GCMIntentService.java

package net.sgoliver.android.gcm;

import org.ksoap2.SoapEnvelope;
import org.ksoap2.serialization.SoapObject;
import org.ksoap2.serialization.SoapPrimitive;
import org.ksoap2.serialization.SoapSerializationEnvelope;
import org.ksoap2.transport.HttpTransportSE;

import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.util.Log;

import com.google.android.gcm.GCMBaseIntentService;

public class GCMIntentService extends GCMBaseIntentService {

	public GCMIntentService() {
		super("224338875065");
	}

	@Override
	protected void onError(Context context, String errorId) {
		Log.d("GCMTest", "REGISTRATION: Error -> " + errorId);
	}

	@Override
	protected void onMessage(Context context, Intent intent) {
		String msg = intent.getExtras().getString("msg");
		Log.d("GCMTest", "Mensaje: " + msg);
		mostrarNotificacion(context, msg);
	}

	@Override
	protected void onRegistered(Context context, String regId) {
    	Log.d("GCMTest", "REGISTRATION: Registrado OK.");
    	
		SharedPreferences prefs =
			     context.getSharedPreferences("MisPreferencias", Context.MODE_PRIVATE);
		
		String usuario = prefs.getString("usuario", "por_defecto");
    	
    	registroServidor(usuario, regId);
	}

	@Override
	protected void onUnregistered(Context context, String regId) {
		Log.d("GCMTest", "REGISTRATION: Desregistrado OK.");
	}

	private void registroServidor(String usuario, String regId)
	{
		final String NAMESPACE = "http://sgoliver.net/";
		final String URL="http://10.0.2.2:1634/ServicioRegistroGCM.asmx";
		final String METHOD_NAME = "RegistroCliente";
		final String SOAP_ACTION = "http://sgoliver.net/RegistroCliente";

		SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);
		
		request.addProperty("usuario", usuario); 
		request.addProperty("regGCM", regId); 

		SoapSerializationEnvelope envelope = 
				new SoapSerializationEnvelope(SoapEnvelope.VER11);
		
		envelope.dotNet = true; 

		envelope.setOutputSoapObject(request);

		HttpTransportSE transporte = new HttpTransportSE(URL);

		try 
		{
			transporte.call(SOAP_ACTION, envelope);

			SoapPrimitive resultado_xml =(SoapPrimitive)envelope.getResponse();
			String res = resultado_xml.toString();
			
			if(res.equals("1"))
				Log.d("GCMTest", "Registro WS: OK.");
		} 
		catch (Exception e) 
		{
			Log.d("GCMTest", "Registro WS: NOK. " + e.getCause() + " || " + e.getMessage());
		} 
	}
	
	private void mostrarNotificacion(Context context, String msg)
	{
		//Obtenemos una referencia al servicio de notificaciones
		String ns = Context.NOTIFICATION_SERVICE;
		NotificationManager notManager =
		    (NotificationManager) context.getSystemService(ns);
		
		//Configuramos la notificaci�n
		int icono = android.R.drawable.stat_sys_warning;
		CharSequence textoEstado = "Alerta!";
		long hora = System.currentTimeMillis();
		 
		Notification notif =
		    new Notification(icono, textoEstado, hora);
		
		//Configuramos el Intent
		Context contexto = context.getApplicationContext();
		CharSequence titulo = "Nuevo Mensaje";
		CharSequence descripcion = msg;
		 
		Intent notIntent = new Intent(contexto,
		    GCMIntentService.class);
		 
		PendingIntent contIntent = PendingIntent.getActivity(
		    contexto, 0, notIntent, 0);
		 
		notif.setLatestEventInfo(
		    contexto, titulo, descripcion, contIntent);
		
		//AutoCancel: cuando se pulsa la notificai�n �sta desaparece
		notif.flags |= Notification.FLAG_AUTO_CANCEL;
		
		//Enviar notificaci�n
		notManager.notify(1, notif);
	}
}