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September 5, 2019 3.5.0 - - 3.6.0-alpha10

The databinding library is bundled with the Android Gradle plugin. You do not need to declare a dependency on the library, but you must enable it.

To enable data binding, add the dataBinding element to your module's build.gradle file, as shown below:

android {
    dataBinding {
        enabled = true

For more information about data binding, see the guide to the data binding library, and the Android Studio release notes