안드로이드용 xmpp client

smack라이브러는 http://code.google.com/p/asmack/ 에서 가져온걸 사용합니다.

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<EditText  
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:id="@+id/edit"
    />    
<Button
	android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:id="@+id/btn"
    android:text="전송"	
	/>    
<TextView  
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content"
    android:id="@+id/recieve_msg" 
    android:background="#ffffff"
    android:textColor="#050505"
    android:text=""
    />
</LinearLayout>

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import org.jivesoftware.smack.Chat;
import org.jivesoftware.smack.Connection;
import org.jivesoftware.smack.MessageListener;
import org.jivesoftware.smack.PacketListener;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.filter.MessageTypeFilter;
import org.jivesoftware.smack.filter.PacketFilter;
import org.jivesoftware.smack.packet.Message;
import org.jivesoftware.smack.packet.Packet;
import org.jivesoftware.smack.util.StringUtils;

public class SmackAppActivity extends Activity {
	Connection connection;
	Chat chat;
	Handler mHandler = new Handler();  
	String recieveMsg = "";
	
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        connection = new XMPPConnection("호스트");
		try {
			connection.connect();
			connection.login("admin", "admin");
            sendMessage("수신자@호스트", "안녕하세요. SmackApp이 실행되었습니다.");
			
			PacketFilter filter = new MessageTypeFilter(Message.Type.chat);
			connection.addPacketListener(new PacketListener() {
                public void processPacket(Packet packet) {
                    Message message = (Message) packet;
                    if (message.getBody() != null) {
                        String fromName = StringUtils.parseBareAddress(message.getFrom());
                        Log.i("SmackApp", "Received message [" + message.getBody() + "] from [" + fromName + "]");
                        recieveMsg = message.getBody();
                        mHandler.post(new Runnable() {   
                            public void run() {   
                            	TextView view = (TextView)findViewById(R.id.recieve_msg);
            					view.append(recieveMsg+"\r\n");   
                            }   
                        }); 					
                    }
                }
            }, filter);
			
		} catch (XMPPException e) {
			Log.e("SmackApp", "smack", e);
		} catch (Exception ae){
			Log.e("SmackApp", "smack", ae);
		}
		//connection.disconnect();
		
		Button btn = (Button)findViewById(R.id.btn);
		btn.setOnClickListener(new Button.OnClickListener(){

			@Override
			public void onClick(View v) {
				EditText edit = (EditText)findViewById(R.id.edit);
				String sendMsg = edit.getText().toString();
		        sendMessage("수신자@호스트", sendMsg);
			}
		});
		
		TextView view = (TextView)findViewById(R.id.recieve_msg);
		view.append("수신메세지:"+"\r\n");
    }
    
    private void sendMessage(String to, String message){
    	Message msg = new Message(to, Message.Type.chat);   
        msg.setBody(message);   
        connection.sendPacket(msg);
    }
}