Use case login view

login_view.dart

class _LoginViewState extends State<LoginView> with LoginController {
  late final ClearTextAction textAction;
  late final ControllerCleaner _controllerCleaner;
  String _value = '';
  @override
  void initState() {
    super.initState();
    textAction = ClearTextAction();
    _controllerCleaner = ControllerCleaner(textAction);
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        floatingActionButton: Row(
          mainAxisSize: MainAxisSize.min,
          children: [
            _homeButton(),
            _removeButton(),
          ],
        ),
        appBar: AppBar(),
        body: _CustomTextField(
          action: textAction,
          onChange: (String value) {
            _value = value;
          },
        ));
  }

  FloatingActionButton _homeButton() {
    return FloatingActionButton.large(
      child: const Icon(Icons.home),
      onPressed: () {
        _controllerCleaner.update('home');
      },
    );
  }

  FloatingActionButton _removeButton() {
    return FloatingActionButton(
      child: const Icon(Icons.remove),
      onPressed: () {
        _controllerCleaner.clear();
      },
    );
  }
}