Send FCM push notifications with AWS Lambda function

Push notifications are back here again. In this case I’m going to send it from the clouds.

In this simple example I’ll use AWS Lambda function with API Gateway integration and Firebase Cloud Messaging service in order to send push notifications to the topic subscribers.

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Send test FCM push notification with Amazon SNS

If you’d like to test your Firebase push notifications service or you’re considering to use another push notifications service provider you should take a look at Amazon Simple Notification Service.  You can use Amazon SNS for sending example push notifications via Firebase Cloud Messaging to your mobile application.

In this short example I’ll show you how you can send a message to a specific user of your Android application. So far I couldn’t find a solution to send messages to Firebase topics subscribers but at least you don’t have to deal with OAuth tokens.

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Get your simple push notifications app with Ionic 4 and Firebase Cloud Messaging

Recently I needed a simple mobile app to test my simple push notifications service. In my case it was a Android app receiving notifications from Firebase Cloud Messaging.

In this article I’m going to share my experience with you. I’ll show you how you can create your own simple Ionic 4 Android app and integrate it with FCM service.

But first of all I’m going to start with disclaimers:

  • Please remember that this is only simple starter example. To make sure your notifications behaving properly you have to store user subscriptions somewhere (for example in Firebase or local storage).
  • This article doesn’t cover iOS platform but it’s possible to use FCM as your push notifications provider in iOS apps.

Main goals

We’d like our app to have following features:

  • store devices tokens in Firebase database
  • overall push notifications receiving
  • topic-based push notifications subscription / unsubscription

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Send your test FCM push notification with cURL

Authorization needed to send push notifications with FCM is cool and not so complicated to integrate on your server app. Take a look at documentation here.

Quicker way

Server app? Great, but sometimes you have to quickly test your FCM push notifications and not necessarily you want create a whole back-end infrastructure just to send some notifications out.

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