public void replaceToLogSetFragment() {
    FragmentManager fm = getChildFragmentManager();
    FragmentTransaction ft = fm.beginTransaction();

    fm.beginTransaction();
    Fragment logSetFragment = LogSetFragment.newInstance(position);
    ft.replace(R.id.function_card, logSetFragment);
    ft.commit();
  }
  private void addLogSetFragment() {
    FragmentManager fm = getChildFragmentManager();
    FragmentTransaction ft = fm.beginTransaction();

    fm.beginTransaction();
    Fragment logSetFragment = LogSetFragment.newInstance(position);
    ft.add(R.id.function_card, logSetFragment);
    ft.commit();
  }