What is DataBinding in Android SDK?

Data Binding is a powerful library in the Android SDK that allows developers to bind UI components in their layouts to data sources in their application using a declarative format rather than programmatically. This library facilitates the automatic updating of the UI components when the data changes, eliminating boilerplate code and enhancing code maintainability.

With Android Data Binding, you can create a link between your UI components in XML layouts and data sources such as ViewModels, making your application easier to manage and test.

<layout xmlns:android="http://schemas.android.com/apk/res/android"> <data> <variable name="viewModel" type="com.example.app.MainViewModel"/> </data> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@{viewModel.userName}"/> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:onClick="@{() -> viewModel.onButtonClick()}"/> </LinearLayout> </layout>

Data Binding Android SDK UI components ViewModel Android development declarative format boilerplate code

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