How to implement back button on ActionBar/Toolbar using Kotlin - Android Studio Tutorial HD

This tutorial is about how to add back button in ActionBar/Toolbar and go to previous activity on pressed. We will create a button in MainActivity to move to NewActivity, and add back button in action bar of New Activity to move to previous activity(NewActivity). Requirements: Kotlin - Android Studio 3.0 and above Source Code: http://devofandroid.blogspot.com/2018/03/add-back-button-to-action-bar-android.html Feel free to comment in case of any problem Our Chanel: https://www.youtube.com/c/MohammadAtif1 Our Websites: https://atifsoftwares.blogspot.com https://devofandroid.blogspot.com Our Apps on PlayStore: https://play.google.com/store/apps/dev?id=6868537621115215530 If u like this video, Like, Comment, Subscribe to support us...