com.google.android.gcm.demo.app.service.GcmIntentService.java Source code

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Here is the source code for com.google.android.gcm.demo.app.service.GcmIntentService.java

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/*
 * Copyright (C) 2013 The Android Open Source Project
 *
 * 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 com.google.android.gcm.demo.app.service;

import android.app.IntentService;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.SystemClock;
import android.support.v4.app.NotificationCompat;
import android.util.Log;

import com.google.android.gcm.demo.app.R;
import com.google.android.gcm.demo.app.activity.GCMTestActivity;
import com.google.android.gcm.demo.app.receiver.GcmBroadcastReceiver;
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 int NOTIFICATION_ID = 1;
    private NotificationManager mNotificationManager;
    NotificationCompat.Builder builder;

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

    public static final String TAG = "GCM Demo";

    @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
            /*
             * 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)) {
                sendNotification("Send error: " + extras.toString());
            } else if (GoogleCloudMessaging.MESSAGE_TYPE_DELETED.equals(messageType)) {
                sendNotification("Deleted messages on server: " + extras.toString());
                // If it's a regular GCM message, do some work.
            } else if (GoogleCloudMessaging.MESSAGE_TYPE_MESSAGE.equals(messageType)) {
                // This loop represents the service doing some work.
                for (int i = 0; i < 5; i++) {
                    Log.i(TAG, "Working... " + (i + 1) + "/5 @ " + SystemClock.elapsedRealtime());
                    try {
                        Thread.sleep(5000);
                    } catch (InterruptedException e) {
                    }
                }
                Log.i(TAG, "Completed work @ " + SystemClock.elapsedRealtime());
                // Post notification of received message.

                String message = extras.getString("message");

                sendNotification("Received: " + message);
                Log.i(TAG, "Received: " + extras.toString());
            }
        }
        // Release the wake lock provided by the WakefulBroadcastReceiver.
        GcmBroadcastReceiver.completeWakefulIntent(intent);
    }

    // Put the message into a notification and post it.
    // This is just one simple example of what you might choose to do with
    // a GCM message.
    private void sendNotification(String msg) {
        mNotificationManager = (NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE);

        // Pass the message to the activity
        Intent startActivityFromNotificationIntent = new Intent(this, GCMTestActivity.class);

        Bundle extras = new Bundle();
        extras.putString(GCMTestActivity.EXTRA_MESSAGE, msg);

        startActivityFromNotificationIntent.putExtra(GCMTestActivity.EXTRA_DATA, extras);

        PendingIntent contentIntent = PendingIntent.getActivity(this, 0, startActivityFromNotificationIntent,
                // Update the extras with the new received message
                PendingIntent.FLAG_UPDATE_CURRENT);

        NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this)
                .setContentTitle("GCM Notification").setSmallIcon(R.drawable.ic_stat_gcm)
                .setStyle(new NotificationCompat.BigTextStyle().bigText(msg)).setContentText(msg)
                .setAutoCancel(true);

        // TODO Add vibration and/or sound to notification

        mBuilder.setContentIntent(contentIntent);
        mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build());
    }
}