public void updateListView() {
   ParseHelper.getGroceryList(getContext());
   mAdapter.notifyDataSetChanged();
   mGroceries = GroceryList.get().getGroceryList();
   mListView = (ListView) getActivity().findViewById(R.id.grocery_list_view);
   mAdapter = new GroceryListAdapter(getActivity(), R.id.grocery_list_view, mGroceries);
   mListView.setAdapter(mAdapter);
 }
 @Override
 public View onCreateView(
     LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
   View v = inflater.inflate(R.layout.fragment_grocery_list, container, false);
   ParseHelper.getGroceryList(getContext());
   mGroceries = GroceryList.get().getGroceryList();
   mListView = (ListView) v.findViewById(R.id.grocery_list_view);
   mAdapter = new GroceryListAdapter(getActivity(), R.id.grocery_list_view, mGroceries);
   mListView.setAdapter(mAdapter);
   mListView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
   return v;
 }