Installing the Kotlin Plugin in Android Studio The very first thing you need to do is add Kotlin support to your Android Studio installation. Click on Configure icon, and then select Plugins from dropdown: Click the Install JetBrains plugins button: In the opened dialog, search for Kotlin, select the corresponding plugin and press Install: When you’re finished with downloading and installing, the next step is following the prompts to restart the IDE Configuring Your Project to Use Kotlin Now the IDE knows what to do with Kotlin, but you’ll still need to configure Kotlin every time you want to use it in a new project. Let’s create a new project and configure that project to use Kotlin now. so your next move is to modify the project’s build configuration. Go to Tools\Kotlin\Configure Kotlin in Project. Select Android with Gradle from the Choose Configurator popup that appears. On the Configure Kotlin in Project...