Hi! I'm Steven Thewissen 👋

from the Netherlands

/ˈSTIːVƏN TEIːWISːSƐN/ A software developer from the Netherlands focusing on Xamarin development, crafting fancy UIs, tinkering in Azure DevOps and developing REST APIs. I started working with Xamarin in 2014 and have been in love with it ever since.
When I'm not coding you can find me writing blogs, tweeting, playing soccer, or just having some fun and the occasional drink with my friends. If you bring cookies, chocolate and/or a nice beer we can quickly become best friends.

How to provide negative numeric input on Xamarin.Forms iOS

October 6, 2020 16:06

When creating a text input in Xamarin.Forms you might want to show a numeric keyboard. However, when setting it up and running your app on iOS you can’t put in negative numbers. What’s up with that?


PancakeView goes v2.0! Here’s what’s new.

July 10, 2020 16:00

It’s been in the making for quite a while and the road to getting to the end result has been quite a struggle. However, it’s finally time to release version 2.0 of PancakeView!


Revisiting the base page concept using ContentView – Part 1

June 30, 2020 16:34

A while ago I wrote a blog about using the concept of a base page in Xamarin.Forms. Since people are still looking at options to swap out native controls for custom implementations due to complex visual requirements it might be worth revisiting this topic!

Code, Life

Live-streaming on a budget… sort of… maybe…

May 19, 2020 20:36

With COVID-19 keeping the world in its grasp your existing hobbies might not exist anymore. Same here. So it’s time to start some new ones! This is part 1 of me talking about my live-streaming experiences so far.


Playing with animation in Xamarin.Forms

April 23, 2020 17:18

Movement breathes life into your app. But getting started with animation in Xamarin.Forms might not be the simplest thing. This post explains how to get started with creating some cool animations you can use to spice up your app.


dotNETConf – First speaking gig: A retrospective

April 9, 2020 17:43

I had the privilege of being asked to speak at the latest dotNETConf, which completely focussed on Xamarin. My very first speaking gig, but how did I end up there and what was it like? In this post, I will share some thoughts.


Generating your own custom icon font made easy

March 26, 2020 21:40

Using an icon font in your app has been all the rage for a while now, but what if the existing ones aren’t to your liking? It’s pretty easy to make your own if you have vector art available for them. Let’s take a peek!


Playing around with neumorphism in Xamarin.Forms

March 3, 2020 15:09

Neumorphism (or neuomorphism) might be a word you’ve never heard before. If that’s the case, then this is the blog post for you! We will take a peek at what it means and how we might be able to achieve it in Xamarin.Forms.

Code, Short

Exploring grid overlays in DebugRainbows

February 18, 2020 20:28

I recently released a new version of my DebugRainbows plugin, which adds grid overlays to the set of debugging tools it offers. Let’s take a closer look at what they are and how to use them!


Implementing MSAL authentication in Xamarin.Forms

February 4, 2020 19:34

Authenticating users in our app is a common challenge that mobile developers need to tackle. Leveraging existing authentication systems like those of social networks or big companies like Microsoft’s MSAL saves a lot of development time. But how do we get started?