AboutFragment

public class AboutFragment extends Fragment {

    @Inject
    Bus mBus;

    /**
     * The fragment argument representing the section number
     * for this fragment.
     */
    public static final String ARG_SECTION_NUMBER = "section_number";

    public static AboutFragment newInstance(int sectionNumber) {
        AboutFragment fragment = new AboutFragment();
        Bundle args = new Bundle();
        args.putInt(ARG_SECTION_NUMBER, sectionNumber);
        fragment.setArguments(args)
        return fragment;
    }

    public AboutFragment() {
        // Required empty public constructor
    }

    @Override
    public void onCreate(final Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_about, container, false);
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        Injector.inject(this); // Must be called here instead of in onCreate()
        int sectionNumber = getArguments().getInt(ARG_SECTION_NUMBER);
        if (mBus == null) {
            Log.e(getClass().getName(), "OTTO has not arrived here");
        } else {
            mBus.post(new AboutFragmentAttachedEvent(sectionNumber));
        }
//        onSectionAttachedCallback(activity);
    }

}