Visual Designer, Hot Reload and Beyond

In the last couple of years we’ve seen a massive spike in interest around “Hot Reload” thanks to the popularity of frameworks such as React/React Native and more recently, Flutter. The goal of Hot Reload is to allow developers to iteratively change their application code, whilst debugging their application – this cuts down considerably the … Continue reading “Visual Designer, Hot Reload and Beyond”

Running Your Windows UI / Project Reunion App in the Windows App Container (sandbox)

In a number of my previous posts I’ve challenged the need for Windows UI (WinUI3) to continue to support UWP. In nearly every instance I get push back from the community regarding all the features that are missing from Project Reunion and that UWP needs to be the future – but why I ask? wah, … Continue reading “Running Your Windows UI / Project Reunion App in the Windows App Container (sandbox)”

We Don’t Want or Need WinUI for UWP

There are a bunch of loyal UWP developers that are complaining because Project Reunion / WinUI isn’t available for UWP but have they really taken a step back and understood what they’re asking for. Let’s break this down a little and understand why WinUI for UWP shouldn’t exist (and why there are political reasons why … Continue reading “We Don’t Want or Need WinUI for UWP”

How to run a WinUI 3 (Project Reunion) app on Windows 10X (Xbox and Hololens)

If you look at what Microsoft is working on with Project Reunion, it’s clear to see that they’ve set a vision to reunite the various groups of Windows developers. The aim is not to have every developer using exactly the same technology stack but rather to give every developer access to the richness of the … Continue reading “How to run a WinUI 3 (Project Reunion) app on Windows 10X (Xbox and Hololens)”

Adding Some Behaviors to Your WinUI Uno Application

With the recent release of Windows UI and support for cross platform offered by the Uno Platform, it’s going to take a little while for the various UWP libraries that we’re familiar with to be ported across. They firstly need to be ported to Windows UI and then they need a Uno build. The Uno … Continue reading “Adding Some Behaviors to Your WinUI Uno Application”

Restyling Controls in an Uno (Windows UI) Application

In my previous post, Multi-Platform PixelPerfect UI with Windows UI and the Uno Platform, I demonstrated how applications built using Project Reunion (i.e. Windows UI), coupled with the Uno Platform, could deliver an identical user experience across a variety of platforms. In this post I’m going to walk through changing the style of one of … Continue reading “Restyling Controls in an Uno (Windows UI) Application”

Multi-Platform PixelPerfect UI with Windows UI and the Uno Platform

As we progress through the various previews of .NET 6 it’s great to see the transition happening from Xamarin.Forms to dotnet MAUI. The other day, James Montemagno tweeted out an image that showcases the same application running on iOS, Android, MacOS and Windows (which is now based on WinUI Desktop!). This tweet inspired me to … Continue reading “Multi-Platform PixelPerfect UI with Windows UI and the Uno Platform”

Getting Started with the Uno Platform (Project Reunion/WinUI)

Two years ago I posted on Getting Started with Platform Uno which focused on starting with a UWP application and extending it cross platform using the Uno Platform. For those tracking developments in the Windows development space, you’ll be aware that the 0.5 version of Project Reunion has just been released. It seem fitting to … Continue reading “Getting Started with the Uno Platform (Project Reunion/WinUI)”

Naming, Versioning and Releasing Project Reunion and Windows UI

As the first release of Windows UI 3.0 is imminent, there’s a bit of a dialogue going on about its relationship with the parent project, Project Reunion. More specifically the conversations focus on topics like naming, versioning and release planning. In this post I’m going to touch on these topics and provide my thoughts on … Continue reading “Naming, Versioning and Releasing Project Reunion and Windows UI”

Windows 10X Launch Plans Leave Developers Confused

Here’s the upshot – if you’ve been watching the Windows developer space, the hot topic at the moment is Project Reunion, which includes Windows UI and will form the building blocks for apps targeting the Windows platform going forward. And then there’s Windows 10X (“10X“), Microsoft’s latest attempt at a cut down version of the … Continue reading “Windows 10X Launch Plans Leave Developers Confused”

