This is a complete tutorial, discussing how to build a simple calculator app for Android. Check it out, and implement some of the recommended improvements.

You'll start with the basics, learning to build basic apps in Android Studio using Kotlin. You'll learn the fundamentals, then discover layouts and views to design the app you want.

In Android Studio for beginners, Part 2, you created your first animated mobile app using Android Studio. Now, Part 3 will take you through the steps to build and run the app in an Android device ...