Note: This version of the codelab requires Android Studio 3.6 or higher.

To work through this codelab, you will need a computer that can run Android Studio 3.6 or higher (or already has Android Studio 3.6 or higher installed). Based on JetBrains' IntelliJ IDEA software, Android Studio is an IDE designed specifically for Android development. You write Android apps in Kotlin or in the Java programming language using an IDE called Android Studio.

Use Android Studio and Kotlin to write Android apps

How to display a second screen when a button is pressed.

How to run your app on a device or in the emulator.

How to use Android Studio to build your app.

If you are an experienced programmer and adept at reading code, you will likely be able to follow this codelab, even if you don't have much experience with Kotlin.

This codelab is written for programmers and assumes that you know either the Java or Kotlin programming language. Kotlin is an officially supported language for developing Android apps, along with Java. (If you're looking for the Java version of this codelab, you can go here.) Kotlin is a statically typed programming language that runs on the JVM and is completely interoperable with the Java programming language. In this codelab, you'll learn how to build and run your first Android app in the Kotlin programming language.

Kotlin for ios development