public boolean onOptionsItemSelected(MenuItem item) {
    FragmentTransaction ft = fm.beginTransaction();
    switch (item.getItemId()) {
      case R.id.menu_additionbtn:

        /*
         * start the activity that allows users to enter in new twitter user
         * accounts
         */
        ModifyTweetersFragment frag = new ModifyTweetersFragment();

        ft.add(R.id.activity_tweetslist_container, frag, ModifyTweetersFragment.class.getName());
        ft.addToBackStack(
            null); // adding to the backstack allows us to revert the last transaction and thus
        // return to tweeter list afterwards
        ft.commit();

        isEditing = true;
        invalidateOptionsMenu();
        break;

      case R.id.menu_load_tweeter_btn:
        onBackPressed();
        invalidateOptionsMenu();
        break;
      case R.id.menu_refresh_btn:
      case R.id.menu_refreshlisting_settings:

        /*
         * user may press refresh button, force the loader to get new data
         * in this case
         */

        mFragmentListCallback.requestRefresh();
        break;

      case R.id.menu__delete_all_settings:
        deleteAllTweetListEntries();

        break;

      case R.id.menu_quickread_settings:
        mMultiColumn = !mMultiColumn;
        mFragmentListCallback.requestMultiColumn(mMultiColumn);
        break;
      default:
        return true;
    }
    return false;
  }
  /* make any fragment method calls after the fragments have been resumed */
  @Override
  protected void onResumeFragments() {
    // TODO Auto-generated method stub
    super.onResumeFragments();

    if (isFromSavedState) {
      mFragmentListCallback.changePage(restoredIndex);
      isFromSavedState = false;
    }
  }