@ColorInt
    public static int getStrokeColor(@Nullable final GeoStyle style, @ColorInt final Integer ... defaults) {
        if (style != null && style.strokeColor != null) {
            return style.strokeColor;
        }
        final Integer dv = firstNonNull(defaults);
        return dv == null ? SYSTEM_DEFAULT.getStrokeColor() : dv;
    }
Returns a non-null strokecolor. If color for this object is null then given defaults are used
main/src/main/java/cgeo/geocaching/models/geoitem/GeoStyle.java