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  1. 2010.10.28 Android Smack example 5
Android/XMPP2010. 10. 28. 19:47

Android Smack example


http://davanum.wordpress.com/2007/12/31/android-just-use-smack-api-for-xmpp/


Android – Just Use Smack API For XMPP

Filed under: Uncategorized — Davanum Srinivas @ 9:36 am

OUTDATED SAMPLE – Updated code is here:


http://davanum.wordpress.com/2008/12/29/updated-xmpp-client-for-android/

Using Smack XMPP API From Android

Once you get tired of the limitations of android’s built-in IMProvider and the corresponding API – IXmppSession and IXmppService, try the sample below. Inside the source/binary zip (bottom of this article) you will find a smack.jar that works with android. To build the jar yourself, You can download the Smack 3.0.4 sources from here and apply the patch here.

Here Is A Screen Shot Of The XMPP Settings Dialog.

1

Notes



  • For GTalk, use “gtalk.google.com” as host with port 5222. The service name is “gmail.com”

  • Don’t add “@gmail.com” in the user name, just the id will do

Here’s The Code For The Settings Dialog

01 package org.apache.android.xmpp;
02  
03 import android.app.Dialog;
04 import android.util.Log;
05 import android.view.View;
06 import android.widget.Button;
07 import android.widget.EditText;
08 import org.jivesoftware.smack.ConnectionConfiguration;
09 import org.jivesoftware.smack.XMPPConnection;
10 import org.jivesoftware.smack.XMPPException;
11 import org.jivesoftware.smack.packet.Presence;
12  
13 /**
14  * Gather the xmpp settings and create an XMPPConnection
15  */
16 public class SettingsDialog extends Dialog implements android.view.View.OnClickListener {
17     private XMPPClient xmppClient;
18  
19     public SettingsDialog(XMPPClient xmppClient) {
20         super(xmppClient);
21         this.xmppClient = xmppClient;
22     }
23  
24     protected void onStart() {
25         super.onStart();
26         setContentView(R.layout.settings);
27         getWindow().setFlags(4, 4);
28         setTitle("XMPP Settings");
29         Button ok = (Button) findViewById(R.id.ok);
30         ok.setOnClickListener(this);
31     }
32  
33     public void onClick(View v) {
34         String host = getText(R.id.host);
35         String port = getText(R.id.port);
36         String service = getText(R.id.service);
37         String username = getText(R.id.userid);
38         String password = getText(R.id.password);
39  
40         // Create a connection
41         ConnectionConfiguration connConfig =
42                 new ConnectionConfiguration(host, Integer.parseInt(port), service);
43         XMPPConnection connection = new XMPPConnection(connConfig);
44  
45         try {
46             connection.connect();
47             Log.i("XMPPClient", "[SettingsDialog] Connected to " + connection.getHost());
48         } catch (XMPPException ex) {
49             Log.e("XMPPClient", "[SettingsDialog] Failed to connect to " + connection.getHost());
50             xmppClient.setConnection(null);
51         }
52         try {
53             connection.login(username, password);
54             Log.i("XMPPClient", "Logged in as " + connection.getUser());
55  
56             // Set the status to available
57             Presence presence = new Presence(Presence.Type.available);
58             connection.sendPacket(presence);
59             xmppClient.setConnection(connection);
60         } catch (XMPPException ex) {
61             Log.e("XMPPClient", "[SettingsDialog] Failed to log in as " + username);
62             xmppClient.setConnection(null);
63         }
64         dismiss();
65     }
66  
67     private String getText(int id) {
68         EditText widget = (EditText) this.findViewById(id);
69         return widget.getText().toString();
70     }
71 }

Here Is A Screen Shot Of The Main Window.

