@Override
    public View getView(final int position, View convertView, ViewGroup parent) {

      ViewHolder vh;
      final Computation comp = data.get(position);

      if (convertView == null) {
        LayoutInflater inflater =
            (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        convertView = inflater.inflate(R.layout.list_comps, parent, false);

        vh = new ViewHolder();

        vh.name = (TextView) convertView.findViewById(R.id.comp_name_text);
        vh.description = (TextView) convertView.findViewById(R.id.comp_desc_text);
        vh.checkBox = (CheckBox) convertView.findViewById(R.id.checkBox);
        convertView.setTag(vh);
      } else {
        vh = (ViewHolder) convertView.getTag();
      }

      vh.name.setText(comp.getName());
      vh.description.setText(comp.getTopics());

      vh.checkBox.setTag(position);
      vh.checkBox.setChecked(checkedState[position]);

      vh.checkBox.setOnCheckedChangeListener(
          new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
              int pos = (int) buttonView.getTag();
              checkedState[pos] = isChecked;
            }
          });

      return convertView;
    }
  public void addSelectedToDatabase(Context context) {
    List<Computation> selected = SetupCompsFragment.getSelectedComps();

    TworkDBHelper db = TworkDBHelper.getHelper(context);

    for (Computation comp : selected) {
      db.addComputation(
          comp.getId(),
          comp.getName(),
          comp.getDescription(),
          comp.getTopics(),
          TworkDBHelper.COMP_STATUS_ACTIVE);
      Log.i("SQLite", "added" + comp.getName());
    }
  }