View Binding— Layout and Binding Expression

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android">

<data>

<variable
name="welcome"
type="com.example.view_binding.model.WelcomMessage"
/>

</data>


<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="horizontal"
>

<TextView
android:id="@+id/name"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:padding="10dp"
android:text="@{welcome.welcomeMessage}"
></TextView>

<TextView
android:id="@+id/version"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/name"
android:layout_weight="1"
android:padding="10dp"
android:text="@{welcome.version}"
></TextView>
</RelativeLayout>
</layout>

Data object

public class WelcomMessage {
String welcomeMessage, version;

public WelcomMessage(String welcomeMessage, String version) {
this.welcomeMessage = welcomeMessage;
this.version = version;
}

public String getWelcomeMessage() {
return welcomeMessage;
}

public String getVersion() {
return version;
}
}

Binding data

public class WelcomActivity extends AppCompatActivity {

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

WelcomMessage welcomMessage = new WelcomMessage("Name : Welcome to Data Binding", "Version :2.0.1");
ActivityWelcomBinding viewDataBinding = DataBindingUtil.setContentView(this, R.layout.activity_welcom);
viewDataBinding.setWelcome(welcomMessage);

}
}
ActivityWelcomBinding viewDataBinding = DataBindingUtil.setContentView(this, R.layout.activity_welcom);
viewDataBinding.setWelcome(welcomMessage);
<variable
name="welcome"
type="com.example.view_binding.model.WelcomMessage"
/>

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Mobile Application Developer | Flutter Developer | Project Manager | Team Leader | Scrum Certified | PMI APC Appeard | Writing (starting soon)

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