TheBotBox

class MainViewModel(
    private val iRepository: IRepository
) : ViewModel() {

    private val _errorLiveData: MutableLiveData<String> = MutableLiveData()
    val errorLiveData: LiveData<String>
        get() = _errorLiveData

    private val _fetchRandomQuoteLiveData: MutableLiveData<RandomQuoteResponse> = MutableLiveData()
    val fetchRandomQuoteLiveData: LiveData<RandomQuoteResponse>

TheBotBox

class MainActivity : AppCompatActivity() {
    private val mBinding by viewBinding(ActivityMainBinding::inflate)
    private val mViewModel by viewModel<MainViewModel>()

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(mBinding.root)
        mBinding.viewModel = mViewModel

        mViewModel.fetchRandomQuoteLiveData.observe(this, Observer { // observing response from viewmodel

TheBotBox

<layout>
    <data>
        <variable
            name="viewModel"
            type="com.thebotbox.letsmvvm.presentation.viewmodel.MainViewModel" />
    </data>

    <androidx.constraintlayout.widget.ConstraintLayout 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"