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.

Now, Part 3 will take you through the steps to build and run the app in an Android device emulator or live device. We’ll first use Gradle to build the app’s application package (APK) file.

Building an app just got a lot easier thanks to Google's release of Android Studio 2.0.

Google makes building apps easier with Android Studio 2.0 "Developing on the official Android Emulator is faster than a real device." ...

This new terminal app provides a full-blown Linux development environment that allows developers to leverage the tools they need to build native apps. That includes Android Studio.

These enhancements collectively underscore Android Studio’s commitment to providing developers with powerful tools, making the app development journey more intuitive, efficient, and feature-rich.