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Android中基于XMPP协议实现IM聊天程序与多人聊天室

时间:2021-06-17 15:20     来源/作者:喝醉的毛毛虫

简单的im聊天程序
由于项目需要做一个基于xmpp协议的android通讯软件。故开始研究xmpp。
xmpp协议采用的是客户端-服务器架构,所有从一个客户端发到另一个客户端的消息和数据都必须经过xmpp服务器转发,而且支持服务器间dns的路由,也就是说可以构建服务器集群,使不同的

服务器下的客户端也可以通信,xmpp的前身是一个开源组织制定的网络通信协议——jabber,xmpp的核心是在网络上分片段发送xml流的协议,这个协议是xmpp的即时通讯指令的传递手段。
      为了防止服务器间发送的数据被篡改或偷听,xmpp服务器通信引入了tls机制,使用tls机制能实现数据的加密,从而保证了在数据传输过程种数据的安全。
      一个xmpp实体的地址称为jabber identifier或jid,作用类似于ip地址。一个合法的jid包括节点名,域名资源名,其格式为:jid=[node'@']domain['/'resource]

xmpp协议的命名空间:

  • jabber:iq:private   -- 私有数据存储,用于本地用户私人设置信息,比如用户备注等。
  • jabber:iq:conference  -- 一般会议,用于多个用户之间的信息共享
  • jabber:x:encrypted -- 加密的消息,用于发送加密消息
  • jabber:x:expire  -- 消息终止
  • jabber:iq:time  -- 客户端时间
  • jabber:iq:auth  -- 简单用户认证,一般用于服务器之间或者服务器和客户端之间的认证
  • jabber:x:roster  -- 内部花名册
  • jabber:x:signed  -- 标记的在线状态
  • jabber:iq:search -- 用户数据库查询,用于向服务器发送查询请求
  • jabber:iq:register -- 注册请求,用于用户注册相关信息
  • jabber:x:iq:roster -- 花名册管理
  • jabber:x:conference -- 会议邀请,用于向参加会议用户发送开会通知
  • jabber:x:event  -- 消息事件
  • vcard-temp  -- 临时的vcard,用于设置用户的头像以及昵称等

 在网上找了下,有开源的项目beem,开源的用于android的xmpp框架asmack,asmack是smack的android版本。现在开始学习smack

。xmpp就是神马东西,就不废话了。首先在网上下一个openfire和spack,不知道这两个是什么东西,就直接google吧。安装openfire需要mysql的支持,当然,oracle,sqlserver肯定是可以的。还是先上图吧:

openfire + spark + myxmppp

Android中基于XMPP协议实现IM聊天程序与多人聊天室

Android中基于XMPP协议实现IM聊天程序与多人聊天室

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import java.io.inputstreamreader;
import java.util.collection;
 
import org.jivesoftware.smack.chat;
import org.jivesoftware.smack.chatmanager;
import org.jivesoftware.smack.chatmanagerlistener;
import org.jivesoftware.smack.connectionconfiguration;
import org.jivesoftware.smack.messagelistener;
import org.jivesoftware.smack.privacylistmanager;
import org.jivesoftware.smack.roster;
import org.jivesoftware.smack.rosterentry;
import org.jivesoftware.smack.rostergroup;
import org.jivesoftware.smack.rosterlistener;
import org.jivesoftware.smack.xmppconnection;
import org.jivesoftware.smack.packet.message;
import org.jivesoftware.smack.packet.presence;
 
public class testsmack {
  public static void main(string[] args) {xmppconnection.debug_enabled = true;
    //我的电脑ip:10.16.25.90
    final connectionconfiguration connectionconfig = new connectionconfiguration("10.16.25.91", 5222, "");
    connectionconfig.setsaslauthenticationenabled(false);
        try {
           
          xmppconnection connection = new xmppconnection(connectionconfig);
          connection.connect();//连接
          connection.login("test", "test");//登陆
          system.out.println(connection.getuser());
          chatmanager chatmanager = connection.getchatmanager();
 
          //新建一个会话
          chat newchat = chatmanager.createchat("test3@pc2010102716", new messagelistener() {
            public void processmessage(chat chat, message message) {
              system.out.println("received from 【" + message.getfrom() + "】 message: " + message.getbody());
            }
          });
           
