Category: C#

.NET and Linux Bluetooth

Ever needed to perform some Bluetooth LE operations on your Linux device, whether it’s Raspberry PI, Ubuntu, or some other distribution? Yes, me too! In this article, we’ll dive right into using the Plugin.BlueZ NuGet package and show you how to get started using it. Feel free to contribute to the open source project over at the Suess Labs GitHub page, https://github.com/SuessLabs/Plugin.BlueZ. UPDATE! We are migrating towards the next generation package, Linux.Bluetooth NuGet package!The GA functionality is the same and future enhancements are coming soon, such as Battery monitoring. In this article, we’ll perform a simple Scanning for Devices based…

Visual Studio Linux Debugger

The VS Linux Debugger is an open-source tool created to assist with remotely deploying and debugging your Linux applications from Visual Studio 2022. Check it out on the Microsoft Marketplace or GitHub. To get started using it today it’s as easy as 1-2-3.. or perhaps, 2-3 Overview Before getting started, it is recommended to ensure your system has the latest updates. These steps have been tested against Ubuntu 20.04 LTE and 22.04 LTE. Though this project supports everywhere that .NET (Core) is supported, this section outlines steps for Ubuntu 22.04 LTE. It’s recommended to use the official Microsoft Install .NET…

C# 9.0 Null Checking

C# 9.0 added a lot of new features and enhanced others. Here we’re covering Pattern Matching, more specifically is null and is not null.  Beginning with C# 7.0, the “is” operator was added to match an expression against a pattern, and with C# 9.0 the negation pattern was added to do a non-null check. Overview So why not just use “==” or “!=” operators? When you override the operators, your traditional null checks can behave differently. This is why it can be safer for you to use the newer pattern matching. The addition of null checking using, “is null“, though…

Xamarin.Forms Floating Action Button

This article is a review of the Xamarin.Forms NuGet package, Floating Action Button (FAB). Here, we’ll be discussing what the library is, and how to use MVVM binding with Prism.Forms’ Navigation Service, and then finish up with some of the pros/cons of the library. For the full project, check out my GitHub page, Learn.FloatingActionButton, which this article references. I stumbled upon the Floating Action Button while responding to an inquiry made on the Xamarin Slack in regards to the forums thread, “Can I maintain a single static navigation service from Prism.Forms“. If you’re wondering, I’m, “User29117“. What is it? The…