private var userToCheck : VKUser;

private var avatarURLCheckTimer : Interval;

 

private function startChecking () : void {

   avatarURLCheckTimer = Interval.setInterval (getUserAvatarInfo, 5000);

   avatarURLCheckTimer.start();

}

 

private function getUserAvatarInfo() : void {

  var call : NetworkCall = vkAPI.post (new GetProfiles([vkUser.uid], [GetProfiles.PHOTO_MEDIUM]);

  call.addEventListener(NetworkEvent.COMPLETE, getAvatarCompleteHandler);

}

 

private function getAvatarCompleteHandler(event : NetworkEvent) : void {

  if (event.success) {

    var data : ArrayData = event.data as ArrayData;

    var checkingUserData : VKUser = data.value[0] as VKUser;

    if (checkingUserData.photoMedium != vkUser.photoMedium) {

       dispatchEvent(new AvatarCheckEvent(AvatarCheckEvent.CHANGE, checkingUserData.photoMedium));

    }

  }

}