ACTIVITY_MAIN.XML:
<?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"
 android:padding="20dp">
 <EditText
 android:id="@+id/eTxt"
 android:layout_width="match_parent"
 android:layout_height="wrap_content"
 app:layout_constraintBottom_toTopOf="@+id/btn_click"
 android:hint="Type Here"
 android:layout_margin="20dp"
 android:textSize="20sp"
 android:textColor="@color/purple_500"
 />
 <Button
 android:id="@+id/btn_click"
 android:layout_width="match_parent"
 android:layout_height="wrap_content"
 android:text="Click Here"
 android:textSize="20sp"
 android:textColor="#fff"
 android:layout_margin="20dp"
 android:background="@color/black"
 app:layout_constraintBottom_toBottomOf="parent"
 app:layout_constraintLeft_toLeftOf="parent"
 app:layout_constraintRight_toRightOf="parent"
 app:layout_constraintTop_toTopOf="parent"
 />
 <TextView
 android:id="@+id/tvShow"
 android:layout_width="match_parent"
 android:layout_height="wrap_content"
 android:layout_margin="20dp"
 app:layout_constraintTop_toBottomOf="@+id/btn_click"
 android:textSize="20sp"
 android:textStyle="bold"
 android:text="Show"
 android:textColor="#FF5722"
 />
</androidx.constraintlayout.widget.ConstraintLayout>
MAINACTIVITY.kt
package com.example.my_viewbinding
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.Button
import android.widget.EditText
import android.widget.TextView
import com.example.my_viewbinding.databinding.ActivityMainBinding
class MainActivity : AppCompatActivity() {
 override fun onCreate(savedInstanceState: Bundle?) {
 super.onCreate(savedInstanceState)
 //setContentView(R.layout.activity_main)
 var binding = ActivityMainBinding.inflate(layoutInflater)
 val view = binding.root
 setContentView(view)
 // var btn1 : Button = findViewById(R.id.btn_click)
 // btn1.setOnClickListener(){
 //var etxt1 : EditText = findViewById(R.id.eTxt)
 //var tv1: TextView = findViewById(R.id.tvShow)
 // var msg: String= etxt1.text.toString()
 //tv1.text=msg
 //}
 binding.btnClick.setOnClickListener(){
 binding.tvShow.setText(binding.eTxt.text)
 }
 }
}
NOTE:
build.gradle:
plugins {
 id 'com.android.application'
 id 'org.jetbrains.kotlin.android'
}
android {
 namespace 'com.example.my_viewbinding'
 compileSdk 33
 defaultConfig {
 applicationId "com.example.my_viewbinding"
 minSdk 24
 targetSdk 33
 versionCode 1
 versionName "1.0"
 testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 }
 viewBinding{
 enabled true
 }
 [OR]
buildFeatures {
 viewBinding = true
}
 buildTypes {
 release {
 minifyEnabled false
 proguardFiles 
getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
 }
 }
 compileOptions {
 sourceCompatibility JavaVersion.VERSION_1_8
 targetCompatibility JavaVersion.VERSION_1_8
 }
 kotlinOptions {
 jvmTarget = '1.8'
 }
}
dependencies {
 implementation 'androidx.core:core-ktx:1.7.0'
 implementation 'androidx.appcompat:appcompat:1.6.1'
 implementation 'com.google.android.material:material:1.9.0'
 implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
 testImplementation 'junit:junit:4.13.2'
 androidTestImplementation 'androidx.test.ext:junit:1.1.5'
 androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
}
OUTPUT: