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Generated tokens can be retrieved by a service class which is a subclass of InstanceIDListenerService as below:

Code Block

language	java



package com.visilabs.visilabsandroiddemo;


import android.util.Log;
import com.google.android.gms.gcm.GoogleCloudMessaging;
import com.google.android.gms.iid.InstanceID;
import com.google.android.gms.iid.InstanceIDListenerService;
import java.util.HashMap;


public class ListenerService extends InstanceIDListenerService {
   @Override
   public void onTokenRefresh() {
       String token = null;
       try{
          InstanceID instanceID = InstanceID.getInstance(getApplicationContext());
          token = instanceID.getToken(getString(R.string.gcm_defaultSenderId), GoogleCloudMessaging.INSTANCE_ID_SCOPE, null);}
       catch (Exception e){
           Log.e("Tag", e.getMessage());
       }
       HashMap<String, String> parameters= new HashMap<String, String>();
       parameters.put("OM.sys.AppID","AppID");
       parameters.put("OM.sys.TokenID",token);
       Visilabs.CallAPI().customEvent("RegisterToken", parameters);
   }

   @Override
   public void onCreate() {
       String token = null;
       try{
          InstanceID instanceID = InstanceID.getInstance(getApplicationContext());
          token = instanceID.getToken(getString(R.string.gcm_defaultSenderId), GoogleCloudMessaging.INSTANCE_ID_SCOPE, null);}
       catch (Exception e){
           Log.e("Tag", e.getMessage());
       }
       HashMap<String, String> parameters= new HashMap<String, String>();
       parameters.put("OM.sys.AppID","AppID");
       parameters.put("OM.sys.TokenID",token);
       Visilabs.CallAPI().customEvent("RegisterToken", parameters);
   }
}

This service should be declared in AndroidManifest.xml file:

Code Block

language	xml

<service android:name="com.visilabs.visilabsandroiddemo.ListenerService"
   android:exported="false">
   <intent-filter>
       <action android:name="com.google.android.gms.iid.InstanceID" />
   </intent-filter>
</service>

To show push messages you should create a subclass of GCMListenerService and handle incoming data in this class. This service should be declared in AndroidManifest.xml file:

Code Block

language	java

package com.visilabs.visilabsandroiddemo;

import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.NotificationCompat;
import android.util.Log;
import com.google.android.gms.gcm.GcmListenerService;


public class VisilabsGcmListenerService extends GcmListenerService  {
   @Override
   public void onMessageReceived(String from, Bundle data) {
       String message = data.getString("message");
       String url = data.getString("url");
       sendNotification(message, url);
   }

   private void sendNotification(String message,String link) {
       Intent intent = new Intent(this, MainActivity.class);
       intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
       PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent,
               PendingIntent.FLAG_ONE_SHOT);
    	Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
        NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this).setSmallIcon(R.drawable.ic_stat_ic_notification).setContentTitle("GCM Message").setContentText(message).setAutoCancel(true).setSound(defaultSoundUri).setContentIntent(pendingIntent);
        NotificationManager notificationManager =
               (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
        notificationManager.notify(0, notificationBuilder.build());
   }
}

Code Block

language	xml

<service android:name="com.visilabs.visilabsandroiddemo.VisilabsGcmListenerService"
   android:exported="false" >
   <intent-filter>
       <action android:name="com.google.android.c2dm.intent.RECEIVE" />
   </intent-filter>
</service>

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