public static float getStrokeWidth(@Nullable final GeoStyle style, final Float ... defaults) {
        if (style != null && style.strokeWidth != null) {
            return style.strokeWidth;
        }
        final Float dv = firstNonNull(defaults);
        return dv == null ? SYSTEM_DEFAULT.getStrokeWidth() : dv;
    }
Returns a non-null strokewidth. If width for this object is null then given defaults are used
main/src/main/java/cgeo/geocaching/models/geoitem/GeoStyle.java