paulocns

public class YourViewModel extends ViewModel {
//YOUR VIEWMODEL CODE
}

paulocns

public class QueryViewModelArc extends ViewModel {
  private SearchShows searchShows;
  
  @Inject
    public QueryViewModelArc(SearchShows searchShows) {
        this.searchShows = searchShows;
    }
  //Viewmodel stuff
}

paulocns

public class QueryFragment extends BaseFragment {

    @Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        QueryViewModelArc queryViewModelArc =
                ViewModelProviders.of(this, getViewModelFactory()).get(QueryViewModelArc.class);
    }
}

paulocns

public abstract class BaseFragment extends Fragment {

    @Inject
    ProjectViewModelFactory viewModelFactory;

    @Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        DevCampApplication app = (DevCampApplication) getActivity().getApplication();

paulocns

public class ProjectViewModelFactory implements ViewModelProvider.Factory {
    private final ArrayMap<Class, Callable<? extends ViewModel>> creators;

    public ProjectViewModelFactory(ViewModelSubComponent viewModelSubComponent) {
        creators = new ArrayMap<>();
        creators.put(HomeFragmentViewModel.class, () -> viewModelSubComponent.homeFragmentViewModel());
        creators.put(QueryViewModelArc.class, () -> viewModelSubComponent.queryViewModelArc());
    }

    @Override

paulocns

@Subcomponent
public interface ViewModelSubComponent {
    @Subcomponent.Builder
    interface Builder {
        ViewModelSubComponent build();
    }

    HomeFragmentViewModel homeFragmentViewModel();
    QueryViewModelArc queryViewModelArc();
}

paulocns

@Singleton
@Component(modules = {
        ApplicationModule.class,
        NetworkModule.class,
        ShowRepositoryModule.class,
        ResourceRepositoryModule.class
})
public interface ApplicationComponent {
    // expose to sub graphs

paulocns

@Module(subcomponents = {ViewModelSubComponent.class})
public class ApplicationModule {
  
    @Singleton
    @Provides
    ProjectViewModelFactory provideViewModelFactory(
            ViewModelSubComponent.Builder viewModelSubComponent) {

        return new ProjectViewModelFactory(viewModelSubComponent.build());
    }

paulocns

<?xml version="1.0" encoding="utf-8"?>
<layout
    xmlns:android="http://schemas.android.com/apk/res/android">
    <data>

    <variable
        name="viewModel"
        type="package.QueryViewModelArc"/>
    </data>
    <FrameLayout

paulocns

public class QueryViewModelArc extends ViewModel {

    private MutableLiveData<String> query = new MutableLiveData<>();

    private MutableLiveData<Boolean> searchEnabled =  new MutableLiveData<>();

    private SearchShows searchShows;

    @Inject
    public QueryViewModelArc(SearchShows searchShows) {