ViewModel Layout Binding

 

	class MainActivity : AppCompatActivity() {
	private lateinit var binding: ActivityMainBinding
	private lateinit var viewModel : MainActivityViewModel
	override fun onCreate(savedInstanceState: Bundle?) {
	super.onCreate(savedInstanceState)
	setContentView(R.layout.activity_main)
	binding = DataBindingUtil.setContentView(this,R.layout.activity_main)
	viewModel = ViewModelProvider(this).get(MainActivityViewModel::class.java)
	binding.viewModel = viewModel
	binding.lifecycleOwner = this
	}
	}

view raw MainActivity.kt hosted with ❤ by GitHub

	class MainActivityViewModel : ViewModel() {
	val userName = MutableLiveData<String>()
	init {
	userName.value = "Frank"
	}
	}

view raw MainActivityViewModel.kt hosted with ❤ by GitHub

	data class User(
	var name: String,
	var email: String
	)

view raw User.kt hosted with ❤ by GitHub

	<?xml version="1.0" encoding="utf-8"?>
	<layout xmlns:android="http://schemas.android.com/apk/res/android"
	xmlns:app="http://schemas.android.com/apk/res-auto"
	xmlns:tools="http://schemas.android.com/tools">
	<data>
	<variable
	name="viewModel"
	type="com.anushka.twowaydemo1.MainActivityViewModel" />
	</data>
	<androidx.constraintlayout.widget.ConstraintLayout
	android:layout_width="match_parent"
	android:layout_height="match_parent"
	tools:context=".MainActivity">
	<TextView
	android:layout_width="wrap_content"
	android:layout_height="wrap_content"
	android:id="@+id/text_view"
	android:text="@={viewModel.userName}"
	android:textSize="40sp"
	app:layout_constraintBottom_toBottomOf="parent"
	app:layout_constraintHorizontal_bias="0.525"
	app:layout_constraintLeft_toLeftOf="parent"
	app:layout_constraintRight_toRightOf="parent"
	app:layout_constraintTop_toTopOf="parent"
	app:layout_constraintVertical_bias="0.663" />
	<EditText
	android:id="@+id/edit_text"
	android:layout_width="wrap_content"
	android:layout_height="wrap_content"
	android:ems="10"
	android:inputType="textPersonName"
	android:textSize="40sp"
	android:text="@={viewModel.userName}"
	app:layout_constraintBottom_toBottomOf="parent"
	app:layout_constraintEnd_toEndOf="parent"
	app:layout_constraintStart_toStartOf="parent"
	app:layout_constraintTop_toTopOf="parent"
	app:layout_constraintVertical_bias="0.271" />
	</androidx.constraintlayout.widget.ConstraintLayout>
	</layout>

view raw activity_main.xml hosted with ❤ by GitHub