          // 监听被动接收消息,或广播消息监听器
          chatmanager.addchatlistener(new chatmanagerlistener() {
            @override
            public void chatcreated(chat chat, boolean createdlocally) {
              chat.addmessagelistener(new messagelistener() {
                @override
                public void processmessage(chat chat, message message) {
                  system.out.println("received from 【" + message.getfrom() + "】 message: " + message.getbody());
                }
                   
              });
            }
          });
          //发送消息
          newchat.sendmessage("我是菜鸟");
           
          //获取花名册
          roster roster = connection.getroster();
          collection<rosterentry> entries = roster.getentries();
          for(rosterentry entry : entries) {
            system.out.print(entry.getname() + " - " + entry.getuser() + " - " + entry.gettype() + " - " + entry.getgroups().size());
            presence presence = roster.getpresence(entry.getuser());
            system.out.println(" - " + presence.getstatus() +" - "+ presence.getfrom());
          }
           
          //添加花名册监听器,监听好友状态的改变。
          roster.addrosterlistener(new rosterlistener() {
 
            @override
            public void entriesadded(collection<string> addresses) {
              system.out.println("entriesadded");
            }
 
            @override
            public void entriesupdated(collection<string> addresses) {
              system.out.println("entriesupdated");
            }
 
            @override
            public void entriesdeleted(collection<string> addresses) {
              system.out.println("entriesdeleted");
            }
 
            @override
            public void presencechanged(presence presence) {
              system.out.println("presencechanged - >" + presence.getstatus());
            }
             
          });
           
          //创建组
//         /rostergroup group = roster.creategroup("大学");
//         for(rosterentry entry : entries) {
//           group.addentry(entry);
//         }
          for(rostergroup g : roster.getgroups()) {
            for(rosterentry entry : g.getentries()) {
              system.out.println("group " +g.getname() +" >> " + entry.getname() + " - " + entry.getuser() + " - " + entry.gettype() + " - " + entry.getgroups().size());
            }
          }
           
          //发送消息
          bufferedreader cmdin = new bufferedreader(new inputstreamreader(system.in));
          while(true) {
           try {
             string cmd = cmdin.readline();
             if("!q".equalsignorecase(cmd)) {
               break;
             }
             newchat.sendmessage(cmd);
           }catch(exception ex) {
           }
          }
          connection.disconnect();
          system.exit(0);
        } catch (exception e) {
          e.printstacktrace();
        }
  }
}

以上代码如果在一般的java project上运行需要加入smack.jar 和klmx2.jar,如果是android project,基本代码不需改变只需将其放入oncreate(...)方法下即可,需要加入asmack.jar包.

1、connectionconfiguration
 作为用于与xmpp服务建立连接的配置。它能配置;连接是否使用tls,sasl加密。
 包含内嵌类:connectionconfiguration.securitymode

2、xmppconnection.
 xmppconnection这个类用来连接xmpp服务.
 可以使用connect()方法建立与服务器的连接。disconnect()方法断开与服务器的连接.
 在创建连接前可以使用xmppconnection.debug_enabled = true; 使开发过程中可以弹出一个gui窗口,用于显示我们的连接与发送packet的信息。

Android中基于XMPP协议实现IM聊天程序与多人聊天室

3、chatmanager
 用于监控当前所有chat。可以使用createchat(string userjid, messagelistener listener)创建一个聊天。
 
4、chat
 chat用于监控两个用户间的一系列message。使用addmessagelistener(messagelistener listener)当有任何消息到达时将会触发listener的processmessage(chat chat, message message)
方法.
 我们可以使用sendmessage()发送消息,这个方法有两个重载方法,一种类类型的参数时string类型,另一种则是传入message对象(后面介绍)。
 那么有这样一种情况,当别人主动跟我们建立连接发送消息,或者系统发送消息时我们怎么才能接收消息呢?
    我现在是这样操作的:

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chatmanager.addchatlistener(new chatmanagerlistener() {
@override
public void chatcreated(chat chat, boolean createdlocally) {
 chat.addmessagelistener(new messagelistener() {
 @override
 public void processmessage(chat chat, message message) {
  system.out.println("received message: " + message.getbody());
 }
    
 });
}
});

