Consume Protocol Buffer messages with Ionic
Published: 14. January 2017 • Updated: 1. December 2018 • ionic, spring, java, javascript
Published: 14. January 2017 • Updated: 1. December 2018 • ionic, spring, java, javascript
Published: 26. January 2017 • Updated: 4. December 2018 • angular, ionic, spring, java, javascript
Example of form validation in an Ionic application. How to create custom synchronous and asynchronous validators and how to validate data on the server with the Java Bean Validation framework.
Published: 22. February 2017 • Updated: 29. September 2018 • ionic, javascript
In this post, we look at a way to display charts from the ECharts library in an Ionic app
Published: 5. February 2017 • Updated: 7. December 2018 • ionic, spring, java, javascript
How to implement a JWT authentication system with Ionic/Angular and Spring Boot.
Published: 27. February 2017 • Updated: 29. November 2018 • database, ionic, javascript
A short introduction to Lovefield, a JavaScript SQL database engine. And how to build an Ionic app that uses Lovefield as a database access layer.
Published: 18. February 2017 • Updated: 6. December 2018 • ionic, cryptography
In this post, we create a Todo application with Ionic that stores the data encrypted in the client storage. asmcrypto.js is used as the cryptographic library and we have a look at the Web Crypto API
Published: 26. February 2017 • Updated: 31. March 2020 • ionic, spring, javascript, java
This post describes how a Spring Boot can send messages over FCM to an Ionic / Cordova app
Published: 16. February 2017 • Updated: 6. December 2018 • ionic, cordova, spring, s3, javascript, java
How to upload files from an Ionic / Cordova app directly to a Minio server or Amazon S3 with pre-signed URLs.
Published: 12. February 2017 • Updated: 6. December 2018 • ionic, cordova, spring, javascript, java
In this article, we create an Ionic application where the user can take a picture, and the app uploads it to a Spring Boot application.
Published: 25. September 2017 • Updated: 4. December 2018 • javascript, cryptography, ionic
Creating a trivial password manager with the Web Cryptography API and the Ionic framework.
Published: 15. September 2017 • Updated: 3. December 2018 • database, javascript, ionic
Example of an Ionic web application that stores data in an IndexedDB and works offline.
Published: 21. September 2017 • Updated: 4. December 2018 • spring, java, javascript, ionic
In this blog, we create REST services in Spring Boot and consume them in an Ionic app. We use the OpenAPI specification for generating API documentation and the client TypeScript code.
Published: 26. September 2017 • Updated: 4. December 2018 • java, ionic, javascript, spring
A closer look at the Flow.js JavaScript library that helps upload files from a browser to the server. Flow.js is a JavaScript library providing multiple simultaneous, stable, fault-tolerant, and resumable/restartable file uploads via the HTML5 File API.
Published: 7. November 2017 • Updated: 5. December 2018 • ionic, java, spring, javascript
In this blog post, I create a self-hosted location tracker that consists of three parts. An Ionic/Cordova application that continuously sends the current location to a Spring Boot application from where the locations are broadcasted to a website and visualized on Google Maps. Note that Google Maps usage may require a paid license depending on your use case.
Published: 5. November 2017 • Updated: 3. December 2018 • ionic, java, spring, javascript
In this blog post we create an Ionic app that dynamically requests location data points from a Spring Boot server and displays them on an 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.
Published: 18. December 2017 • Updated: 16. July 2019 • ionic, javascript, java, spring
In this blog post I present three different ways to integrate speech recognition functionality into an Ionic app. With a Cordova plugin, the Web Speech API and with RecordRTC and the Google Cloud Speech API.
Published: 6. January 2018 • Updated: 1. December 2018 • ionic, ionic, javascript
How to use arbitrary SVG icons in Ionic
Published: 12. January 2018 • Updated: 3. December 2018 • database, javascript, ionic
In this blog post I present a way to use Dexie in a TypeScript application
Published: 26. June 2018 • pwa, javascript, java, spring, ionic
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 web application and a Spring Boot server application.
Published: 9. December 2018 • pwa, javascript, ionic
In this blog post, we look at a way to use the Background Sync API together with Angular's service worker. Or, in general, how to add custom service worker code to a generated Angular service worker.
Published: 11. December 2018 • java, spring, ionic, javascript
This blog post shows you a way to upload pictures from a web application to Google Cloud Storage and run them through Google Cloud Vision. The application uses Ionic for the front end and Spring Boot for the back end. It utilizes signed URLs for permitting the client to upload pictures directly from the web application to Google Cloud Storage
Published: 15. February 2019 • Updated: 21. August 2019 • javascript, ionic
This blog post shows you how to integrate FontAwesome icons into an Angular application with the official Angular JavaScript library.
Published: 15. May 2019 • java, spring, ionic
In this blog post, we are going to implement a stateless authentication system with Spring Security, Spring Boot, and an Angular/Ionic client
Published: 13. June 2019 • java, javascript, spring, ionic
How to create a frictionless password auto-login experience with the Credential Management API.
Published: 10. June 2019 • javascript, ionic
A tutorial on how to use Google Fonts in an Angular / Ionic app. The blog post presents two approaches. One approach is by linking to the Google Font server, and the second approach shows you how to download Google Fonts and serve them from your web server.
Published: 11. June 2019 • Updated: 18. November 2024 • java, javascript, spring, ionic
How to integrate tus.io implementations into JavaScript and Java applications to create reliable and resumable file uploads over HTTP.
Published: 11. June 2019 • Updated: 18. November 2024 • java, spring, javascript, ionic, capacitor
How to take pictures with the Capacitor camera plugin and upload them to a Spring Boot application with Angular's HttpClient and tus.io.
Published: 25. August 2019 • javascript, java, spring, ionic
In this blog post, we will build a password-less authentication system with the FIDO2 WebAuthn standard. I will show you a full-stack demo application with an Ionic / Angular front end and a Spring Boot back end with Spring Security.
Published: 3. April 2020 • Updated: 20. June 2021 • ionic, spring, javascript, capacitor, java
In this blog post, we take a closer look at how to receive push notifications with Capacitor and how to send them from a Spring Boot application.
Published: 3. May 2020 • Updated: 20. May 2021 • javascript, spring, java, ionic
In this blog post, I show you how to create an encrypted Java/JavaScript chat application with the Web Cryptography API.
Published: 1. May 2020 • Updated: 20. May 2021 • javascript, java, ionic, angular
This blog post shows you how to integrate hCaptcha CAPTCHAs into a plain JavaScript project and Angular projects, with a Spring Boot back end.
Published: 22. January 2022 • javascript, database, ionic
In this blog post, I will show you an example of the new live query feature in Dexie.js 3.2 that enables an application to subscribe to IndexedDB queries.
Published: 27. October 2024 • ionic, angular, llm
In this blog post, I will show you how to install and run an LLM in a web application using the Transformer.js library.
Published: 19. January 2025 • ionic, angular, llm
Running the Moonshine model, a speech recognition model, in the browser with Transformers.js. The demo application is a snake game controlled by voice commands.