1

Notes



  • In the Recipient field, make sure you add the “@gmail.com”, not just the user id

Here’s The Code For The Main Activity

001 package org.apache.android.xmpp;
002  
003 import android.app.Activity;
004 import android.os.Bundle;
005 import android.os.Handler;
006 import android.util.Log;
007 import android.view.View;
008 import android.widget.ArrayAdapter;
009 import android.widget.Button;
010 import android.widget.EditText;
011 import android.widget.ListView;
012 import org.jivesoftware.smack.PacketListener;
013 import org.jivesoftware.smack.XMPPConnection;
014 import org.jivesoftware.smack.filter.MessageTypeFilter;
015 import org.jivesoftware.smack.filter.PacketFilter;
016 import org.jivesoftware.smack.packet.Message;
017 import org.jivesoftware.smack.packet.Packet;
018 import org.jivesoftware.smack.util.StringUtils;
019  
020 import java.util.ArrayList;
021  
022 public class XMPPClient extends Activity {
023  
024     private ArrayList<String> messages = new ArrayList();
025     private Handler mHandler = new Handler();
026     private SettingsDialog mDialog;
027     private EditText mRecipient;
028     private EditText mSendText;
029     private ListView mList;
030     private XMPPConnection connection;
031  
032     /**
033      * Called with the activity is first created.
034      */
035     @Override
036     public void onCreate(Bundle icicle) {
037         super.onCreate(icicle);
038         setContentView(R.layout.main);
039  
040         mRecipient = (EditText) this.findViewById(R.id.recipient);
041         mSendText = (EditText) this.findViewById(R.id.sendText);
042         mList = (ListView) this.findViewById(R.id.listMessages);
043         setListAdapter();
044  
045         // Dialog for getting the xmpp settings
046         mDialog = new SettingsDialog(this);
047  
048         // Set a listener to show the settings dialog
049         Button setup = (Button) this.findViewById(R.id.setup);
050         setup.setOnClickListener(new View.OnClickListener() {
051             public void onClick(View view) {
052                 mHandler.post(new Runnable() {
053                     public void run() {
054                         mDialog.show();
055                     }
056                 });
057             }
058         });
059  
060         // Set a listener to send a chat text message
061         Button send = (Button) this.findViewById(R.id.send);
062         send.setOnClickListener(new View.OnClickListener() {
063             public void onClick(View view) {
064                 String to = mRecipient.getText().toString();
065                 String text = mSendText.getText().toString();
066  
067                 Log.i("XMPPClient", "Sending text [" + text + "] to [" + to + "]");
068                 Message msg = new Message(to, Message.Type.chat);
069                 msg.setBody(text);
070                 connection.sendPacket(msg);
071                 messages.add(connection.getUser() + ":");
072                 messages.add(text);
073                 setListAdapter();
074             }
075         });
076     }
077  
078     /**
079      * Called by Settings dialog when a connection is establised with the XMPP server
080      *
081      * @param connection
082      */
083     public void setConnection
084             (XMPPConnection
085                     connection) {
086         this.connection = connection;
087         if (connection != null) {
088             // Add a packet listener to get messages sent to us
089             PacketFilter filter = new MessageTypeFilter(Message.Type.chat);
090             connection.addPacketListener(new PacketListener() {
091                 public void processPacket(Packet packet) {
092                     Message message = (Message) packet;
093                     if (message.getBody() != null) {
094                         String fromName = StringUtils.parseBareAddress(message.getFrom());
095                         Log.i("XMPPClient", "Got text [" + message.getBody() + "] from [" + fromName + "]");
096                         messages.add(fromName + ":");
097                         messages.add(message.getBody());
098                         // Add the incoming message to the list view
099                         mHandler.post(new Runnable() {
100                             public void run() {
101                                 setListAdapter();
102                             }
103                         });
104                     }
105                 }
106             }, filter);
107         }
108     }
109  
110     private void setListAdapter
111             () {
112         ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
113                 R.layout.multi_line_list_item,
114                 messages);
115         mList.setAdapter(adapter);
116     }
117 }

Download Source And APK From Here – XMPPClient.Zip


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