Java tutorial
/** * Copyright 2015 Google Inc. All Rights Reserved. * * 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.derekma.videogallery.gcm; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.media.RingtoneManager; import android.net.Uri; import android.os.Bundle; import android.support.v4.app.NotificationCompat; import android.util.Log; import com.derekma.videogallery.MixedActivity; import com.derekma.videogallery.PlayerActivity; import com.derekma.videogallery.R; import com.google.android.gms.gcm.GcmListenerService; public class MyGcmListenerService extends GcmListenerService { private static final String TAG = "MyGcmListenerService"; /** * Called when message is received. * * @param from SenderID of the sender. * @param data Data bundle containing message data as key/value pairs. * For Set of keys use data.keySet(). */ // [START receive_message] @Override public void onMessageReceived(String from, Bundle data) { String message = data.getString("message"); String videoId = data.getString("id"); String title = data.getString("title"); Log.d(TAG, "From: " + from); Log.d(TAG, "Message: " + message); if (from.startsWith("/topics/")) { // message received from some topic. } else { // normal downstream message. } // [START_EXCLUDE] /** * Production applications would usually process the message here. * Eg: - Syncing with server. * - Store message in local database. * - Update UI. */ /** * In some cases it may be useful to show a notification indicating to the user * that a message was received. */ sendNotification(message, videoId, title); // [END_EXCLUDE] } // [END receive_message] /** * Create and show a simple notification containing the received GCM message. * * @param message GCM message received. */ private void sendNotification(String message, String id, String title) { Intent intent = new Intent(this, PlayerActivity.class); intent.putExtra("videoId", id); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); /** * Different type of PendingIntent * FLAG_CANCEL_CURRENT * FLAG_NO_CREATE * FLAG_ONE_SHOT * FLAG_UPDATE_CURRENT */ PendingIntent pendingIntent = PendingIntent.getActivity(this, 0 /* Request code */, intent, PendingIntent.FLAG_ONE_SHOT); Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION); Bitmap btm = BitmapFactory.decodeResource(getResources(), R.drawable.paw_heart); NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this) .setSmallIcon(R.drawable.paw_heart_small).setContentTitle(title).setContentText(message) .setAutoCancel(true).setLargeIcon(btm).setSound(defaultSoundUri).setContentIntent(pendingIntent); NotificationManager notificationManager = (NotificationManager) getSystemService( Context.NOTIFICATION_SERVICE); notificationManager.notify(0 /* ID of notification */, notificationBuilder.build()); } }