* @throws Exception
*/
@RequestMapping
public ModelAndView latestUserActivity(@RequestParam String userName,@RequestParam(defaultValue="0") Long latestId,@RequestParam Integer pageNum,HttpServletRequest request) throws Exception {
Account acc = accountService.loadAccountByUserName(userName);
Person currentUser = acc.getUserProfile();
List<Activity> latest = activityService.loadLatestPublicStatus(currentUser, pageNum);
JsonObject returnObj = new JsonObject();
if (!latest.isEmpty()) {
JsonArray array = new JsonArray();
boolean startRecording = (latestId == 0l);