 
5、message

  •  message用于表示一个消息包(可以用调试工具看到发送包和接收包的具体内容)。它有以下多种类型。
  •   message.type.normal -- (默认)文本消息(比如邮件)
  •   message.type.chat -- 典型的短消息,如qq聊天的一行一行显示的消息
  •   message.type.group_chat -- 群聊消息
  •   message.type.headline -- 滚动显示的消息
  •   message.type.error -- 错误的消息
  •  message有两个内部类:
  •   message.body -- 表示消息体
  •   message.type -- 表示消息类型

6、roster
 表示存储了很多rosterentry的一个花名册.为了易于管理,花名册的项被分贝到了各个group中.
 当建立与xmpp服务的连接后可以使用connection.getroster()获取roster对象。
 别的用户可以使用一个订阅请求(相当于qq加好友)尝试订阅目的用户。可以使用枚举类型roster.subscriptionmode的值处理这些请求:
 accept_all: 接收所有订阅请求
 reject_all:拒绝所有订阅请求
 manual:  手工处理订阅请求
 
 创建组:rostergroup group = roster.creategroup("大学");
 向组中添加rosterentry对象: group.addentry(entry);
 
7、rosterentry
 表示roster(花名册)中的每条记录.它包含了用户的jid,用户名,或用户分配的昵称.
 
8、rostergroup
 表示rosterentry的组。可以使用addentry(rosterentry entry)添加。contains(string user) 判断某用户是否在组中.当然removeentry(rosterentry entry)就是从组中移除了。getentries()

获取所有rosterentry.
 
9、presence
 表示xmpp状态的packet。每个presence packet都有一个状态。用枚举类型presence.type的值表示:
 available -- (默认)用户空闲状态
 unavailable -- 用户没空看消息
 subscribe -- 请求订阅别人,即请求加对方为好友
 subscribed -- 统一被别人订阅,也就是确认被对方加为好友
 unsubscribe -- 他取消订阅别人,请求删除某好友
 unsubscribed -- 拒绝被别人订阅,即拒绝对放的添加请求
 error -- 当前状态packet有错误
 内嵌两个枚举类型:presence.mode和presence.type.
 可以使用setstatus自定义用户当前的状态(像qq一样的)


multiuserchat聊天室

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import java.io.bufferedreader; 
import java.io.inputstreamreader; 
import java.util.arraylist; 
import java.util.collection; 
import java.util.iterator; 
import java.util.list; 
 
import org.jivesoftware.smack.chat; 
import org.jivesoftware.smack.connectionconfiguration; 
import org.jivesoftware.smack.messagelistener; 
import org.jivesoftware.smack.packetlistener; 
import org.jivesoftware.smack.smackconfiguration; 
import org.jivesoftware.smack.xmppconnection; 
import org.jivesoftware.smack.xmppexception; 
import org.jivesoftware.smack.packet.message; 
import org.jivesoftware.smack.packet.packet; 
import org.jivesoftware.smack.provider.providermanager; 
import org.jivesoftware.smackx.form; 
import org.jivesoftware.smackx.formfield; 
import org.jivesoftware.smackx.servicediscoverymanager; 
import org.jivesoftware.smackx.muc.defaultparticipantstatuslistener; 
import org.jivesoftware.smackx.muc.defaultuserstatuslistener; 
import org.jivesoftware.smackx.muc.discussionhistory; 
import org.jivesoftware.smackx.muc.hostedroom; 
import org.jivesoftware.smackx.muc.invitationlistener; 
import org.jivesoftware.smackx.muc.invitationrejectionlistener; 
import org.jivesoftware.smackx.muc.multiuserchat; 
import org.jivesoftware.smackx.muc.roominfo; 
import org.jivesoftware.smackx.muc.subjectupdatedlistener; 
import org.jivesoftware.smackx.packet.chatstateextension; 
import org.jivesoftware.smackx.packet.discoverinfo; 
import org.jivesoftware.smackx.packet.discoveritems; 
import org.jivesoftware.smackx.packet.offlinemessageinfo; 
import org.jivesoftware.smackx.packet.offlinemessagerequest; 
import org.jivesoftware.smackx.provider.adhoccommanddataprovider; 
import org.jivesoftware.smackx.provider.bytestreamsprovider; 
import org.jivesoftware.smackx.provider.dataformprovider; 
import org.jivesoftware.smackx.provider.discoverinfoprovider; 
import org.jivesoftware.smackx.provider.discoveritemsprovider; 
import org.jivesoftware.smackx.provider.ibbproviders; 
import org.jivesoftware.smackx.provider.mucadminprovider; 
import org.jivesoftware.smackx.provider.mucownerprovider; 
import org.jivesoftware.smackx.provider.mucuserprovider; 
import org.jivesoftware.smackx.provider.streaminitiationprovider; 
import org.jivesoftware.smackx.provider.vcardprovider; 
import org.jivesoftware.smackx.provider.xhtmlextensionprovider; 
 
