@WorkerThread
    public static boolean postVote(@NonNull final Geocache cache, final float rating) {
        final Parameters params = new Parameters("cacheID", cache.getCacheId());
        params.add("value", String.valueOf(rating));

        try {
            postRequest(SuConnector.getInstance(), SuApiEndpoint.VALUE, params);
        } catch (final SuApiException e) {
            return false;
        }

        // TODO: get updated rating?
        //cache.setRating(rating.getRating());

        cache.setVotes(cache.getVotes() + 1);
        cache.setMyVote(rating);
        DataStore.saveChangedCache(cache);

        return true;
    }
Returns list of caches located around {@code center}

@param center    coordinates of the central point
@param radius    radius in km
@param connector Geocaching connector
@return list of caches located around {@code center}
main/src/main/java/cgeo/geocaching/connector/su/SuApi.java