我正在使用 XMPP 协议在 Android 中编写聊天客户端。我使用了 http://asmack.freakempire.de/提供的 asmack.jar 。该实现在我测试过的纯 Java（使用 smack.jar）中工作。但在 Android 中，我只能向其他客户端（他使用 pidgin）发送消息，而无法接收来自他的消息。该应用程序成功连接到服务器，登录并显示在线，但根本没有收到任何消息。
当消息发送给我的客户时，我processMessage()永远不会被调用。chatCreated()
我的活动课：
package com.example.basicchat;
import org.jivesoftware.smack.AndroidConnectionConfiguration;
import org.jivesoftware.smack.Chat;
import org.jivesoftware.smack.ChatManager;
import org.jivesoftware.smack.ChatManagerListener;
import org.jivesoftware.smack.ConnectionListener;
import org.jivesoftware.smack.MessageListener;
import org.jivesoftware.smack.SmackAndroid;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.packet.Message;
import android.app.Activity;
import android.os.Bundle;
import android.widget.Toast;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
SmackAndroid.init(this);
MainActivity2 xmppClient= new MainActivity2("jabber.org", 5222);
try {
xmppClient.login();
} catch (XMPPException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public class MainActivity2 implements MessageListener, ChatManagerListener, ConnectionListener {
private String server;
private int port;
public MainActivity2( String server, int port )
{
super();
this.server = server;
this.port = port;
}
private XMPPConnection connection = null;
public void login() throws XMPPException
{
String username = "my_user";
String password = "xxxxxxxx";
login(username, password);
}
private void login(String userName, String password) throws XMPPException
{
AndroidConnectionConfiguration config = new AndroidConnectionConfiguration(server,
port);
connection = new XMPPConnection(config);
connection.connect();
connection.addConnectionListener(this);
connection.login(userName, password);
ChatManager chatManager = connection.getChatManager();
chatManager.addChatListener(this);
Toast.makeText(MainActivity.this,"listener set", Toast.LENGTH_SHORT).show();
// sendMessage("helloooo","command_server@jabber.org"); /* this mssg is sent */
}
private void sendMessage(String message, String to) throws XMPPException
{
Chat chat = connection.getChatManager().createChat(to, this);
chat.sendMessage(message);
}
public void disconnect()
{
connection.disconnect();
}
/** never gets called **/
@Override
public void processMessage(Chat chat, Message message)
{
/*********** Handle Request and construct response ******************/
Toast.makeText(MainActivity.this,"mssg: "+message.getBody(), Toast.LENGTH_SHORT).show();
switch (message.getType())
{
case chat:
String jsonData = (null==message.getBody())?"":message.getBody();
System.out.println(jsonData);
break;
case error:
break;
case groupchat:
break;
case headline:
break;
case normal:
break;
}
}
@Override
public void chatCreated(Chat arg0, boolean arg1) {
// TODO Auto-generated method stub
Toast.makeText(MainActivity.this,"Chat Created!", Toast.LENGTH_SHORT).show();
if (!arg1)
arg0.addMessageListener(this);
}
@Override
public void connectionClosed() {
// TODO Auto-generated method stub
}
@Override
public void connectionClosedOnError(Exception arg0) {
// TODO Auto-generated method stub
}
@Override
public void reconnectingIn(int arg0) {
// TODO Auto-generated method stub
}
@Override
public void reconnectionFailed(Exception arg0) {
// TODO Auto-generated method stub
}
@Override
public void reconnectionSuccessful() {
// TODO Auto-generated method stub
}
}
}
清单文件：
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.basicchat"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk android:minSdkVersion="8" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme"
>
<activity
android:name="com.example.basicchat.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>