Can I get online users in my friend list via Smack?

Question

Can i get online users in my friend list via Smack API? Is it possible?

I am working on app which have chat between users. I had successfully created chat applicatio

Answer 1

    XMPPConnection.addConnectionCreationListener(new ConnectionCreationListener() {

        @Override
        public void connectionCreated(Connection arg0) {
            Log.i(TAG, "receive xmpp connection : " + arg0);
            connection = arg0;
            roster = arg0.getRoster();

            Collection entries = roster.getEntries();
            Presence presence;

            Log.e(TAG, "user count" + entries.size());

            for (RosterEntry entry : entries) {
                presence = roster.getPresence(entry.getUser());

                Log.i(TAG, "" + entry.getUser());
                Log.i(TAG, "" + presence.getType().name());
                Log.i(TAG, "" + presence.getStatus());
            }

        }
    });

So at the start of your program register that XMPPConnection listener, usually it take few seconds to receive connection object. But it will work only if you will use creatEntry only in that case rooster will see those created users.

To creat entry using Roster use next code:

try {
    rooster.createEntry("name", "user_id", null);
} catch (XMPPException e) {
    e.printStackTrace();
}

I didn't use any group, and with success see user on second device.