activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android">
    <data>
        <variable
            name="user"
            type="com.tuts.prakash.databinding.model.User" />
        <variable name="handler"
            type="com.tuts.prakash.databinding.handlers.MyHandlers"/>

    </data>

    <LinearLayout
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        android:padding="@dimen/padding16"
        tools:context=".MainActivity"
        tools:showIn="@layout/activity_main">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@{user.name, default=@string/placeholder_name}" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@{user.email,default=@string/placeholder_email}" />

        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/btn"
            android:onClick="@{(view) -> handler.btnClick(view, user)}" />

    </LinearLayout>
</layout>