public void getButtons() {

    List<AskTag> selectedSections = AskTagHelper.getSelectedTags();
    List<AskTag> unselectedSections = AskTagHelper.getUnselectedTags();

    ArrayList<MovableButton> selectedButtons = new ArrayList<>();
    for (int i = 0; i < selectedSections.size(); i++) {
      AskTag section = selectedSections.get(i);
      AskTagMovableButton button = new AskTagMovableButton(this);
      button.setSection(section);
      selectedButtons.add(button);
    }

    ArrayList<MovableButton> unselectedButtons = new ArrayList<>();
    for (int i = 0; i < unselectedSections.size(); i++) {
      AskTag section = unselectedSections.get(i);
      AskTagMovableButton button = new AskTagMovableButton(this);
      button.setSection(section);
      unselectedButtons.add(button);
    }
    desk.setSelectedButtons(selectedButtons);
    desk.setUnselectedButtons(unselectedButtons);
  }