Articles tagged kotlin
Build an Android App with RxJava and Kotlin
{% include integrator-org-warning.html %} {% include integrator-org-warning.html %} :toc: macro :page-liquid: :experimental: Modern-day mobile apps do so much. They communicate with different back-ends via network APIs. They store and retrieve data from the local database, do heavy media processing, and communicate with web sockets. It’s hard to keep track of all the information from different asynchronous data sources, especially knowing that the users are accustomed to constantly having a fluid experience with the apps they...
Reactive Java Microservices with Spring Boot and JHipster
{% include integrator-org-warning.html %} :toc: macro :page-liquid: :experimental: Java has been at the forefront of microservice architectures since they came to prominence a few years ago. It’s a popular language with well-known, high-quality frameworks, like Spring Boot, Spring Cloud, Spring Data, and Spring Security. Spring Boot 2.0 introduced a new web framework called Spring WebFlux. Previous versions of Spring Boot only shipped with Spring MVC as an option. WebFlux offers a way for developers to...
Android Login Made Easy with OIDC
{% include integrator-org-warning.html %} :toc: macro :page-liquid: :experimental: Having a dedicated part of a mobile app for authorized users is a must for a modern-day app. Users want to have a personalized experience with the apps they love. They expect to seamlessly use services on different devices and platforms. And, most of all, they want to be sure that their personal data is secure. Implementing a secure login process on Android can be challenging to...
Create a Secure Ktor Application with Kotlin
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. In this tutorial, you will build your very own Nano Blogging Service (nabl for short) using a modern JVM stack. This includes using the...
Deploy a Secure Spring Boot App to Heroku
Developers have cool ideas for pet projects all the time. I often have quite a clear picture of what I want to build and am ready to spend next weekend making the Next Big Thing. The weekend comes finally, and instead of building it, I find myself doing the same repetitive things - deployment, user sign in, registration, deployment, etc. Starting a new project with user registration and a login form is fun! - said...
Build an Android Application with Authentication
{% include integrator-org-warning.html %} :toc: macro :page-liquid: :experimental: With mobile apps becoming ever-present in users' lives, following best security practices has become essential in protecting your users and your apps. Implementing security alone and from the ground up can be costly for your development team, create a less-than-ideal user experience, and be susceptible to design/implementation errors. The easiest path to strong security, and a positive user experience, is to turn to the experts. The Okta...
Build a CRUD Application with Kotlin and React
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. In this tutorial, you’re going to build a client and server application using React for the frontend and Kotlin with Spring Boot for the...
Build a CRUD App with Angular 9 and Spring Boot 2.2
{% include integrator-org-warning.html %} {% include integrator-org-warning.html %} :toc: macro :page-liquid: :experimental: Angular is a web framework for building mobile and desktop applications. Its first version, AngularJS, was one of the first JavaScript MVC frameworks to dominate the web landscape. Developers loved it, and it rose to popularity in the early 2010s. AngularJS 1.0 was released on June 14, 2014. Angular 9 was recently released, giving Angular quite a successful run in the land of...
Kotlin: A Beginner's Guide and Tutorial
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. Kotlin is a modern, statically typed language within the JVM. Kotlin is a cross-platform, multi-purpose, free and open-source language developed by JetBrains under the...
Build an Application with Spring Boot and Kotlin
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. In 2011, JetBrains, the company behind IntelliJ, decided to create a modern language that would run inside the Java Virtual Machine and address common...
Get Groovy with Gradle
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. In the Java world, there are two main build systems: Gradle and Maven. A build system chiefly manages potentially complex webs of dependencies and...
Build a Basic CRUD App in Android with Kotlin
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. Kotlin was recently given official Android support status by Google, but it remains difficult to understand for many developers. The best way to start...
Build a Secure Notes Application with Kotlin, TypeScript, and Okta
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. I love my job as a developer advocate at Okta. I get to learn a lot, write interesting blog posts and create example apps...