Less repetitive code to reach REST APIs for your Xamarin.Forms app with Refit

In follow-up of my previous post about PropertyChanged.Fody, this time we will look at Refit (link). Just like implementing the INotifyPropertyChanged interface, writing code to communicate with your REST backend can produce a lot of duplicated code. Each request looks very similar and follows the same pattern; do a request to endpoint X and retrieve … Read more

[BOOK] Xamarin Continuous Integration and Delivery: Team Services, Test Cloud, and HockeyApp

Book Featured Image

*Pinch* Is this a dream?! My very own book? No it is not! I did write a book, Xamarin Continuous Integration and Delivery, and¬†here is everything you need to know about it. A while ago I have done some¬†blogposts on continuous integration and delivery for Xamarin apps. While doing so I got more and more … Read more

Keeping DRY with PropertyChanged.Fody for Xamarin.Forms

If you have worked with MVVM and/or data-binding before, there is a good chance that you are very familiar with the INotifyPropertyChanged interface. With this interface you can invoke an event whenever a value of a property has changed. The view notices this change, because of this event and updates the UI accordingly. While this … Read more

Working with Effects in Xamarin.Forms

When you have worked with Xamarin.Forms before you’ll know that the translation from the Forms control to a native control is done by renderers. If you, as a developer, would want to change anything about the way Forms renders it for you, you would have to subclass the whole renderer and create your custom logic … Read more

Embedding native controls in your Xamarin.Forms app

Embedding native controls in your Xamarin.Forms app header

As of version 2.3.3 and above of Xamarin.Forms it is now possible to embed native controls in your Forms app. I’ll let that sink in for a minute. Native controls, defined in XAML, from your PCL, without the need for any renderers whatsoever. Isn’t that just awesome?! Whoa! Native controls? In XAML? Awesome right?! But … Read more

3D Touch your Xamarin(.Forms) app: apply pressure to icon area

3D Touch in action on iPhone 6s

Now that I have got a new iPhone 7 that supports 3D Touch it’s about time to have a play with that! In case you have missed it, 3D Touch (or Force Touch) is a concept that Apple introduced with the iPhone 6s (Plus) and iOS 9. It lets you press the screen a bit … Read more

Continuous Integration & Continuous Delivery for your Xamarin App – Video edition

This is a talk I did on a local Meetup group about continuous integration and continuous delivery for you Xamarin app. Mainly based on VSTS and HockeyApp but also naming some alternatives like Bitrise, TestFairy, Play Store and the App Store.

Because of time pressure it was a bit of a rush so if you have any questions please let me know!

Pro-tip: copy/paste URL to the iOS simulator

Just a quick tip if you need to copy and paste text to your iOS simulator. For an app we are developing we send out verification links through e-mail with a hash. After finding out that cmd + C & cmd + V weren’t working if actually did type if over more then once.. For … Read more

Be ahead! Test your apps with the latest iOS (beta) version

After installing the latest Xamarin.iOS beta build I got an error message while building. ‘This version of Xamarin.iOS requires the iOS 10.0 SDK (shipped with Xcode 8.0) when the managed linker is disabled. Either upgrade Xcode, or enable the managed linker.’ That’s pretty self-explanatory, right? So if you want to go quick and dirty just … Read more

Unlocking native control features the Xamarin.Forms way

While Xamarin did a great job with Forms in providing us with a set of controls that can be used creating our awesome UI, they didn’t (and couldn’t) enable all of the features that come with a Button or Label or.. whatever! So they did the basics, which is absolutely fine! But when you are … Read more