How to setup Data Binding in Android Studio?

Question

The Android Developers Guides for Data Binding has the following code to enable data binding in build.gradle file in app module:

android {
    ...
    buildFeatures {
        dataBinding true
    }
}

But after after adding this code the Build Fails with this error:

error: package androidx.databinding does not exist

Gradle Version : 4.0.1

Language : Kotlin

Compile the project with "--debug and --stacktrace" for more informations — Gabriele Mariotti, Jul 21 '20 at 19:45
Does this answer your question? [databinding does not exist: How to solve it?](https://stackoverflow.com/questions/40440662/databinding-does-not-exist-how-to-solve-it) — because_im_batman, Jul 21 '20 at 20:34

score 3 · Answer 1 · answered Jul 22 '20 at 06:41

Set up with data binding:

inside Build.gradle(:app)

dataBinding {
        enabled = true
    }

Dependencies

implementation 'com.android.databinding:compiler:3.5.1'

Bind your data in xml like this:

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:app="http://schemas.android.com/apk/res-auto">
    
    <data>
        <variable
            name="item"
            type="DataModel" />
    </data>
<androidx.constraintlayout.widget.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"
    android:layout_height="match_parent">
    <TextView
        android:id="@+id/name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        android:text="@{item.name}"/>// binding data from model

</androidx.constraintlayout.widget.ConstraintLayout>
</layout>

For more detail :here

Note: sync gradle and clean & rebuild project

dependency should be annotationProcessor 'com.android.databinding:compiler:3.5.1' — Vinayak Khedkar, Oct 13 '22 at 12:03

How to setup Data Binding in Android Studio?

1 Answers1