public class testsmack2 { 
  public static void main(string[] args) {xmppconnection.debug_enabled = true
    final connectionconfiguration connectionconfig = new connectionconfiguration("pc2010102716", 5222, "");
    connectionconfig.setsaslauthenticationenabled(false); 
    providermanager pm = providermanager.getinstance(); 
    configure(pm); 
    try
      xmppconnection connection = new xmppconnection(connectionconfig); 
      connection.connect();//连接 
      initfeatures(connection); 
      connection.login("test", "test");//登陆 
      //聊天室 
      //multiuserchat multiuserchat = new multiuserchat(connection, new invitationlistener() {});
       //查找服务 
      system.out.println(connection.getservicename()); 
      list<string> col = getconferenceservices(connection.getservicename(), connection);
      for (object acol : col) { 
        string service = (string) acol; 
         //查询服务器上的聊天室 
        collection<hostedroom> rooms = multiuserchat.gethostedrooms(connection, service);
        for(hostedroom room : rooms) { 
          //查看room消息 
          system.out.println(room.getname() + " - " +room.getjid()); 
          roominfo roominfo = multiuserchat.getroominfo(connection, room.getjid());
          if(roominfo != null) { 
            system.out.println(roominfo.getoccupantscount() + " : " + roominfo.getsubject());
          }  
         }  
      
     
      /*---创建默认配置的聊天室 ---
      先看看官方的文档:
      creates a new multi user chat with the specified connection and room name. note: no
         * information is sent to or received from the server until you attempt to
         * {@link #join(string) join} the chat room. on some server implementations,
         * the room will not be created until the first person joins it
         * 最重要一句:直到用户调用join方法的时候聊天室才会被创建
         */ 
      multiuserchat muc = new multiuserchat(connection, "instant@conference.pc2010102716");
       muc.create("user1"); 
      muc.sendconfigurationform(new form(form.type_submit)); 
     
      //----创建手动配置聊天室---- 
      muc = new multiuserchat(connection, "reserved4@conference.pc2010102716"); 
     
      //销毁聊天室 
      //muc.destroy("test", null); 
      muc.create("user2"); 
      //获取聊天室的配置表单 
      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) {
          submitform.setdefaultanswer(field.getvariable()); 
        
      
      //重新设置聊天室名称 
      submitform.setanswer("muc#roomconfig_roomname", "reserved4 room"); 
      //设置聊天室的新拥有者 
      list<string> owners = new arraylist<string>(); 
      owners.add("test@pc2010102716"); 
      submitform.setanswer("muc#roomconfig_roomowners", owners); 
      //设置密码 
      submitform.setanswer("muc#roomconfig_passwordprotectedroom", true); 
      submitform.setanswer("muc#roomconfig_roomsecret", "reserved"); 
      //设置描述 
      submitform.setanswer("muc#roomconfig_roomdesc", "新创建的reserved聊天室"); 
      //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); 
      //发送已完成的表单到服务器配置聊天室 
      muc.sendconfigurationform(submitform); 
     
      //加入聊天室(使用昵称喝醉的毛毛虫 ,使用密码ddd) 
      muc = new multiuserchat(connection, "ddd@conference.pc2010102716"); 
      muc.join("喝醉的毛毛虫", "ddd"); 
     
      //监听消息 
      muc.addmessagelistener(new packetlistener() { 
        @override 
        public void processpacket(packet packet) { 
          message message = (message) packet; 
          system.out.println(message.getfrom() + " : " + message.getbody());; 
        
      }); 
     
      //muc = new multiuserchat(connection, "ddd@conference.pc2010102716"); 
      //muc.join("喝醉的毛毛虫", "ddd"); 
     
