if (checkedRadioButtonId == rbOpt1.getId()) {
                        mPageNumStyle = Constants.PG_NUM_STYLE_PAGE_X_OF_N;
                    } else if (checkedRadioButtonId == rbOpt2.getId()) {
                        mPageNumStyle = Constants.PG_NUM_STYLE_X_OF_N;
                    } else if (checkedRadioButtonId == rbOpt3.getId()) {