Java tutorial
/* * Copyright 2016 Gregory Sarrica and Kyle Chaplin * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package io.autem; 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.os.Bundle; import android.support.v4.app.NotificationCompat; import android.telephony.SmsManager; import android.util.Log; import com.google.android.gms.gcm.GcmListenerService; import com.google.gson.Gson; /** * Created by gsarrica on 11/29/15. */ public class AutemGcmListenerService extends GcmListenerService { private static final String TAG = "AutemGcmListenerService"; /** * 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"); 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); Gson gson = new Gson(); try { AutemTextMessage autemTextMessage = gson.fromJson(message, AutemTextMessage.class); SmsManager smsManager = SmsManager.getDefault(); smsManager.sendTextMessage(autemTextMessage.getTo(), null, autemTextMessage.getMessage(), null, null); } catch (com.google.gson.JsonSyntaxException e) { Log.e(TAG, "Failed to parse message from Chrome: " + message, e); } // [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) { 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); Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION); NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this) .setSmallIcon(R.drawable.ic_stat_ic_notification).setContentTitle("GCM Message") .setContentText(message).setAutoCancel(true).setSound(defaultSoundUri) .setContentIntent(pendingIntent); NotificationManager notificationManager = (NotificationManager) getSystemService( Context.NOTIFICATION_SERVICE); notificationManager.notify(0 /* ID of notification */, notificationBuilder.build()); } }