Cannot find symbol DataBindingComponent on Android Studio 3.2 Canary 16 Kotlin project

Databinding libraries are being refactored as a part of androidx refactoring.

I found the databinding annotation processor dependency link from google's maven repository here.

I've constructed the actual gradle dependency from there.

kapt "androidx.databinding:databinding-compiler:3.2.0-alpha16"

Update As of Android studio 3.2.0-beta01, databinding no longer needs its annotation processor dependency to be declared in the gradle file, since databinding is capable of resolving its dependency.

With the following setup

Android Studio 3.2.1 Build #AI-181.5540.7.32.5056338, built on October 8, 2018 JRE: 1.8.0_152-release-1136-b06 x86_64 JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o macOS 10.13.3

And DataBinding simply enable by having this in my app build.gradle

apply plugin: 'kotlin-kapt'

and then

    dataBinding {
        enabled = true
    }

and also this in my gradle.wrapper properties

android.databinding.enableV2=true

I had the same errors:

could not find the DataBindingComponent class.

I had more than 100 of them. It turned out that those errors were not important and that the true underlying error was not showed by the IDE. Therefore, I increased the number of errors that the Kotlin compiler can display by adding this in build.gradle:

dataBinding {
    enabled = true
}
kapt {
        javacOptions {
            // Increase the max count of errors from annotation processors.
            // Default is 100.
            option("-Xmaxerrs", 500)
        }
    }

An suddenly, right below all those fake errrors, I saw the real one caused by a failed merge conflict resolution 😔