Category Xamarin

Setting up a basic MVVM architecture in .NET MAUI

Intro The MAUI-team seems to be on a roll! We’ve seen multiple preview releases over the last months and with every release the product visibly improves! Last week I installed Preview 12 with the idea of creating a basic MVVM… 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 →

Demos talk “Realm, the cool new kid in Xamarin town”

Last week I gave a talk about Realm at the Xamarin Expert Day in Cologne, Germany. Some people asked me if I could put the code of the demos, that I used in this talk, on a public GitHub Repo. Sharing is caring, of… Continue Reading →

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