Stop Talking about UWP

Ok, I know this post is probably going to annoy all those UWP loyalist out there that can’t unpackage their love for the platform and realise that Windows development is in the process of moving on. One of probably the biggest marketing nightmares that Microsoft has unleashed is UWP. To different people, UWP means different … Continue reading “Stop Talking about UWP”

Converting Xamarin.Forms to WindowsUI and Uno: StackLayout v StackPanel

When moving from Xamarin.Forms across to WinUI, one of the simpler changes to make is to switch out StackLayout for StackPanel. Or so you’d think – unfortunately StackLayout has some quirky behaviour that needs some extra handling to get right. In this post we’ll look at why the StackPanel replacement doesn’t always work, and what … Continue reading “Converting Xamarin.Forms to WindowsUI and Uno: StackLayout v StackPanel”

Windows UI (WinUI) 3 Preview 5 and Project Reunion 0.5 preview – Upgrade today

Ok, just a quick summary post – Windows UI 3.0 and Project Reunion 0.5 preview has just shipped. The most notable change is that WinUI now falls under Project Reunion with changes to namespace, packages and the Visual Studio extension. Installation Here’s a quick summary of getting the latest bits: Start by removing the WinUI3 … Continue reading “Windows UI (WinUI) 3 Preview 5 and Project Reunion 0.5 preview – Upgrade today”

Converting Xamarin.Forms to WindowsUI and Uno: SafeArea to VisibleBoundsPadding

Converting a Xamarin.Forms application across to use WinUI + Uno is mostly straight forward as a lot of the XAML is either the same, or has an equivalent. When you’re dealing with platform specifics, one thing you might come across is the SetUseSafeArea call. For example: The Uno platform exposes the concept of safe area … Continue reading “Converting Xamarin.Forms to WindowsUI and Uno: SafeArea to VisibleBoundsPadding”

Simple WinUI + Uno Calculator

A week or so ago David from the XF/Maui team kicked of a thread on twitter challenging devs to add a simple addition to a simple calculator. I particularly liked the transition animation that Robin added, so figured I’d translate this to a WinUI+Uno platform application. I’m going to try to keep as close to … Continue reading “Simple WinUI + Uno Calculator”

Async Support for Executing Storyboards in UWP and WinUI

Sometimes I forget just how old and dated XAML is, and how little advances Microsoft has made to make it easy to work with. With the move to WinUI, hopefully we’ll start to see some much needed improvements – we’ve seen some already with the ability to define row and column definitions as a single … Continue reading “Async Support for Executing Storyboards in UWP and WinUI”

Colors, Styles and Templates in Windows UI (WinUI)

This is a quick post just to provide a reference point for anyone who’s looking for the default styles, templates, colors etc for Windows UI. Let’s break this down a bit: UWP Let’s start with the current technology, UWP. If you want to inspect the default styles and templates for UWP controls, you just need … Continue reading “Colors, Styles and Templates in Windows UI (WinUI)”

Breaking a Developer Ecosystem by Changing a Namespace

The next 6-12 months are going to be super exciting with both preview and releases planned for WinUI, Project Reunion and Maui (aka Xamarin.Forms). WinUI/Reunion represent a significant decoupling for Windows apps from the underlying OS version. Meanwhile Maui will provide a bit of a reset for Xamarin.Forms which some major improvements to the way … Continue reading “Breaking a Developer Ecosystem by Changing a Namespace”

How to Upgrade a UWP Application to WinUI 3.0

As we get close to preview 4 of WinUI 3.0 (it’s Feb 2021 already so where’s my WinUI preview4!), now’s the time to start looking at how you’re going to upgrade your UWP application to WinUI3.0. In this post we’ll look at a migration approach that will allow you to keep your UWP app running … Continue reading “How to Upgrade a UWP Application to WinUI 3.0”

What’s the correlation between .NET 5, WinUI and MAUI (Xamarin.Forms)

Over the last couple of years there have been a couple of key developments in the .NET world. However, despite a lot of rhetoric from Microsoft about building a better developer ecosystem, the reality is that the current landscape for building apps using .NET is a mess and no amount of sugar coating is going … Continue reading “What’s the correlation between .NET 5, WinUI and MAUI (Xamarin.Forms)”