.GridLayoutManager
import androidx.recyclerview.widget.RecyclerView
import kotlinx.android.synthetic.main.row.*


class MainActivity : AppCompatActivity() {

            lateinit var gAdapter: GazouAdapter
            lateinit var gGazouList: ArrayList<Gazou>

            override fun onCreate(savedInstanceState: Bundle?) {
                Log.i("GazouAdapter", "onCreate")
                super.onCreate(savedInstanceState)
                setContentView(R.layout.activity_main)

                val map = Gazou("地図",  R.drawable.map_2)
                val money = Gazou("お金",  R.drawable.money_2)
                val noimage = Gazou("ノーイメージ",  R.drawable.noimage_2)
                val refresh = Gazou("リフレッシュ",  R.drawable.refresh_2)
                val time = Gazou("時間",  R.drawable.time_2)
                val train = Gazou("電車",  R.drawable.train_2)
                val img1 = Gazou("画像1",R.drawable.img_1)
                val map3 = Gazou("画像3",R.drawable.map_3)
                gGazouList = arrayListOf(map, money, noimage, refresh, time, train, img1, map3)

                val recyclerView = findViewById<RecyclerView>(R.id.lvGazou)

                val layoutManager = GridLayoutManager(this,2)
                recyclerView.layoutManager = layoutManager

                gAdapter = GazouAdapter(gGazouList)
                recyclerView.adapter = gAdapter

    }
    private inner class ImageClickListener : View.OnClickListener {
        override fun onClick(view: View) {
            Log.i("GazouAdapter", "onClick")
            val tvGazouName = view.findViewById<TextView>(R.id.tvGazouName)

            val gazouName = tvGazouName.text.toString()
            Toast.makeText(applicationContext, gazouName, Toast.LENGTH_SHORT).show()
        }
    }
    class GazouAdapter(private val gazouList: ArrayList<Gazou>): RecyclerView.Adapter<GazouAdapter.ViewHolder>() {
        class ViewHolder(view: View) : RecyclerView.ViewHolder(view) {

            val lvGazouView: ImageView = view.findViewById(R.id.lvGazouView)
            val tvGazouName: TextView = view.findViewById(R.id.tvGazouName)
        }
        override fun onCreateViewHolder(viewGroup: ViewGroup, viewType: Int): ViewHolder {
            val view = LayoutInflater.from(viewGroup.context).inflate(R.layout.row, viewGroup, false)
            Log.i("GazouAdapter", "onCreateViewHolder")
            //view.setOnClickListener(ItemClickListener())

            view.setOnClickListener(ImageClickListener())

            return ViewHolder(view)
        }
        override fun onBindViewHolder(viewHolder: ViewHolder, position: Int) {
            Log.i("GazouAdapter", "onBindViewHolder")
            val gazou = gazouList[position]

            viewHolder.lvGazouView.setImageResource(gazou.imageId)
            viewHolder.tvGazouName.text = gazou.name
        }
        override fun getItemCount() = gazouList.size
    }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/container"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <ImageButton
        android:id="@+id/lvGazouView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        />

    <TextView
        android:id="@+id/tvGazouName"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="10dp"
        android:layout_marginTop="10dp"
        android:textSize="18sp" />



</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent">



    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/lvGazou"
        android:scrollbars="vertical"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        />

</LinearLayout>

E/AndroidRuntime: FATAL EXCEPTION: main
    Process: jp.co.stv_tech.test2112, PID: 623
    java.lang.RuntimeException: Unable to start activity ComponentInfo{jp.co.stv_tech.test2112/jp.co.stv_tech.test2112.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ImageView.setOnClickListener(android.view.View$OnClickListener)' on a null object reference
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2913)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048)
        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808)
        at android.os.Handler.dispatchMessage(Handler.java:106)
        at android.os.Looper.loop(Looper.java:193)
        at android.app.ActivityThread.main(ActivityThread.java:6669)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
     Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ImageView.setOnClickListener(android.view.View$OnClickListener)' on a null object reference
        at jp.co.stv_tech.test2112.MainActivity.onCreate(MainActivity.kt:44)
        at android.app.Activity.performCreate(Activity.java:7136)
        at android.app.Activity.performCreate(Activity.java:7127)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1271)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2893)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048) 
        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78) 
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108) 
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808) 
        at android.os.Handler.dispatchMessage(Handler.java:106) 
        at android.os.Looper.loop(Looper.java:193) 
        at android.app.ActivityThread.main(ActivityThread.java:6669) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858) 

Answer 1

class GazouAdapter(private val gazouList: ArrayList<Gazou>): RecyclerView.Adapter<GazouAdapter.ViewHolder>() {
            class ViewHolder(view: View) : RecyclerView.ViewHolder(view) {

private inner class GazouAdapter(private val gazouList: ArrayList<Gazou>): RecyclerView.Adapter<GazouAdapter.ViewHolder>() {
            inner class ViewHolder(view: View) : RecyclerView.ViewHolder(view) {

innerをつけることで解決しました