public static MultiUserChat createConferenceRoom(
     ImConnection talkConnection, String roomName, List<String> memberList) throws XMPPException {
   try {
     MultiUserChat muc = getMultiUserChat(talkConnection, roomName);
     if (muc != null) {
       // 创建聊天室
       muc.join(talkConnection.getXMPPConnection().getUser());
       //                muc.create(roomName); // roomName房间的名字
       // 获得聊天室的配置表单
       Form form = muc.getConfigurationForm();
       // 根据原始表单创建一个要提交的新表单。
       Form submitForm = form.createAnswerForm();
       // 向要提交的表单添加默认答复
       for (Iterator<FormField> fields = form.getFields(); fields.hasNext(); ) {
         FormField field = (FormField) fields.next();
         if (!FormField.TYPE_HIDDEN.equals(field.getType()) && field.getVariable() != null) {
           // 设置默认值作为答复
           submitForm.setDefaultAnswer(field.getVariable());
         }
       }
       // 设置聊天室的新拥有者
       List<String> owners = new ArrayList<String>();
       owners.add(talkConnection.getXMPPConnection().getUser()); // 用户JID
       submitForm.setAnswer("muc#roomconfig_roomowners", owners);
       // 设置聊天室是持久聊天室,即将要被保存下来
       submitForm.setAnswer("muc#roomconfig_persistentroom", true);
       // 房间仅对成员开放
       submitForm.setAnswer("muc#roomconfig_membersonly", false);
       // 允许占有者邀请其他人
       submitForm.setAnswer("muc#roomconfig_allowinvites", true);
       // 登录房间对话
       submitForm.setAnswer("muc#roomconfig_enablelogging", true);
       // 仅允许注册的昵称登录
       submitForm.setAnswer("x-muc#roomconfig_reservednick", true);
       // 允许使用者修改昵称
       submitForm.setAnswer("x-muc#roomconfig_canchangenick", false);
       // 允许用户注册房间
       submitForm.setAnswer("x-muc#roomconfig_registration", false);
       // 发送已完成的表单(有默认值)到服务器来配置聊天室
       submitForm.setAnswer("muc#roomconfig_passwordprotectedroom", true);
       // 添加群成员
       for (String tempMember : memberList) {
         muc.grantMembership(tempMember);
       }
       // 发送已完成的表单(有默认值)到服务器来配置聊天室
       muc.sendConfigurationForm(submitForm);
     }
     return muc;
   } catch (XMPPException e) {
     e.printStackTrace();
     throw new XMPPException("");
   }
 }
  /**
   * 修改会议室 当前该函数只能修改会议室名称和成员
   *
   * @param roomName
   * @param memberList
   */
  public static boolean modifyRoom(
      ImConnection talkConnection, String roomName, String newRoomName, List<String> memberList) {
    try {
      MultiUserChat muc = getMultiUserChat(talkConnection, roomName);
      if (muc != null) {
        muc.join(talkConnection.getXMPPConnection().getUser());
        // 获得聊天室的配置表单
        Form form = muc.getConfigurationForm();
        // 根据原始表单创建一个要提交的新表单。
        Form submitForm = form.createAnswerForm();
        submitForm.setAnswer("muc#roomconfig_roomname", newRoomName); // 设置房间的新名称
        // form.setAnswer();
        // 先删除所以的群成员
        List<Affiliate> delMembers = (List<Affiliate>) muc.getMembers();
        if (delMembers != null && delMembers.size() > 0) {
          for (Affiliate affiliate : delMembers) {
            muc.revokeMembership(affiliate.getJid());
          }
        }

        if (memberList != null && memberList.size() > 0) {
          for (String member : memberList) {
            muc.grantMembership(member);
          }
        }

        muc.sendConfigurationForm(submitForm);
      }
    } catch (XMPPException e) {
      e.printStackTrace();
    }
    return true;
  }
  /**
   * 获取服务器上所有会议室
   *
   * @return
   * @throws org.jivesoftware.smack.XMPPException
   */
  public static List<FriendRooms> getConferenceRoom(ImConnection talkConnection)
      throws XMPPException {
    if (talkConnection == null) return null;
    XMPPConnection connection = talkConnection.getXMPPConnection();
    if (connection == null) return null;
    List<FriendRooms> list = new ArrayList<FriendRooms>();
    new ServiceDiscoveryManager(connection);
    if (!MultiUserChat.getHostedRooms(connection, connection.getServiceName()).isEmpty()) {
      for (HostedRoom k : MultiUserChat.getHostedRooms(connection, connection.getServiceName())) {

        for (HostedRoom j : MultiUserChat.getHostedRooms(connection, k.getJid())) {
          RoomInfo info2 = MultiUserChat.getRoomInfo(connection, j.getJid());
          if (j.getJid().indexOf("@") > 0) {
            FriendRooms friendrooms = new FriendRooms();
            friendrooms.setName(j.getName()); // 聊天室的名称
            friendrooms.setJid(j.getJid()); // 聊天室JID
            friendrooms.setOccupants(info2.getOccupantsCount()); // 聊天室中占有者数量
            friendrooms.setDescription(info2.getDescription()); // 聊天室的描述
            friendrooms.setSubject(info2.getSubject()); // 聊天室的主题
            list.add(friendrooms);
          }
        }
      }
    }
    return list;
  }
 private static MultiUserChat getMultiUserChat(ImConnection talkConnection, String roomName)
     throws XMPPException {
   if (talkConnection == null) return null;
   XMPPConnection connection = talkConnection.getXMPPConnection();
   if (connection == null) return null;
   MultiUserChat muc =
       new MultiUserChat(connection, roomName + "@conference." + connection.getServiceName());
   return muc;
 }
 /**
  * 删除会议室
  *
  * @param roomName 会议室名称
  * @param talkConnection 服务器链接对象
  * @return true 删除成功 false 删除失败
  */
 public static boolean deleteRoom(String roomName, ImConnection talkConnection) {
   try {
     MultiUserChat muc = getMultiUserChat(talkConnection, roomName);
     if (muc != null) {
       muc.join(talkConnection.getXMPPConnection().getUser());
       muc.destroy("test", null);
       return true;
     }
   } catch (XMPPException e) {
     e.printStackTrace();
   }
   return false;
 }