In this tutorial we go through the steps needed to build your first Android app. You will create a simple UI, add some Java code, and then run your app.

However, it is very difficult to develop a calculator that can display accurate answers, and as an example, engineer Chad Nauseam explains how the 'Calculator' app installed on Android was developed.

Google has released the stable build of Android Studio 4.0, its newest official integrated development environment (IDE) for building Android apps on Windows, Mac, Linux and Chrome OS.

Google project would elevate Android Studio from app development to a full suite for Android OS development by OEMs and ROM developers.

Android Studio 4.0 has released today, and it's a massive update with a variety of new designing and building tools for developers.