Gtalk登陆
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; @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) {IGTalkService xmppservice = IGTalkService.Stub.asInterface(service);try {//enter account,passwordmGtalkSession = xmppservice.createGTalkSession(login_User.getText().toString(),login_Pwd.getText().toString()); 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!"); mGtalkSession.setPresence(new Presence(Im.PresenceColumns.AVAILABLE, "Am here now!")); break; case 5: 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) {// TODO Auto-generated catch blocke.printStackTrace();}} //service disconnectedpublic void onServiceDisconnected(ComponentName componentname) {mGtalkSession = null;} }; //tow buttons bindservice/unbindservice 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); logMessage("ServiceDisconnected"); } } }
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