<UI is not updating while viewModel is updated in ...

# stackoverflow

[user]

UI is not updating while viewModel is updated in android kotlin
I am following the MVVM pattern Activity-->ViewModel ---> Repository . Repository is calling api and updated the LiveData. The value is of LiveData is also updated in ViewModel but its not reflecting on Activity. Please guide me where i am missing, Code is given below
Activity code:
class LoginWithEmailActivity : AppCompatActivity() {

private var loginViewModel: LoginViewModel? = null
private var binding: ActivityLoginWithEmailBinding? = null
private var btnLogin : Button? =...