Java tutorial
/* * Copyright 2012 Google Inc. * Copyright (c) 2013 Mark Prichard, CloudBees * * 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.cloudbees.gasp.gcm; 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.support.v4.app.NotificationCompat; import android.util.Log; import com.cloudbees.gasp.R; import com.cloudbees.gasp.activity.ConsoleActivity; import com.cloudbees.gasp.service.RestaurantUpdateService; import com.cloudbees.gasp.service.ReviewUpdateService; import com.cloudbees.gasp.service.UserUpdateService; import com.google.android.gms.gcm.GoogleCloudMessaging; /** * IntentService responsible for handling GCM messages. */ public class GCMIntentService extends IntentService { private static final String TAG = "GCMIntentService"; public static final int NOTIFICATION_ID = 1; public GCMIntentService() { super(TAG); } @Override protected void onHandleIntent(Intent intent) { Bundle extras = intent.getExtras(); GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(this); String messageType = gcm.getMessageType(intent); try { if (!extras.isEmpty()) { if (GoogleCloudMessaging.MESSAGE_TYPE_SEND_ERROR.equals(messageType)) { Log.i(TAG, "Send error: " + extras.toString()); } else if (GoogleCloudMessaging.MESSAGE_TYPE_DELETED.equals(messageType)) { Log.i(TAG, "Deleted messages on server: " + extras.toString()); } else if (GoogleCloudMessaging.MESSAGE_TYPE_MESSAGE.equals(messageType)) { Log.i(TAG, "Received: " + extras.toString()); int index = Integer.valueOf(extras.getString("id")); String table = extras.getString("table"); String notificationMessage = "There's something new from Gasp!"; if (table != null) { if (table.matches("reviews")) { startService(new Intent(getApplicationContext(), ReviewUpdateService.class) .putExtra(ConsoleActivity.ResponseReceiver.PARAM_ID, index)); } else if (table.matches("restaurants")) { startService(new Intent(getApplicationContext(), RestaurantUpdateService.class) .putExtra(ConsoleActivity.ResponseReceiver.PARAM_ID, index)); } else if (table.matches("users")) { startService(new Intent(getApplicationContext(), UserUpdateService.class) .putExtra(ConsoleActivity.ResponseReceiver.PARAM_ID, index)); } // Send notification message for message bar display etc sendNotification(notificationMessage); } else { Log.e(TAG, "Error: table not specified"); } // Release the wake lock provided by the WakefulBroadcastReceiver. GCMBroadcastReceiver.completeWakefulIntent(intent); } } } catch (Exception e) { e.printStackTrace(); } } /** * Send a notification message that a new update has been received * * @param msg Notification message */ private void sendNotification(String msg) { NotificationManager mNotificationManager = (NotificationManager) this .getSystemService(Context.NOTIFICATION_SERVICE); PendingIntent contentIntent = PendingIntent.getActivity(this, 0, new Intent(this, ConsoleActivity.class) .setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP), 0); NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this) .setSmallIcon(R.drawable.ic_stat_gcm).setContentTitle("Gasp! Update") .setStyle(new NotificationCompat.BigTextStyle().bigText(msg)).setContentText(msg); mBuilder.setContentIntent(contentIntent); mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build()); } }