library login_view; import 'package:flutter/material.dart'; import 'package:stacked/stacked.dart'; import 'login_view_model.dart'; class LoginView extends StatelessWidget { @override Widget build(BuildContext context) { //LoginViewModel viewModel = LoginViewModel(); return ViewModelBuilder.reactive( viewModelBuilder: () => LoginViewModel(), onModelReady: (viewModel) { // Do something once your viewModel is initialized }, builder: (context, viewModel, child) { return Scaffold( body: Center(child: Text('LoginMobile')), ); }); } }