      //加入聊天室(使用昵称喝醉的毛毛虫 ,使用密码ddd)并且获取聊天室里最后5条信息, 
      //注:addmessagelistener监听器必须在此join方法之前,否则无法监听到需要的5条消息 
      muc = new multiuserchat(connection, "ddd@conference.pc2010102716"); 
      discussionhistory history = new discussionhistory(); 
      history.setmaxstanzas(5); 
      muc.join("喝醉的毛毛虫", "ddd", history, smackconfiguration.getpacketreplytimeout()); 
     
      //监听拒绝加入聊天室的用户 
      muc.addinvitationrejectionlistener(new invitationrejectionlistener() { 
        @override 
        public void invitationdeclined(string invitee, string reason) { 
        system.out.println(invitee + " reject invitation, reason is " + reason); 
        
      }); 
      //邀请用户加入聊天室 
      muc.invite("test3@pc2010102716", "大家来谈谈人生"); 
      //监听邀请加入聊天室请求 
      multiuserchat.addinvitationlistener(connection, new invitationlistener() { 
        @override 
        public void invitationreceived(xmppconnection conn, string room, string inviter, string reason, string password, message message) { 
        //例:直接拒绝邀请 
        multiuserchat.decline(conn, room, inviter, "你丫很闲啊!"); 
        
      }); 
     
     
      //根据roomjid获取聊天室信息 
      roominfo roominfo = multiuserchat.getroominfo(connection, "ddd@conference.pc2010102716");
       system.out.println(roominfo.getroom() + "-" + roominfo.getsubject() + "-" + roominfo.getoccupantscount());
        
      //判断用户是否支持multi-user聊天协议 
      //注:需要加上资源标识符 
      boolean supports = multiuserchat.isserviceenabled(connection, "test3@pc2010102716/spark");
       //获取某用户所加入的聊天室 
      if(supports) { 
        iterator<string> joinedrooms = multiuserchat.getjoinedrooms(connection, "test3@pc2010102716/spark");
        while(joinedrooms.hasnext()) { 
          system.out.println("test3 has joined room " + joinedrooms.next()); 
        
      
     
      //与聊天室用户私聊 
      chat chat = muc.createprivatechat("ddd@conference.pc2010102716/飞鸟", new messagelistener() {
         @override 
         public void processmessage(chat chat, message message) { 
           system.out.println("private chat: received message from " + message.getfrom() + "-" + message.getbody());
         
      }); 
      chat.sendmessage("今天不用加班吧?"); 
     
      //改变聊天室主题 
      muc.addsubjectupdatedlistener(new subjectupdatedlistener() { 
        @override 
        public void subjectupdated(string subject, string from) { 
          system.out.println("subject updated to " + subject +" by " + from); 
        
      }); 
      //muc.changesubject("new subject11"); 
     
      /*一个成员可能有四种角色:
      1:主持者(moderator) (权限最大的角色,管理其他成员在聊天室中的角色
      2:参与者(participant
      3:游客 (visitor) (不能向所有成员发送消息)
      4:无(没有角色)(none)
      */ 
     
      /*聊天室用户可以有5种从属关系
       * 1、所有者 owner
       * 2、管理员 admin
       * 3、成员 member
       * 4、被驱逐者 outcast
       * 5、无(不存在从属关系) none
       */
     
      //配置聊天室为moderated聊天室 
      form = muc.getconfigurationform(); 
      form answerform = form.createanswerform(); 
      answerform.setanswer("muc#roomconfig_moderatedroom", "1"); 
      muc.sendconfigurationform(answerform); 
     
      //监听自己的状态变更和事件 
      muc.adduserstatuslistener(new defaultuserstatuslistener() { 
        @override
        public void voicerevoked() { 
          super.voicerevoked(); 
          system.out.println("你被禁言了!"); 
        
       
        @override
        public void voicegranted() { 
          super.voicegranted(); 
          system.out.println("你被批准发言了!"); 
        
       
        @override
        public void membershipgranted() { 
          super.membershipgranted(); 
          system.out.println("你被赋予了member权限"); 
        
       
        @override
        public void membershiprevoked() { 
          super.membershiprevoked(); 
          system.out.println("你被解除了member权限"); 
        
       
        @override
        public void admingranted() { 
          super.admingranted(); 
          system.out.println("你被赋予了管理员权限"); 
        
