Gtalk基本功能完成

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Android Google OS

Gtalk基本功能完成

上传源代码，供大家参考！
ContactsActivity（Gtalk好友列表）
import com.google.android.gtalkservice.IGTalkService; import com.google.android.gtalkservice.IGTalkSession; import com.google.android.gtalkservice.Presence; import android.view.View; import android.app.Activity; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.content.ServiceConnection; import android.os.Bundle; import android.os.DeadObjectException; import android.os.IBinder; import android.provider.Im; import android.widget.Button; import android.widget.EditText; import android.widget.Toast; public class GtalkActivity extends Activity implements View.OnClickListener { private EditText login_User = null; private EditText login_Pwd = null; private IGTalkSession mGtalkSession = null; private Button Btn_Login = null; private Button Btn_Exit = null; private static final int contactsActivity = 0; public static IGTalkService xmppservice; @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.main); //EditText: account，password login_User = (EditText)this.findViewById(R.id.login_et_user); login_Pwd = (EditText)this.findViewById(R.id.login_et_pwd); //Button: login,exit Btn_Login = (Button)this.findViewById(R.id.btn_login); Btn_Exit = (Button)this.findViewById(R.id.btn_exit); Btn_Login.setOnClickListener(this); Btn_Exit.setOnClickListener(this); } //display message on screen private void logMessage(CharSequence msg) { Toast.makeText(GtalkActivity.this,msg, Toast.LENGTH_SHORT).show(); } //service connection private ServiceConnection mConnection = new ServiceConnection(){ public void onServiceConnected(ComponentName className, IBinder service) { xmppservice = IGTalkService.Stub.asInterface(service); try { //enter account,password mGtalkSession = xmppservice.createGTalkSession(login_User.getText().toString(),login_Pwd.getText().toString()); mGtalkSession.requestRoster(); if(mGtalkSession == null){ logMessage(getText(R.string.xmpp_session_not_found)); return; } if(mGtalkSession != null){ boolean b = false; try { b = mGtalkSession.isConnected(); } catch (DeadObjectException ex) { logMessage("***Check Current State meets Error! Exception->" + ex); } if(b){ //connection state switch(mGtalkSession.getConnectionState()){ case 4: // login successfully logMessage("successfully logged in to the XMPP server!"); break; case 5: mGtalkSession.setPresence(new Presence(Im.PresenceColumns.AVAILABLE, "Am here now!")); createContact(); logMessage("the client requested roster from the server."); break; case 0: // network problem logMessage("***ConnectionState.IDLE -> not connected!"); break; case 2: // connecting.... logMessage("connecting to the server."); break; case 3: logMessage("connected to the server, but not authenticated yet."); break; case 1: logMessage("in a pending state for automatic reconnection."); break; default: logMessage("Unknown ConnectionState!"); break; } } } } catch (DeadObjectException e) { e.printStackTrace(); } } //service disconnected public void onServiceDisconnected(ComponentName componentname) { xmppservice = null; } }; //tow buttons bindservic/eunbindservice public void onClick(View view) { if(view == Btn_Login){ bindService((new Intent()).setComponent(com.google.android.gtalkservice.GTalkServiceConstants.GTALK_SERVICE_COMPONENT), mConnection,Context.BIND_AUTO_CREATE); } if(view == Btn_Exit){ unbindService(mConnection); xmppservice = null; logMessage("ServiceDisconnected"); } } private void createContact() { Intent contact = new Intent(this,ContactsActivity.class); startSubActivity(contact, contactsActivity); } protected void onActivityResult(int requestCode, int resultCode, String data, Bundle extras) { super.onActivityResult(requestCode, resultCode, data, extras); switch(requestCode) { case contactsActivity: break; } } }
MessageSender （发消息）

import com.google.android.gtalkservice.IChatSession;

import com.google.android.gtalkservice.IGTalkService;

import com.google.android.gtalkservice.IGTalkSession;

import android.app.Activity;

import android.database.Cursor;

import android.os.Bundle;

import android.os.DeadObjectException;

import android.provider.Im;

import android.widget.Button;

import android.widget.EditText;

import android.widget.ListAdapter;

import android.widget.ListView;

import android.widget.SimpleCursorAdapter;

import android.widget.TextView;

import android.widget.Toast;

import android.view.View;



public class MessageSender extends Activity implements View.OnClickListener {

    private EditText senderEdit = null;

    private ListView mesgList = null;

    private Button sendButn = null;

    private TextView recevieView = null;

    IGTalkSession mXmppSession = null;

    IGTalkService xmppService;

    private String user = null;

	@Override

	protected void onCreate(Bundle icicle) {

		super.onCreate(icicle);

		setContentView(R.layout.message);

		

		recevieView = (TextView)this.findViewById(R.id.recipient);

		senderEdit = (EditText)this.findViewById(R.id.sendText);

		mesgList = (ListView)this.findViewById(R.id.listMessages);

		sendButn = (Button)this.findViewById(R.id.send);

		sendButn.setOnClickListener(this);

		

		Bundle extras = getIntent().getExtras();

		if (extras != null) {

			user = extras.getString(ContactsActivity.KEY_Name);

	//		logMessage("***********user************"+user);

            if(user != null){

            	recevieView.setText(user);

            	

            	Cursor cursor = managedQuery(Im.Messages.CONTENT_URI, null,

                        null, null, null);

                ListAdapter adapter = new SimpleCursorAdapter(this,

                        android.R.layout.simple_list_item_1,

                        cursor, 

                        new String[]{Im.MessagesColumns.BODY},

                        new int[]{android.R.id.text1});



                this.mesgList.setAdapter(adapter);

            }

            

            

            

		}

		

		

		

	}

     

	private void logMessage(CharSequence msg) {

        Toast.makeText(MessageSender.this, msg,

                Toast.LENGTH_SHORT).show();

    }

	

	public void onClick(View view) {

		if(view == sendButn ){

			try{

				xmppService = GtalkActivity.xmppservice; 

				if(xmppService == null){

					

					logMessage("xmppService is null");

				}

				try {

					mXmppSession = xmppService.getDefaultSession();

					

				} catch (DeadObjectException e) {

					// TODO Auto-generated catch block

					e.printStackTrace();

				}

				if(mXmppSession == null){

					logMessage("mXmppSession is null");

					return;

				}

				

			 IChatSession ichatsession = mXmppSession.createChatSession(user);

			 if(ichatsession == null) 

           	{

           		logMessage("Fail to create chat session. Return.");

           		return;

           	}

			ichatsession.sendTextMessage(senderEdit.getText().toString()); 

			} catch (DeadObjectException e) {

				e.printStackTrace();

			}

				

		}

		

	}

   

}