onCreateLoader with two cursor loaders, incomplete

public class NutritionFactFragment extends Fragment implements LoaderManager.LoaderCallbacks<Cursor> {
    public static final int FRUIT_LOADER = 1;
    public static final int VEGGIE_LOADER = 2;

...

@Override
    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
        switch (id) {
            case FRUIT_LOADER:
                CursorLoader fruitCursorLoader = new CursorLoader(
                        getActivity(),
                        Uri.parse(NutritionContract.Fruit.CONTENT_URI),
                        null,
                        null,
                        null,
                        null
                );
                return fruitCursorLoader;
            case VEGGIE_LOADER:
                CursorLoader veggieCursorLoader = new CursorLoader(
                        getActivity(),
                        Uri.parse(NutritionContract.Veggies.CONTENT_URI),
                        null,
                        null,
                        null,
                        null
                );
                return veggieCursorLoader;
            default:
                return null;
        }
    }
}