       
        @override
        public void adminrevoked() { 
        super.adminrevoked(); 
        system.out.println("你被解除了管理员权限"); 
        
      //...... 
      }); 
      //房主(owner)批准test3发言权 
      muc.grantvoice("test3@pc2010102716"); 
     
      //监听他人状态变更 
      muc.addparticipantstatuslistener(new defaultparticipantstatuslistener() { 
     
        @override
        public void voicegranted(string participant) { 
          super.voicegranted(participant); 
        system.out.println(participant + "被批准发言了!"); 
        
       
        @override
        public void voicerevoked(string participant) { 
          super.voicerevoked(participant); 
          system.out.println(participant + "被禁言了!"); 
        
       
        @override
        public void membershiprevoked(string participant) { 
          super.membershiprevoked(participant); 
        
       
        @override
        public void admingranted(string participant) { 
          super.admingranted(participant); 
        
       
        @override
        public void adminrevoked(string participant) { 
          super.adminrevoked(participant); 
        
     
      }); 
     
      //房主(owner)批准test3管理员特权 
      muc.grantadmin("test3@pc2010102716"); 
   
   
      //发送消息 
      bufferedreader cmdin = new bufferedreader(new inputstreamreader(system.in)); 
      while(true) { 
        try
           string cmd = cmdin.readline(); 
           if("!q".equalsignorecase(cmd)) { 
             break
           
         }catch(exception ex) { 
         
      
      connection.disconnect(); 
      system.exit(0);    
    } catch (exception e) { 
      e.printstacktrace(); 
    
  
 
  public static list<string> getconferenceservices(string server, xmppconnection connection) throws exception {
   list<string> answer = new arraylist<string>(); 
      servicediscoverymanager discomanager = servicediscoverymanager.getinstancefor(connection);
       discoveritems items = discomanager.discoveritems(server); 
      for (iterator<discoveritems.item> it = items.getitems(); it.hasnext();) {
         discoveritems.item item = (discoveritems.item)it.next(); 
        if (item.getentityid().startswith("conference") || item.getentityid().startswith("private")) {
           answer.add(item.getentityid()); 
        
        else
          try
            discoverinfo info = discomanager.discoverinfo(item.getentityid());
             if (info.containsfeature("http://jabber.org/protocol/muc")) {
               answer.add(item.getentityid()); 
            
          
          catch (xmppexception e) { 
          
        
      
      return answer; 
    
 
 
  private static void configure(providermanager pm) { 
    // service discovery # items 
    pm.addiqprovider("query", "http://jabber.org/protocol/disco#items", new discoveritemsprovider());
     // service discovery # info 
    pm.addiqprovider("query", "http://jabber.org/protocol/disco#info", new discoverinfoprovider());
      
    // service discovery # items 
    pm.addiqprovider("query", "http://jabber.org/protocol/disco#items", new discoveritemsprovider());
     // service discovery # info 
    pm.addiqprovider("query", "http://jabber.org/protocol/disco#info", new discoverinfoprovider());
      
    //offline message requests 
    pm.addiqprovider("offline","http://jabber.org/protocol/offline", new offlinemessagerequest.provider());
        //offline message indicator 
        pm.addextensionprovider("offline","http://jabber.org/protocol/offline", new offlinemessageinfo.provider());    
          
    //vcard 
    pm.addiqprovider("vcard","vcard-temp", new vcardprovider()); 
 
