我尝试按照此博客中的建议实施聊天支持。
目前，我正在使用以下代码来实现聊天界面。
Java 代码
TestChatActivity.java
import java.util.ArrayList;
import org.jivesoftware.smack.ConnectionConfiguration;
import org.jivesoftware.smack.ConnectionConfiguration.SecurityMode;
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.packet.Presence;
import org.jivesoftware.smack.util.StringUtils;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
public class TestChatActivity extends Activity implements OnClickListener {
private ArrayList<String> messages = new ArrayList();
private Handler mHandler = new Handler();
private EditText mRecipient;
private EditText mSendText;
private ListView mList;
private XMPPConnection mConnection;
private String mHost, mPort, mService, mUsername, mPassword;
private ConnectionConfiguration mConnConfig;
private String TAG;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
initLayout();
// initGtalk();
initFB();
// Create a connection
createConnection();
// login
loginToXMPP();
}
void initLayout() {
Log.i("XMPPClient", "onCreate called");
setContentView(R.layout.main);
mRecipient = (EditText) this.findViewById(R.id.recipient);
Log.i("XMPPClient", "mRecipient = " + mRecipient);
mSendText = (EditText) this.findViewById(R.id.sendText);
Log.i("XMPPClient", "mSendText = " + mSendText);
mList = (ListView) this.findViewById(R.id.listMessages);
Log.i("XMPPClient", "mList = " + mList);
// Set a listener to send a chat text message
Button send = (Button) this.findViewById(R.id.send);
send.setOnClickListener(this);
setListAdapter();
}
void initGtalk() {
mHost = "talk.google.com";
mPort = "5222";
mService = "gmail";
mUsername = "abc@gmail.com";
mPassword = "password";
// Set Default recipients for Gtalk
mRecipient.setText("default_buddy@gmail.com");
}
void initFB() {
mHost = "chat.facebook.com";
mPort = "5222";
mService = "xmpp";
mUsername = "userid@chat.facebook.com";
mPassword = "password";
// Set Default recipients for FB
mRecipient.setText("new_userid@chat.facebook.com");
}
void createConnection() {
mConnConfig = new ConnectionConfiguration(mHost,
Integer.parseInt(mPort), mService);
mConnConfig.setSecurityMode(SecurityMode.required);
mConnConfig.setSASLAuthenticationEnabled(true);
mConnection = new XMPPConnection(mConnConfig);
try {
mConnection.connect();
Log.i("XMPPClient",
"[SettingsDialog] Connected to " + mConnection.getHost());
} catch (XMPPException ex) {
Log.e("XMPPClient", "[SettingsDialog] Failed to connect to "
+ mConnection.getHost());
Log.e("XMPPClient", ex.toString());
setConnection(null);
}
}
void loginToXMPP() {
try {
mConnection.login(mUsername, mPassword);
Log.i("XMPPClient", "Logged in as " + mConnection.getUser());
// Set the status to available
Presence presence = new Presence(Presence.Type.available);
mConnection.sendPacket(presence);
setConnection(mConnection);
} catch (XMPPException ex) {
Log.e("XMPPClient", "[SettingsDialog] Failed to log in as "
+ mUsername);
Log.e("XMPPClient", ex.toString());
setConnection(null);
}
}
/**
* Called by Settings dialog when a connection is established with the XMPP
* server
*
* @param connection
*/
public void setConnection(XMPPConnection connection) {
this.mConnection = connection;
if (connection != null) {
// Add a packet listener to get messages sent to us
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("XMPPClient", "Got text [" + message.getBody()
+ "] from [" + fromName + "]");
messages.add(fromName + ":");
messages.add(message.getBody());
// Add the incoming message to the list view
mHandler.post(new Runnable() {
public void run() {
setListAdapter();
}
});
}
}
}, filter);
}
}
private void setListAdapter() {
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
R.layout.multi_line_list_item, messages);
mList.setAdapter(adapter);
}
public void onClick(View v) {
if (v.getId() == R.id.send) {
String to = mRecipient.getText().toString();
String text = mSendText.getText().toString();
Log.i("XMPPClient", "Sending text [" + text + "] to [" + to + "]");
Message msg = new Message(to, Message.Type.chat);
msg.setBody(text);
mConnection.sendPacket(msg);
messages.add(mConnection.getUser() + ":");
messages.add(text);
setListAdapter();
}
}
}
布局
主要的.xml
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:minWidth="70dp"
android:text="Recipient:" />
<EditText
android:id="@+id/recipient"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:autoText="false"
android:capitalize="none"
android:minWidth="250dp"
android:scrollHorizontally="true"
android:singleLine="true"
android:textSize="16sp" />
</LinearLayout>
<ListView
android:id="@+id/listMessages"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:scrollbars="horizontal" />
<EditText
android:id="@+id/sendText"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:autoText="false"
android:capitalize="none"
android:scrollHorizontally="true"
android:singleLine="true"
android:textSize="16sp" />
<Button
android:id="@+id/send"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Send" >
</Button>
</LinearLayout>
multi_line_list_item.xml
<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/text1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:singleLine="false"
android:textStyle="bold" />
上面的代码使用Asmack库
Google Talk 对我来说工作正常，但 Facebook 聊天不适用于此代码。:(
是否有任何用于 Facebook 聊天连接的特殊配置？或者这种方法与 Facebook 聊天连接错误？
因为我在这方面做了很多研发，并且 Facebook 支持 XMPP 聊天支持，如Facebook XMPP 聊天设置中所讨论的，所以我认为这应该可行。
任何人在 android 中实现了 Facebook 聊天都可以帮助我解决这个问题。
提前致谢...！！！