【ANDROID STUDIO】Recycleview bind

 package com.example.recycleview

import android.graphics.Color
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.Toast
import androidx.recyclerview.widget.LinearLayoutManager
import kotlinx.android.synthetic.main.activity_main.*

class MainActivity : AppCompatActivity() {

    val fruitsList = listOf(Fruit("Mango","Tom"), Fruit("Apple","Joe"),Fruit("Banana","Mark") , Fruit("Guava","Mike"),Fruit("Lemon","Mike"),Fruit("Pear","Frank"),Fruit("Orange","Joe"))
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        my_recycler_view.setBackgroundColor(Color.YELLOW)
        my_recycler_view.layoutManager = LinearLayoutManager(this)
        my_recycler_view.adapter = MyRecyclerViewAdapter(fruitsList, { selectedFruitItem: Fruit -> listItemClicked(selectedFruitItem) })
    }

    private fun listItemClicked(fruit: Fruit) {
        Toast.makeText(this@MainActivity,
                "Supplier name is ${fruit.supplier}", Toast.LENGTH_LONG).show()
    }

}

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <androidx.recyclerview.widget.RecyclerView android:id="@+id/my_recycler_view"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_marginStart="1dp"
        android:layout_marginTop="1dp"
        android:layout_marginEnd="1dp"
        android:layout_marginBottom="1dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>

package com.example.recycleview

import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.recyclerview.widget.RecyclerView
import kotlinx.android.synthetic.main.list_item.view.*

class MyRecyclerViewAdapter(private val fruitsList:List<Fruit>, private val clickListener:(Fruit)->Unit) : RecyclerView.Adapter<MyViewHolder>() {


    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MyViewHolder {
        val layoutInflater = LayoutInflater.from(parent.context)
        val listItem = layoutInflater.inflate(R.layout.list_item, parent, false)
        return MyViewHolder(listItem)
    }

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

    override fun onBindViewHolder(holder: MyViewHolder, position: Int) {
        holder.bind(fruitsList[position], clickListener)
    }
}
class MyViewHolder(val view : View) : RecyclerView.ViewHolder(view) {

    fun bind(fruit: Fruit, clickListener: (Fruit) -> Unit) {
        view.name_text_view.text = fruit.name
        view.setOnClickListener {
            clickListener(fruit)
        }

    }
}
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/linearLayout"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_margin="30dp"
    android:background="@color/colorPrimary"
    android:orientation="vertical">

    <TextView android:id="@+id/name_text_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="20dp"
        android:layout_marginStart="133dp"
        android:layout_marginTop="63dp"
        android:text="TextView"
        android:textColor="@android:color/background_light"
        android:textSize="30sp"
        android:textStyle="bold"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        android:layout_marginLeft="133dp" />

</androidx.constraintlayout.widget.ConstraintLayout>
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <androidx.recyclerview.widget.RecyclerView android:id="@+id/my_recycler_view"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_marginStart="1dp"
        android:layout_marginTop="1dp"
        android:layout_marginEnd="1dp"
        android:layout_marginBottom="1dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>
package com.example.recycleview

data class Fruit(val name:String,val supplier:String)