    //filetransfer 
    pm.addiqprovider("si","http://jabber.org/protocol/si", new streaminitiationprovider());
        pm.addiqprovider("query","http://jabber.org/protocol/bytestreams", new bytestreamsprovider());
        pm.addiqprovider("open","http://jabber.org/protocol/ibb", new ibbproviders.open());
        pm.addiqprovider("close","http://jabber.org/protocol/ibb", new ibbproviders.close());
        pm.addextensionprovider("data","http://jabber.org/protocol/ibb", new ibbproviders.data());    
        //data forms 
      pm.addextensionprovider("x", "jabber:x:data", new dataformprovider()); 
      //html 
      pm.addextensionprovider("html", "http://jabber.org/protocol/xhtml-im", new xhtmlextensionprovider());
      //ad-hoc command 
      pm.addiqprovider("command", "http://jabber.org/protocol/commands", new adhoccommanddataprovider());    
    // chat state 
    chatstateextension.provider chatstate = new chatstateextension.provider(); 
    pm.addextensionprovider("active", "http://jabber.org/protocol/chatstates", chatstate);
    pm.addextensionprovider("composing", "http://jabber.org/protocol/chatstates"
      chatstate); 
    pm.addextensionprovider("paused", "http://jabber.org/protocol/chatstates", chatstate);
    pm.addextensionprovider("inactive", "http://jabber.org/protocol/chatstates", chatstate);
    pm.addextensionprovider("gone", "http://jabber.org/protocol/chatstates", chatstate);
    //muc user,admin,owner 
    pm.addextensionprovider("x", "http://jabber.org/protocol/muc#user", new mucuserprovider());
    pm.addiqprovider("query", "http://jabber.org/protocol/muc#admin", new mucadminprovider());
    pm.addiqprovider("query", "http://jabber.org/protocol/muc#owner", new mucownerprovider());
  
 
  private static void initfeatures(xmppconnection xmppconnection) { 
    servicediscoverymanager.setidentityname("android_im"); 
    servicediscoverymanager.setidentitytype("phone"); 
    servicediscoverymanager sdm = servicediscoverymanager.getinstancefor(xmppconnection);
     if(sdm == null) { 
    sdm = new servicediscoverymanager(xmppconnection); 
    
    sdm.addfeature("http://jabber.org/protocol/disco#info"); 
    sdm.addfeature("http://jabber.org/protocol/caps"); 
    sdm.addfeature("urn:xmpp:avatar:metadata"); 
    sdm.addfeature("urn:xmpp:avatar:metadata+notify"); 
    sdm.addfeature("urn:xmpp:avatar:data"); 
    sdm.addfeature("http://jabber.org/protocol/nick"); 
    sdm.addfeature("http://jabber.org/protocol/nick+notify"); 
    sdm.addfeature("http://jabber.org/protocol/xhtml-im"); 
    sdm.addfeature("http://jabber.org/protocol/muc"); 
    sdm.addfeature("http://jabber.org/protocol/commands"); 
    sdm.addfeature("http://jabber.org/protocol/si/profile/file-transfer"); 
    sdm.addfeature("http://jabber.org/protocol/si"); 
    sdm.addfeature("http://jabber.org/protocol/bytestreams"); 
    sdm.addfeature("http://jabber.org/protocol/ibb"); 
    sdm.addfeature("http://jabber.org/protocol/feature-neg"); 
    sdm.addfeature("jabber:iq:privacy"); 
  
 

上面有两张spark客户端的聊天室列表占有者一列不同的原因:当使用以下代码获取时不能获取occupantscount和subject的值:  

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system.out.println(roominfo.getoccupantscount() + " : " + roominfo.getsubject());

这是由于openfire端有个bug(暂且这样说吧,我不知为什么openfire这样做).首先修改smack的一个bug,修改roominfo类的roominfo(discoverinfo info) 方法:         

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iterator<string> values = form.getfield("muc#roominfo_subject").getvalues();
if (values.hasnext()) {
  this.subject = values.next();
}
else {
  this.subject = "";
}

改为:   

?
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final formfield subjfield = form.getfield("muc#roominfo_subject"); 
this.subject = subjfield == null ? "" : subjfield.getvalues().next();

  修改openfire的源码,org/jivesoftware/openfire/muc/spi/multiuserchatserviceimpl类的public dataform getextendedinfo(string name, string node, jid senderjid) 方法:         

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/*final formfield fieldocc = dataform.addfield(); */
fieldsubj.setvariable("muc#roominfo_occupants");
fieldsubj.setlabel(localeutils.getlocalizedstring("muc.extended.info.occupants"));
fieldsubj.addvalue(integer.tostring(room.getoccupantscount()));

  
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()));  

Android中基于XMPP协议实现IM聊天程序与多人聊天室

Android中基于XMPP协议实现IM聊天程序与多人聊天室

Android中基于XMPP协议实现IM聊天程序与多人聊天室

Android中基于XMPP协议实现IM聊天程序与多人聊天室

Android中基于XMPP协议实现IM聊天程序与多人聊天室

Android中基于XMPP协议实现IM聊天程序与多人聊天室

 

使用asmack开发基于android的im系统同理.

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