The Application “{application name}” Can’t Be Opened on MacOS with .NET MAUI

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While figuring out how to publish macOS apps built with .NET MAUI I came across the error in the title. Turns out, there is an easy fix to this and it isn’t .NET MAUIs fault, in fact, this also works for non-.NET MAUI apps. Let’s dive in! What Causes This Error? First, let’s have a … Read more

Change .NET MAUI iOS Status Bar Color (Background)

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At the moment I’m working on a little .NET MAUI Blazor app and out of the box the iOS target has a white status bar at the top. I’m no designer, but I don’t like how that looks. In this post I’ll show you how to add a nice status bar color, even when rotating … Read more

Implement Folder Picker with .NET MAUI, WinUI and macOS

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As with any good piece of content, this started as a Stack Overflow question: how to implement a folder picker with .NET MAUI? In this post I’ll show you just that by using dependency injection and implementing platform code. This post talks about dependency injection. Are you not 100% sure what that is or how … Read more

Xamarin.CommunityToolkit Sample App Building on Windows

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Since the Xamarin Community Toolkit has been out, there has already been a lot of love! Thank you for that! A good number of people wanted to try out the Xamarin.CommunityToolkit sample app that is in the repository, but on Windows it will give you a hard time actually building and running it. Here is … Read more

OTP Auto-Fill Entry for iOS with Xamarin.Forms

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I have to admit, after reading the tweet below I assumed it was about iOS, but of course this should have also been about Android. Anyway, I implemented the iOS APIs on how to catch that One-Time Password (OTP) that you might receive through a text and let it be autofilled in your Entry. TL;DR, … Read more

XamExpertDay 2020 Online: A Full Day of Deep-Dive Xamarin and .NET MAUI Content

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On Friday October 2nd 2020 Glenn, Tobias, Kerry and myself organized the fifth edition of the XamExpertDay (also known as Expert Day for Xamarin). Because of COVID, just like any other event we were forced to do it online. In this post you will read a bit about the history and this specific instalment. TL;DR: … Read more

Xamarin.CommunityToolkit: an introduction to a great new supporting library for Xamarin.Forms

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Today I can proudly introduce to you the XamarinCommunityToolkit package! In this post you will read all about this package (also known as XamarinCommunityToolkit). What it does, my vision for it and how you can use it, today! A Bit of History Actually, to be honest, I am not sure of the entire history. I … Read more

Xamarin.Forms RowDefinition & ColumnDefinition through binding

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Under one of my YouTube videos about the simplified grid RowDefinition and ColumnDefinition syntax, I got the question how to do this in with data-binding. In this post I will write about that so that everyone can benefit. How To Databind the RowDefinition and ColumnDefinition From some quick testing I don’t think there is an … Read more

GoXLR app hide screen on Windows startup

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Since some time now I have the GoXLR mini which is a wonderful device. However, the one thing I don’t like is that I am presented with the configuration screen at each Windows startup. A tweet for another GoXLR user triggered an idea which allows to hide the screen without support in the current software. … Read more

Disable bounce effect on CollectionView in your Xamarin.Forms iOS app

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I noticed a StackOverflow question where the author was interested in disabling the bounce effect for CollectionView. They had a method for ListView, but was now looking on how to do it for CollectionView on iOS. I put together a small sample, let me tell you what I did. The Bounce Effect If you have … Read more