XMPP openfire 即时通讯

    public void connect() {
    try {
        XMPPTCPConnectionConfiguration configuration =
                XMPPTCPConnectionConfiguration.builder()
                        .setXmppDomain(XMPP_DOMAIN) // 设置域名
                        .setHostAddress(InetAddress.getByName(XMPP_HOST)) // 设置主机
                        .setPort(XMPP_PORT) // 设置端口
                        .setSecurityMode(ConnectionConfiguration.SecurityMode.disabled) // 禁用SSL连接
                        .setCompressionEnabled(false) // 禁用SSL连接
                        //.setSendPresence(false) // 设置为离线状态
                        .setDebuggerEnabled(true) // 开启调试模式
                        .build();
        // 设置需要经过同意才可以添加好友
        Roster.setDefaultSubscriptionMode(Roster.SubscriptionMode.manual);
        AbstractXMPPConnection connection = new XMPPTCPConnection(configuration);
        connection.connect();// 连接, 可设置监听
        connection.addConnectionListener(new XMPPConnectionListener());
        this.mConnection = connection;
        Message msg = new Message();
        msg.what=0;   //标志消息的标志
        myhandler.sendMessage(msg);

    } catch (UnknownHostException e) {
        e.printStackTrace();
    } catch (XmppStringprepException e) {
        e.printStackTrace();
    } catch (InterruptedException | IOException | XMPPException | SmackException e) {
        e.printStackTrace();
    }
}


public class XMPPConnectionListener implements ConnectionListener {

    @Override
    public void connected(XMPPConnection connection) {}

    @Override
    public void authenticated(XMPPConnection connection, boolean resumed) {}

    @Override
    public void connectionClosed() {}

    @Override
    public void connectionClosedOnError(Exception e) {}

    @Override
    public void reconnectionSuccessful() {}

    @Override
    public void reconnectingIn(int seconds) {}

    @Override
    public void reconnectionFailed(Exception e) {}
}