I'm having some trouble trying to activate kotlin in an Android project. My environment:

Android Studio 2.3.2
Gradle 3.3
Kotlin 1.1.2-3
Build Tools: 25.0.0
Dagger 2.1
Retrolambda 3.6.0
Databinding 2.3.2

mattinger: Paste your full build.gradle, you might be missing something