Android Data Binding

build01.gradle

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath "com.android.tools.build:gradle:1.4.0-beta1"
        classpath "com.android.databinding:dataBinder:1.0-rc1"
    }
}

allprojects {
    repositories {
        jcenter()
    }
}

build02.gradle

apply plugin: 'com.android.application'
apply plugin: 'com.android.databinding'

layout.xml

<layout xmlns:android="http://schemas.android.com/apk/res/android">
    
    <data>
        <variable
            name="user"
            type="com.example.somkiat.databinding.model.User" />
    </data>

    <RelativeLayout >
        <EditText
            android:id="@+id/firstname"
            android:text="@{user.firstName}"/>

        <EditText
            android:id="@+id/lastname"
            android:text="@{user.lastName}"/>
    </RelativeLayout>
    
</layout>

MainActivity01.java

protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    ActivityMainBinding binding = DataBindingUtil.setContentView(this, R.layout.activity_main);
    User defaultUser = new User();
    defaultUser.setFirstName("Somkiat");
    defaultUser.setLastName("Puisungnoen");
    binding.setUser(defaultUser);

}

UpdateUI.java

public void updateUIWithNewData(User user) {
    EditText firstName = (EditText)findViewById(R.id.firstname);
    EditText lastName = (EditText)findViewById(R.id.lastname);

    firstName.setText(user.getFirstName());
    lastName.setText(user.getLastName());
}

User.java

public class User {

    private String firstName;
    private String lastName;

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    public String getFirstName() {
        return firstName;
    }

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }
}