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.twilio.android.quickstart; 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.support.v4.app.NotificationCompat; import android.util.Log; import com.google.firebase.messaging.FirebaseMessagingService; import com.google.firebase.messaging.RemoteMessage; import java.util.Map; public class MyFcmListenerService extends FirebaseMessagingService { private static final String TAG = "MyFcmListenerService"; /** * Called when message is received. * * @param message The remote message, containing from, and message data as key/value pairs. */ // [START receive_message] @Override public void onMessageReceived(RemoteMessage message) { /** * Our Node.js server adds the message body to the remote message data so that we can retrieve * it an show a simple notification as we want. * * Notification resource parameters are mapped as follows: * Body --> twi_body * Title --> twi_title * Sound --> twi_sound * Action --> twi_action */ String from = message.getFrom(); Map<String, String> data = message.getData(); String body = data.get("twi_body"); String title = data.get("twi_title"); Log.d(TAG, "From: " + from); Log.d(TAG, "Body: " + body); // [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(title, body); // [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 pTitle, String message) { Intent intent = new Intent(this, MainActivity.class); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); PendingIntent pendingIntent = PendingIntent.getActivity(this, 0 /* Request code */, intent, PendingIntent.FLAG_ONE_SHOT); String title = "FCM Message"; if (pTitle != null) { title = pTitle; } Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION); NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this) .setSmallIcon(R.drawable.ic_stat_ic_notification).setContentTitle(title).setContentText(message) .setAutoCancel(true).setSound(defaultSoundUri).setContentIntent(pendingIntent); NotificationManager notificationManager = (NotificationManager) getSystemService( Context.NOTIFICATION_SERVICE); notificationManager.notify(0 /* ID of notification */, notificationBuilder.build()); } }