android即时通信系统源代码

/*文件：Principal.java 描述：项目IMA 的。主类，为学科发展 工作从天主教大学毕业米纳斯吉拉斯 Pocos 德卡尔达斯 - 爵 开发者： 温贝托 Cerqueira Gobatto 帕德里弗朗西斯克莱特斯考克斯，665 CEP 证书：37701-355 市/州：德卡尔达斯 Pocos - 爵 国家：巴西 日期：2009 年 12 月 邮寄地址：humberto.gobatto@gmail.com*/ package br.android.ima; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import org.jivesoftware.smack.ConnectionConfiguration; 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.app.NotificationManager; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.os.Handler; import android.util.Log; import android.view.MenuItem; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.EditText; import android.widget.ImageView; import android.widget.ListView; import android.widget.Spinner; import android.widget.Toast; import br.android.ima.dialog.SettingsDialog; import br.android.ima.notificacao.ServicoNotificaChat; public class Principal extends Activity { /** Called when the activity is first created. */ private ArrayList messages = new ArrayList(); private Handler mHandler = new Handler(); private SettingsDialog xmppConecta; private EditText editDestino = null; private String txtEmail = null; private EditText editMens = null; pri...