@Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    mPageNumber = getArguments().getInt(ARG_PAGE);

    settings = getActivity().getSharedPreferences(FoggyMix.PREF_NAME, 0);

    app = FoggyMix.getInstance();
  }
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    mPageNumber = getArguments().getInt(ARG_PAGE);

    settings = getActivity().getSharedPreferences(FoggyMix.PREF_NAME, 0);

    app = FoggyMix.getInstance();

    if (challengesList == null) {
      challengesList = new ArrayList<Challenge>();
    }
  }
  private void fillTextViews() {
    app.setIcon(challenge.getIcon(), imgIcon);

    app.fillTextViews(txtName, challenge.getName());
  }