User presence showing status null value

Roster roster = Roster.getInstanceFor(MyXMPP.connection);

Presence entryPresence =roster.getPresence(xxx@domain.com);

Log.d(“XMPPChatDemoActivity”, "Presence Status: " + entryPresence.getStatus());

Log.d(“XMPPChatDemoActivity”, "Presence getUsername: " + userList.get(position).getUsername());

Which library is this? Smack?