fetch Users Online Status
Fetches online status by user ID (friends + non-friends).
Note:
1. Results are only returned via OnLineStatusListener set by addOnLineStatusListener; call removeOnLineStatusListener when the page is destroyed.
2. If cached status exists it is returned immediately; otherwise, online status is fetched and returned via OnLineStatusListener.
Fetches online status by user ID list (friends + non-friends).
Note:
1. Results are only returned via OnLineStatusListener set by addOnLineStatusListener; call removeOnLineStatusListener when the page is destroyed.
2. If cached status exists it is returned immediately; otherwise, online status is fetched and returned via OnLineStatusListener.