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

    // Instantiate lists
    tasks = new ArrayList<>();
    tempBookList = new ArrayList<>();
    swipe = new SwipeRefreshLayout(getActivity());

    // Instantiate listview
    list = new ListView(getActivity());

    // Initiate progressbar for loading
    pb = new ProgressBar(getActivity()); // Init the progressbar
    pb.setId(1); // Give pb an id
    pb.setVisibility(View.INVISIBLE); // Set progressbar visibility

    // Set details list
    list.setBackgroundColor(Color.WHITE);
    list.setMultiChoiceModeListener(multiChoiceHandler);
    list.setOnItemClickListener(onItemClickHandler);
    list.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL);

    swipe.setOnRefreshListener(refreshListener);

    try {
      requestData(BookshelfConstants.CONNECTION_URI);
    } catch (JSONException e) {
      e.printStackTrace();
    }

    swipe.addView(list);

    return swipe;
  }