Category Xamarin

Font Awesome Duotone icons in .NET MAUI and Xamarin.Forms

In almost all of my mobile apps, I use Font Awesome to display icons. It’s a huge library and it’s super easy to use in .NET MAUI and Xamarin.Forms. You can even use the ‘Duotone’ icons which have 2 colors… Continue Reading →

Setting up a basic MVVM architecture in .NET MAUI

Update December 2023 This blogpost was originally posted in February 2022. Since then, .NET MAUI and my insights have evolved a bit. On the other hand, lots of the things discussed in this blogpost are still valid today. However, if… Continue Reading →

Fixing video file not streaming from Azure Blob Storage on Android

Oh ooh! Video file not streaming on Android… While developing a Xamarin.Forms app, we encountered an issue where an mp4 file wouldn’t play on Android, on iOS everything worked perfectly! To display the video we are using the MediaElement from… Continue Reading →

Simple data validation in Xamarin Forms

In this post I would like to share how I’ve implemented user input data validation in Xamarin Forms. Over the years I’ve tried a few approaches, some with success, others without. This one is an implementation I’ve used in my… Continue Reading →

Get Geo Location in background with Xamarin.Essentials on iOS

Getting the Geo Location by using Xamarin.Essentials doesn’t work when the app is in the background. Let’s see how we can ‘fix’ this (on iOS)! Xamarin.Essentials Xamarin.Essentials is a fantastic library containing many cross-platform APIs for mobile applications. Things like… Continue Reading →

Multi targeting, am I falling in love?

♥Februari is the month of love and friendship. That’s why the Xamarin community is sharing some Xamarin Love every day of this month: Xamarin Month of love and friendship! ♥ A lot has been told the past years about code… Continue Reading →

Fixing AppCenter Android Build Error: /usr/bin/jarsigner failed with return code: 1

Error: /usr/bin/jarsigner failed with return code: 1 This issue bugged me for an entire day. The real sad thing about it is, is that I faced this same issue some months ago… So after I set up my AppCenter Android… Continue Reading →

Using Android Linkify to add inline links to a Xamarin Forms Label

A loooong time ago (at least, this is what it feels like…), I created this custom Xamarin Forms control HyperlinkLabel (Blog post, GitHub repo) that can show one or multiple hyperlinks inline with other text. The links can be defined… Continue Reading →

Image classification with Azure Custom Vision Service and CoreML

In my previous blogpost I created a small PoC to show you how to work with the Azure Custom Vision Service and WinML. In this blogpost we are going to take the same model that I have trained back then,… Continue Reading →

Creating a HyperlinkLabel in Xamarin Forms

I needed a simple control that could show a hyperlink inline with other text and I’d like the link to be defined in markdown. In short, something like this: HyperlinkLabel In Xamarin.Forms, I created a HyperlinkLabel class which isn’t anything more… Continue Reading →

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