@Override
  public View onCreateView(
      LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    super.onCreateView(inflater, container, savedInstanceState);
    View v = inflater.inflate(R.layout.layout_list, container, false);

    File f = new File("/sys/block/mmcblk0/queue/iosched");
    String curSched = Helpers.getCurrentScheduler();
    File[] files = f.listFiles();
    if (files.length != 0) {
      MainActivity.menu.setEnabled(false);
      addPreferences();
      mCategory.setTitle(curSched + " Tweakable values");
    } else {
      Preference pref = new Preference(mContext);
      pref.setTitle("No tweakable values");
      pref.setSummary(curSched + " Doesn\'t have tweakable values");
      mCategory.addPreference(pref);
    }

    return v;
  }