Android Data Binding and Kotlin

Question

I am converting my Android application from Java to Kotlin. It is working fine, except when I try to convert a file that is using Android Data Binding Library. In that case, Android Studio complains at compile time about unresolved reference:

Error:(10, 44) Unresolved reference: AdapterHistoriesListBinding

Where AdapterHistoriesListBinding is the name of a file that should be generated by the Data Binding Library. It was working correctly in Java, so I guess it is an issue with Kotlin.

I am using Android Studio 2.0.0-beta6, Android Gradle Plugin 2.0.0-beta6 and Kotlin 1.0. Is there something to do to make the Data Binding Library work with Kotlin?

Artem Ufimtcev · Accepted Answer · 2016-03-24 08:20:00Z

20

Few steps to setup databinding in your Kotlin project.

Tell kapt to use databinding compiler in module dependencies:

dependencies {
  kapt 'com.android.databinding:compiler:2.0.0-beta6'
}

As Shintaro Katafuchi mentioned, you should tell kapt to generate stubs.
```
kapt {
  generateStubs = true
}
```

answered Mar 24, 2016 at 8:20

Artem Ufimtcev

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Shintaro Katafuchi · Accepted Answer · 2016-03-05 18:49:49Z

2

Have you tried adding following setting in your build.gradle?

kapt {
    generateStubs = true
}

answered Mar 5, 2016 at 18:49

Shintaro Katafuchi

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1 Comment

Gaëtan Over a year ago

I just tried adding that in my module's build.gradle (outside the android block), cleaned my project, but the result is the same.

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