检查Openfire的在线/离线用户，并使用Android自动接受好友请求

我正在android中使用openfire服务器。现在我需要检查有多少用户在线，他们是谁。我的连接正常。但是当我检查它时，输出是这样的

更改花名册条目时调用

姓名：esty

状态：不可用

更改花名册条目时调用

姓名：roni

状态：不可用

因此，如何检查谁在线或离线。另一个问题是如何自动接受请求。 求你了，我需要帮助

这是我的密码：

---

您是否将其与LDAP一起使用？如果是，您可以进入用户/组，然后选择一个组。如果启用联系人列表组共享，则应该可以实现这一功能

启用联系人列表组共享。 有关详细信息，请参见我的屏幕截图：

希望它能解决你的问题

public void OnlineUser()
{

    final Roster sroster = connection.getRoster();

    try {
        sroster.createEntry("esty", "roni", null);
    } catch (XMPPException e) {

        e.printStackTrace();
    }


     Presence presence = new Presence(Presence.Type.available);
     connection.sendPacket(presence);
 //  context.setConnection(Constants.connection);

    // final Roster roster =connection.getRoster();
     final Collection<RosterEntry> entries = sroster.getEntries();

    sroster.addRosterListener(new RosterListener() {
         @Override
         public void presenceChanged(Presence presence) {
           //Called when the presence of a roster entry is changed
             for (RosterEntry entry : entries) {



                    Log.v("roni", "Called when the presence of a roster entry is changed ");
                         Presence entryPresence = sroster.getPresence(entry.getUser());

                         Presence.Type type = entryPresence.getType();       
                         uName =entry.getName().toString();
                         uStatus=type.toString();
                         Log.v("roni", "Name: " + entry.getName().toString());
                         Log.v("roni", "Status: " +type.toString());

                 }
         }
         @Override
         public void entriesUpdated(Collection<String> arg0) {
           // Called when a roster entries are updated.
             for (RosterEntry entry : entries) {


                    Log.v("roni", "Called when a roster entries are updated ");
                         Presence entryPresence = sroster.getPresence(entry.getUser());

                         Presence.Type type = entryPresence.getType();       
                         uName =entry.getName().toString();
                         uStatus=type.toString();
                         Log.v("roni", "Namne: " + entry.getName().toString());
                         Log.v("roni", "Status: " +type.toString());

                 }
         }
         @Override
         public void entriesDeleted(Collection<String> arg0) {
           // Called when a roster entries are removed.
             for (RosterEntry entry : entries) {


                    Log.v("roni", "Called when a roster entries are removed. ");
                         Presence entryPresence = sroster.getPresence(entry.getUser());

                         Presence.Type type = entryPresence.getType();       
                         uName =entry.getName().toString();
                         uStatus=type.toString();
                         Log.v("roni", "Namne: " + entry.getName().toString());
                         Log.v("roni", "Status: " +type.toString());

                 }
         }
        @Override
         public void entriesAdded(Collection<String> arg0) {
           // Called when a roster entries are added.
            for (RosterEntry entry : entries) {


                Log.v("roni", " Called when a roster entries are added. ");
                     Presence entryPresence = sroster.getPresence(entry.getUser());

                     Presence.Type type = entryPresence.getType();       
                     uName =entry.getName().toString();
                     uStatus=type.toString();
                     Log.v("roni", "Namne: " + entry.getName().toString());
                     Log.v("roni", "Status: " +type.toString());

             }
         }
        });