Android Open Source - fco-alerts-app Gcm Intent Service

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License

The source code is released under:
MIT License
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Java Source Code

/*
 * Copyright (C) 2013 The Android Open Source Project
 */*from w ww .  ja  v  a  2  s  . co m*/
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package uk.co.eleusis.android.fcoalerts;

import android.app.IntentService;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;

import com.google.android.gms.gcm.GoogleCloudMessaging;

/**
 * This {@code IntentService} does the actual handling of the GCM message.
 * {@code GcmBroadcastReceiver} (a {@code WakefulBroadcastReceiver}) holds a
 * partial wake lock for this service while the service does its work. When the
 * service is finished, it calls {@code completeWakefulIntent()} to release the
 * wake lock.
 */
public class GcmIntentService extends IntentService 
{
  public static final String TAG = "GCMIntentService";

    public GcmIntentService() 
    {
        super("GcmIntentService");
    }

    @Override
    protected void onHandleIntent(Intent intent) 
    {
        Bundle extras = intent.getExtras();
        GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(this);
        // The getMessageType() intent parameter must be the intent you received
        // in your BroadcastReceiver.
        String messageType = gcm.getMessageType(intent);

        if (!extras.isEmpty())   // has effect of unparcelling Bundle
        {
          Notifier notifier = new Notifier(this);
          
            /*
             * Filter messages based on message type. Since it is likely that GCM will be
             * extended in the future with new message types, just ignore any message types you're
             * not interested in, or that you don't recognize.
             */
            if (GoogleCloudMessaging.MESSAGE_TYPE_SEND_ERROR.equals(messageType)) 
            {
              // Not sure under what circumstances this ever happens, but for now we'll 
              // just notify the user something went wrong.
                notifier.sendSimpleMessage("Send error: " + extras.toString());
            }
            else if (GoogleCloudMessaging.MESSAGE_TYPE_DELETED.equals(messageType)) 
            {
                // Don't notify this, user doesn't care
              //sendNotification("Deleted messages on server: " + extras.toString());
              // - it just means the server collapsed some messages, which for us is fine
            } 
            // If it's a regular GCM message, do some work.
            else if (GoogleCloudMessaging.MESSAGE_TYPE_MESSAGE.equals(messageType)) 
            {
                Log.i(TAG, "Received: " + extras.toString());

                // Post notification of received message.
              NotifiedAlert alert = new NotifiedAlert(
                  extras.getString("guid"),
                  extras.getString("title"),
                  extras.getString("description"),
                  extras.getString("link"));
                notifier.sendNotification(alert);
            }
        }
        
        // Release the wake lock provided by the WakefulBroadcastReceiver.
        GcmBroadcastReceiver.completeWakefulIntent(intent);
    }

}
Java Source Code List
