notifyDataSetChanged ne fonctionne pas sur RecyclerView

Je suis l'obtention de données de serveur, puis de l'analyser et de le stocker dans une Liste. Je suis l'aide de cette liste pour la RecyclerView de l'adaptateur. Je suis à l'aide de Fragments.

J'utilise un Nexus 5 avec KitKat. Je suis en utilisant la bibliothèque de prise en charge pour cela. Cela fera une différence?

Voici mon code: (à l'Aide de données factices pour la question)

Les Variables Membres:

List<Business> mBusinesses = new ArrayList<Business>();

RecyclerView recyclerView;
RecyclerView.LayoutManager mLayoutManager;
BusinessAdapter mBusinessAdapter;

Mon onCreateView():

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {

    //Getting data from server
    getBusinessesDataFromServer();

    View view = inflater.inflate(R.layout.fragment_business_list,
            container, false);
    recyclerView = (RecyclerView) view
            .findViewById(R.id.business_recycler_view);
    recyclerView.setHasFixedSize(true);

    mLayoutManager = new LinearLayoutManager(getActivity());
    recyclerView.setLayoutManager(mLayoutManager);

    mBusinessAdapter = new BusinessAdapter(mBusinesses);
    recyclerView.setAdapter(mBusinessAdapter);

    return view;
}

Après l'obtention de données de serveur, parseResponse() est appelé.

protected void parseResponse(JSONArray response, String url) {
    //insert dummy data for demo

    mBusinesses.clear();

    Business business;

    business = new Business();
    business.setName("Google");
    business.setDescription("Google HeadQuaters");
    mBusinesses.add(business);

    business = new Business();
    business.setName("Yahoo");
    business.setDescription("Yahoo HeadQuaters");
    mBusinesses.add(business);

    business = new Business();
    business.setName("Microsoft");
    business.setDescription("Microsoft HeadQuaters");
    mBusinesses.add(business);

    Log.d(Const.DEBUG, "Dummy Data Inserted\nBusinesses Length: "
            + mBusinesses.size());

    mBusinessAdapter = new BusinessAdapter(mBusinesses);
    mBusinessAdapter.notifyDataSetChanged();
}

Mon BusinessAdapter:

public class BusinessAdapter extends
RecyclerView.Adapter<BusinessAdapter.ViewHolder> {
private List<Business> mBusinesses = new ArrayList<Business>();
//Provide a reference to the type of views that you are using
//(custom viewholder)
public static class ViewHolder extends RecyclerView.ViewHolder {
public TextView mTextViewName;
public TextView mTextViewDescription;
public ImageView mImageViewLogo;
public ViewHolder(View v) {
super(v);
mTextViewName = (TextView) v
.findViewById(R.id.textView_company_name);
mTextViewDescription = (TextView) v
.findViewById(R.id.textView_company_description);
mImageViewLogo = (ImageView) v
.findViewById(R.id.imageView_company_logo);
}
}
//Provide a suitable constructor (depends on the kind of dataset)
public BusinessAdapter(List<Business> myBusinesses) {
Log.d(Const.DEBUG, "BusinessAdapter -> constructor");
mBusinesses = myBusinesses;
}
//Create new views (invoked by the layout manager)
@Override
public BusinessAdapter.ViewHolder onCreateViewHolder(ViewGroup parent,
int viewType) {
Log.d(Const.DEBUG, "BusinessAdapter -> onCreateViewHolder()");
//create a new view
View v = LayoutInflater.from(parent.getContext()).inflate(
R.layout.item_business_list, parent, false);
ViewHolder vh = new ViewHolder(v);
return vh;
}
//Replace the contents of a view (invoked by the layout manager)
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
//- get element from your dataset at this position
//- replace the contents of the view with that element
Log.d(Const.DEBUG, "BusinessAdapter -> onBindViewHolder()");
Business item = mBusinesses.get(position);
holder.mTextViewName.setText(item.getName());
holder.mTextViewDescription.setText(item.getDescription());
holder.mImageViewLogo.setImageResource(R.drawable.ic_launcher);
}
//Return the size of your dataset (invoked by the layout manager)
@Override
public int getItemCount() {
Log.d(Const.DEBUG, "BusinessAdapter -> getItemCount()");
if (mBusinesses != null) {
Log.d(Const.DEBUG, "mBusinesses Count: " + mBusinesses.size());
return mBusinesses.size();
}
return 0;
}
}

Mais je n'ai pas les données affichées dans la vue. Ce que je fais mal?

Voici mon journal,

07-14 21:15:35.669: D/xxx(2259): Dummy Data Inserted
07-14 21:15:35.669: D/xxx(2259): Businesses Length: 3
07-14 21:26:26.969: D/xxx(2732): BusinessAdapter -> constructor

Je ne reçois pas tous les journaux après ce. Ne devrait pas getItemCount() dans l'adaptateur doit être appelé de nouveau?