This blog post takes a closer look at the Background Sync API, part of the Service Worker implementation and presents an example that uses Background Sync to synchronize data between an Ionic 4 web application and a Spring Boot server application.
In this blog post I show you how you can send push messages from a Spring Boot application over Firebase Cloud Messaging (FCM) to connected clients with the Web Push API. The Push API is part of the Service Worker specification and does not depend on any native plugins.
In this blog post I present three different way how to integrate a speech recognition functionality into an Ionic 3 app.
With a Cordova plugin, the Web Speech API and with RecordRTC and the Google Cloud Speech API.
In this blog post we create together a self hosted location tracker that consists of three parts. An Ionic 3/Cordova application that continuously sends the current location to a Spring Boot application from where the locations are broadcasted to a website and visualized with Google Maps.
In this blog post we create an Ionic 3 app that dynamically requests location data points from a
Spring Boot server and displays them on a OpenStreetMap map. The data points are stored in a
MongoDB database and we take advantage of the geospatial query support to read the data points only for a certain area.
In this blog we create REST services in Spring Boot and consume them in an Ionic 3 app.
We use the OpenAPI specification for generating an API documentation and the client TypeScript code.
Published: March 05, 2017 • Updated: February 16, 2018 • java, spring
What are Server-Sent Events and how can you send them from a Spring Boot application
This post describes how a Spring Boot can send messages over FCM to an Ionic 3 app
How to upload files from an Ionic 3 / Cordova app directly to a Minio server or Amazon S3 with pre-signed URLs.
In this article we create an Ionic 3 application where the user can select a picture from the cordova camera plugin and the app uploads it to a Spring Boot server application.
How to implement a JWT authentication between an Ionic 3 app and a Spring Boot back end.
Example of form validation in an Ionic 3 application. How to create custom synchronous and asynchronous validators and how to validate data on the server with the Java Bean Validation framework.
Published: January 24, 2017 • Updated: February 16, 2018 • spring, java
How to create RSS and Atom feeds with the Spring Framework and the ROME library
Published: January 08, 2017 • Updated: December 23, 2017 • java, spring