Android DataBinding Gradle Setting for Kotlin

build.gradle

// build.gradle of 'app' module.
apply plugin: 'kotlin-android'                       
apply plugin: 'kotlin-kapt' // Add this line.
android {
    ...
    dataBinding {
        enabled = true
    }
}
dependencies {
    ...
    kapt 'com.android.databinding:compiler:2.3.1' // Add this line.
}