public static Geopoint getUMMapCenter() {
        return new Geopoint(getInt(R.string.pref_lastmaplat, 0) / 1e6, getInt(R.string.pref_lastmaplon, 0) / 1e6);
    }
@return zoom used for the map of a single cache
main/src/main/java/cgeo/geocaching/settings/Settings.java