Category Archives: Essentials
DataTemplateSelector
Suppose you have a collection of items and you want to display them in a ListView (Xamarin.Forms). The catch is that you want to change the display of each item depending on its state or some other code-based attributes. At … Continue reading
Posted in Essentials, Xamarin.Forms
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C# 9 Part 3 – Patterns
Jared Parsons – lead of the C# Compiler Team at Microsoft C# 9 Roadmap Jared – LinkedIn Welcome to C# 9
An Alert From the ViewModel
Quite often we want to send an alert from the view model, but you can only do so from the view. We’ve tackled this problem in the past but we think there is room for a simplified and clear step … Continue reading
Code Snippet – By request
Code Snippets can save you from repetitive (boring) tasks. Visual Studio comes with a great many code snippets, perhaps the most often used is ctor which creates an empty constructor. You can also create your own. Here is one I … Continue reading
Picker within Listview
We needed to put a picker inside a list view in a Xamarin.Forms app, but we wanted to be notified when one of the pickers changed and be able to get the value from the picker (and know which one … Continue reading
Xamarin.Forms Shell
Focus on Xamarin.Forms Shell – the new way to create great Xamarin.Forms applications. We go in-depth with Shane Neuville, a Senior Developer on the Xamarin.Forms team. Shell Forms IntroductionProject BoardXaminalsXappyShell Login SampleGastropods
Mark Price – C# & .NET Core
Mark Price, author of C# 8 and .NET Core 3.0 Modern Cross Platform Development talks about… well about everything .NET A fantastic exploration of what is new in C#, .NET Core, Blazor, and much more,
Xamarin Coding Standards
There are many best practices in writing Xamarin. Here are some that we’ve canonized where I work… 👍 By convention the identifier for the ViewModel is vm 😠 Do not assign more than one page to a view model. Generally … Continue reading
Shawn Wildermuth
Shawn Wildermuth has been tinkering with computers and software since he got a Vic-20 back in the early ‘80s. As a Microsoft MVP since 2003, he’s also involved with Microsoft as an ASP.NET Insider and ClientDev Insider. You may have … Continue reading
C# 8 Nullable Types
I recently released a two-part course on C# 8. The first part is for beginning programmers. The second part is for intermediate to advanced programmers. This post is the first in a series that focuses on the new features in … Continue reading
C#8 De Principiante a Experto Parte 1
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C# 8 From Novice to Expert – Part 1 Released to Udemy
Part 1 assumes no prior programming experience. Click here
