Android studio使用smack连接xmpp服务器收发消息

我使用的是ejabberd16.09的linux版本,安装教程网上有很多,我在这里只介绍一下android端连接、登录和收发消息的方法。文章最后附上了我写的一个demo,欢迎大家参考。
ejabberd官网地址:点击打开链接
进入正题,我使用的是smack4.1.2包,需要在android studio的build.gradle文件中加入

compile ("org.igniterealtime.smack:smack-android-extensions:4.1.2") {  
    exclude group: 'xpp3', module: 'xpp3'  
}  
compile ("org.igniterealtime.smack:smack-android:4.1.2") {  
    exclude group: 'xpp3', module: 'xpp3'  
}  
// Optional for XMPPTCPConnection  
    compile ("org.igniterealtime.smack:smack-tcp:4.1.2") {  
exclude group: 'xpp3', module: 'xpp3'  
}  
// Optional for XMPP-IM (RFC 6121) support (Roster, Threaded Chats, …)  
compile ("org.igniterealtime.smack:smack-im:4.1.2") {  
    exclude group: 'xpp3', module: 'xpp3'  
}  

点击 "Sync Project with Gradle Files"按钮即可将smack4.1.2引入项目中

下面介绍连接和登录的方法,并带有监听收到消息的方法

 private XMPPTCPConnection con;  
 private Runnable XmppThread = new Runnable(){  
    @Override  
    public void run() {  
        boolean tag = false;  
        XMPPTCPConnectionConfiguration.Builder config = XMPPTCPConnectionConfiguration.builder();  
        config.setHost("192.168.26.38");              //设置ejabberd主机IP  
        config.setServiceName("h.com");         //设置ejabberd服务器名称  
        config.setPort(5222);                   //设置端口号:默认5222  
        config.setUsernameAndPassword("admin", "111111");    //设置用户名与密码  
        config.setSecurityMode(ConnectionConfiguration.SecurityMode.disabled);      //禁用SSL连接  
        config.setSendPresence(true);  
        config.setDebuggerEnabled(true);  
        con = new XMPPTCPConnection(config.build());  
        try {  
            con.connect();  
            tag = con.isConnected();  
            Roster roster = Roster.getInstanceFor(con);  
            try {  
                con.login();  
                Log.e("TAG", "login sucess!!");  
            } catch (Exception e) {  
                e.printStackTrace();  
            }  
            //         设置聊天监听器,监听聊天消息  
            ChatManager chatm = ChatManager.getInstanceFor(con);  
            chatm.addChatListener(new ChatManagerListener() {  
                @Override  
                public void chatCreated(Chat chat, boolean b) {  
                    if (!b) {           //不是本地创建的会话  
                        chat.addMessageListener(new ChatMessageListener() {  
                            @Override  
                            public void processMessage(Chat chat, Message message) {  
                                Log.d("PushTest", message.toString());  
                                Log.d("PushTest", message.getType().toString());  
                                Log.d("PushTest", message.getExtension("extension").toString());  
                                Log.d("PushTest", message.getExtension("extension").getNamespace());  
                                Log.d("PushTest", message.getExtension("extension").getElementName());  
                                DefaultExtensionElement defaultExtensionElement = message.getExtension(  
                                        ELEMENT_NAME,NAME_SPACE);  
                                String name = defaultExtensionElement.getValue("name");  
                                String url = defaultExtensionElement.getValue("url");  
                                Log.d("PushTest", name);  
                                Log.d("PushTest", url);  
                            }  
                        });  
                    }  
                }  
            });  

        } catch (Exception e) {  
            Log.e("TAG", "connect failed!" + e.toString());  
            e.printStackTrace();  

        }  
        if(tag){  
            handler.sendEmptyMessage(0x00);  
        }else{  
            handler.sendEmptyMessage(0x01);  
        }  
    }  
};  

其中的

DefaultExtensionElement defaultExtensionElement = message.getExtension(  
      ELEMENT_NAME,NAME_SPACE);  
String name = defaultExtensionElement.getValue("name");  
String url = defaultExtensionElement.getValue("url");  

是我在服务端发送消息时加的Message的属性拓展,定义如下:

import org.jivesoftware.smack.packet.ExtensionElement;  

public class Received implements ExtensionElement  {  
{  
  
    private static final String NAME_SPACE = "extension";  
    private static final String ELEMENT_NAME = "userinfo";  
  
    //用户姓名元素名称  
    private String nameElement = "name";  
    //用户姓名元素文本(对外开放)  
    private String nameText = "";  

    //用户地址元素名称  
    private String urlElement = "url";      
    //用户地址元素文本(对外开放)  
    private String urlText = "";  

    @Override  
    public String getElementName() {  
        return ELEMENT_NAME;  
    }  

    @Override  
    public String getNamespace() {  
        return NAME_SPACE;  
    }  

    @Override  
    public CharSequence toXML() {  
        StringBuilder sb = new StringBuilder();  

        sb.append("    <").append(ELEMENT_NAME).append(" xmlns=\"").append(NAME_SPACE).append("\">");  
        sb.append("<" + nameElement + ">").append(nameText).append("");  
        sb.append("<" + urlElement + ">").append(urlText).append("");  
        sb.append("");  

        return sb.toString();  
    }  

    public String getNameText() {  
        return nameText;  
    }  

    public void setNameText(String nameText) {  
        this.nameText = nameText;  
    }  

    public String getUrlText() {  
        return urlText;  
    }  

    public void setUrlText(String urlText) {  
        this.urlText = urlText;  
    }  
}  

使用时的方法如下:

    ChatManager chatm = ChatManager.getInstanceFor(mXmppConnection);  
    Chat chat = chatm.createChat("[email protected]", new ChatMessageListener() {        //创建与ly的会话  
        public void processMessage(Chat chat, Message message) {  
            System.out.println("Received message: " + message);  
        }  
        });  
        try {  
            /** 
             * 发送一条消息给ly 
             */  
            Received received = new Received();  
            received.setNameText(name);  
                Message message = new Message();  
                message.setBody(context);  
                message.setTo("[email protected]");  
                message.setFrom("[email protected]");  
                message.addExtension(received);  
                chat.sendMessage(message);  

        } catch (SmackException.NotConnectedException e) {  
            e.printStackTrace();  
        }  

我写了一个小demo,欢迎大家指出不足之处!
Android使用smack连接ejabberd服务器注册、收发消息

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