To get started with Kotlin, download the Android Studio 3.0 preview, open one of your existing Java files, and then choose “Convert Java File to Kotlin File” in the Code menu.

That’s important because if you want to target Android O, create an Instant App, start developing with Kotlin, or use the latest Android app performance tools, you’ll need Android Studio 3.0.

So it looks like Android development with Kotlin might be better left to Google's default IDE, Android Studio. Luckily, there are plenty of resources to consult for Kotlin programming with that tool.

Google's Android Studio 3.0 dev environment has just become available in the stable channel, with built-in support for Kotlin and Java 8.

Google has been using Kotlin for Android apps since 2017 and the pair have jointly supported the Kotlin language through the Kotlin Foundation since 2018. In 2019, Google's Android team adopted ...

To learn Kotlin for Android development, you’ll first need to download Android Studio and set everything up. See also: How to install Android Studio and start your very first project ...