Android中基于XMPP协议实现IM聊天程序与多人聊天室

   
改为：         

final FormField fieldOccu= dataForm.addField()；  
fieldOccu.setVariable("muc#roominfo_occupants");  
fieldOccu.setLabel(LocaleUtils.getLocalizedString("muc.extended.info.occupants"));  
fieldOccu.addValue(Integer.toString(room.getOccupantsCount()));