참고 글: PreferenceActivity 사용하기 저장할때: SharedPreferences myPref = getSharedPreferences("some_name", Activity.MODE_PRIVATE); SharedPreferences.Editor editor = myPref.edit(); editor.putInt("lastThemePosition", m_Fgallery.getSelectedItemPosition()); editor.commit(); 읽을때: SharedPreferences settings = getSharedPreferences("some_name", Activity.MODE_PRIVATE); int lastThemePosition = settings.getInt("last..