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When a device is offline for longer than this specified period, it is not going to receive the message.
#MAKE STRING FILESAFE FOR ANDROID#
The Firebase library allows us to set different configuration options for Android ( AndroidConfig) and iOS ( ApnsConfig).įor Android, we set the time to live to 2 minutes. Component (prefix = "fcm" ) public class FcmSettings Because I don't want to hardcode the location of this file into the code, I create a simple configuration class that allows me to externalize this information into the file src/main/resources/application.properties. This is a JSON file that contains all the necessary information (client id, private key. To send messages with FCM, an application needs a service account from Firebase. This library allows us to send push messages to FCM from Java. Next, we add the Firebase Client SDK for Java to our project. Web is the sole dependency we need for this application. The server is a Spring Boot application created with the website. Go to to sign up.Īccording to the Firebase pricing page sending push messages is free of charge and it looks like there is no limit on the number of messages an application is allowed to send ( at least I haven't found any information about that) Server Setup If you want to follow this blog post and test the application, you need to create an account with Firebase (it's free) if you do not already have one. As the message service, we're going to use Firebase Cloud Messaging (FCM). In this blog post, we are going to implement a Spring Boot application that sends push messages and an Ionic / Cordova app that receives and displays these messages. Sending push messages from Spring Boot to Ionic over FCM Home | Send Feedback Sending push messages from Spring Boot to Ionic over FCM