MyFormPresenter.java

class MyFormPresenter extends MviBasePresenter<MyFormView, FormViewState> {

  @Override
  public void bindIntents(){
    Observable<FormViewState> state = intent( MyFormView::submitIntent)
      .map(formInputData -> new FormViewState( isValidName(formInputData.name), isValidEmail(formInputData.email) ) );
    
    subscribeViewState(state, MyFormView::render)
  }
}

MyFormView.java

class FormInputData{
  String name;
  String email;
}

class FormViewState {
   boolean nameError;
   boolean emailError;
}

interface MyFormView{
   Observable<FormInputData> submitIntent();
   void render(FormViewState state);
}