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.umanji.umanjiapp.gcm; 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 com.umanji.umanjiapp.AppConfig; import com.umanji.umanjiapp.R; import com.umanji.umanjiapp.ui.main.MainActivity; public class GcmListenerService extends com.google.android.gms.gcm.GcmListenerService implements AppConfig { private static final String TAG = "GcmListenerService"; @Override public void onMessageReceived(String from, Bundle data) { if (from.startsWith("/topics/")) { // message received from some topic. } else { // normal downstream message. } sendNotification(data); } private void sendNotification(Bundle data) { String title = data.getString("title"); String text = data.getString("text"); Intent intent = new Intent(this, MainActivity.class); intent.putExtra("bundle", data); 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_umanji_launcher).setContentTitle(title).setContentText(text) .setAutoCancel(true) // .setLargeIcon(BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher)) .setSound(defaultSoundUri).setContentIntent(pendingIntent); NotificationManager notificationManager = (NotificationManager) getSystemService( Context.NOTIFICATION_SERVICE); notificationManager.notify(0 /* ID of notification */, notificationBuilder.build()); } }