Java tutorial
/** * Copyright 2016 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.janardhan.blood2life.utils; 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 com.janardhan.blood2life.R; import java.util.Map; public class MyFirebaseMessagingService extends FirebaseMessagingService { private static final String TAG = "MyFirebaseMsgService"; /** * Called when message is received. * * @param remoteMessage Object representing the message received from Firebase Cloud Messaging. */ // [START receive_message] @Override public void onMessageReceived(RemoteMessage remoteMessage) { // TODO(developer): Handle FCM messages here. // If the application is in the foreground handle both data and notification messages here. // Also if you intend on generating your own notifications as a result of a received FCM // message, here is where that should be initiated. See sendNotification method below. Log.d(TAG, "From: " + remoteMessage.getFrom()); Map<String, String> data = remoteMessage.getData(); String msd = data.get("message"); String class_name = data.get("click_action"); String post_id = data.get("post_id"); String title = data.get("title"); try { Class cls = Class.forName(class_name); Intent i = new Intent(this, cls); i.putExtra("post_key", post_id); sendNotification(msd, i, title); } catch (ClassNotFoundException e) { //means you made a wrong input in firebase console } Log.d(TAG, "Notification Message Body: " + msd); } private void sendNotification(String messageBody, Intent intent, String title) { // 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.mipmap.ic_launcher).setContentTitle(title).setContentText(messageBody) .setAutoCancel(true).setSound(defaultSoundUri).setContentIntent(pendingIntent); NotificationManager notificationManager = (NotificationManager) getSystemService( Context.NOTIFICATION_SERVICE); notificationManager.notify(0 /* ID of notification */, notificationBuilder.build()); } }