我尝试按照本博客中的建议实现聊天支持。
目前,我正在使用以下代码来实现聊天界面。
爪哇代码
测试聊天活动.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.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?还是这种方法错误地连接Facebook聊天?
因为我在这方面做了很多研发,Facebook支持XMPP聊天支持,正如Facebook XMPP聊天设置中所讨论的那样,所以,因为我认为这应该是工作。
任何在Android中实现Facebook聊天的人都可以帮助我解决这个问题。
提前感谢...!!
我已经检查了Beem项目的所有代码,并找到了连接Facebook聊天API的解决方案。
在Android中实现Facebook聊天API的步骤:
-
首先,我们必须在现有项目中实现MemorizingTrustManager库项目。
=>为此,您必须在现有项目中复制以下三个文件
- MemorizingTrustManager/src/de/duenndns/ssl/MTMDecision.java
- MemorizingTrustManager/src/de/duenndns/ssl/MemorizingActivity.java
- MemorizingTrustManager/src/de/duenndns/ssl/MemorizingTrustManager.java
=>并在值/字符串中添加以下值.xml
<resources> <string name="mtm_accept_cert">Accept Unknown Certificate?</string> <string name="mtm_decision_always">Always</string> <string name="mtm_decision_once">Once</string> <string name="mtm_decision_abort">Abort</string> <string name="mtm_notification">Certificate Verification</string> </resources>
-
第二步,您可以使用以下代码与Facebook连接并使用您的Facebook Jabber ID (username@chat.facebook.com)登录,而不是使用诸如X-FACEBOOK-PLATFORM之类的SASLAuthentication
。public void connectToFb() throws XMPPException { ConnectionConfiguration config = new ConnectionConfiguration("chat.facebook.com", 5222); config.setSASLAuthenticationEnabled(true); config.setSecurityMode(SecurityMode.required); config.setRosterLoadedAtLogin(true); config.setTruststorePath("/system/etc/security/cacerts.bks"); config.setTruststorePassword("changeit"); config.setTruststoreType("bks"); config.setSendPresence(false); try { SSLContext sc = SSLContext.getInstance("TLS"); sc.init(null, MemorizingTrustManager.getInstanceList(this), new java.security.SecureRandom()); config.setCustomSSLContext(sc); } catch (GeneralSecurityException e) { Log.w("TAG", "Unable to use MemorizingTrustManager", e); } XMPPConnection xmpp = new XMPPConnection(config); try { xmpp.connect(); xmpp.login("facebookusername", "****"); // Here you have to used only facebookusername from facebookusername@chat.facebook.com Roster roster = xmpp.getRoster(); Collection<RosterEntry> entries = roster.getEntries(); System.out.println("Connected!"); System.out.println("nn" + entries.size() + " buddy(ies):"); // shows first time onliners----> String temp[] = new String[50]; int i = 0; for (RosterEntry entry : entries) { String user = entry.getUser(); Log.i("TAG", user); } } catch (XMPPException e) { xmpp.disconnect(); e.printStackTrace(); } }
最后,如果您在LogCat视图中获得Facebook帐户的所有好友列表,则可以使用本教程实现简单的Facebook聊天。
更新:我也在开发作为Facebook Messenger工作的示例应用程序,并很快发布在GitHub上。