docs: public void getStreamsByLocation(Location location, int radius, int pageNumber, int itemsPerPage, final KickflipCallback cb) {
          if (!assertActiveUserAvailable(cb)) return;
          GenericData data = new GenericData();
          data.put("uuid", getActiveUser().getUUID());
          data.put("lat", location.getLatitude());
          data.put("lon", location.getLongitude());
          if (radius != 0) {
              data.put("radius", radius);
          }
          post(SEARCH_GEO, new UrlEncodedContent(data), StreamList.class, cb);
      }