public static void addMapviewMenuItems(final Menu menu) {
final SubMenu parentMenu = menu.findItem(R.id.menu_select_mapview).getSubMenu();
final int currentSource = Settings.getMapSource().getNumericalId();
for (int i = 0; i < mapSources.size(); i++) {
final MapSource mapSource = mapSources.get(i);
final int id = mapSource.getNumericalId();
parentMenu
.add(R.id.menu_group_map_sources, id, i, mapSource.getName())
.setCheckable(true)
.setChecked(id == currentSource);
}
parentMenu.setGroupCheckable(R.id.menu_group_map_sources, true, true);
}
