James Montemagno
James Montemagno

Live, Love, Bike, and Code.

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James Montemagno

Xamarin

Azure DevOps Settings for Xamarin iOS 13 and Android 10 Apps

Settings up continuous integration can be tricky when there are new versions coming out. Recently Visual Studio 2019 updated to support Xcode 11, iOS 13, Android 10, .NET Core 3, and C# 8. What a whirlwind of new updates that CI servers got all around the same time! This means that as you were updating your apps your hosted machines also got updated and probably broke your builds :(. My good friend Jonathan Peppers wrote an amazing tool called Boots that allows you to manually install dependenci…

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Is the MacBook Pro 16-inch the Ultimate Developer Laptop?

It seems as though Apple has finally fixed the keyboard on the latest MacBook 16-inch and as a bonus, brought back the escape key! This seems to be what everyone is talking about, but what is really important is the return to PRO for the MacBook Pro. What I mean by this is that finally we can fully spec out a MacBook Pro with as much RAM and SSD space that we could ever want and at a decent price. If you head over to the configuration page you will be able to spec out your MacBook Pro with up to…

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Use C# 8 In Any .NET Project Today

C# 8 was officially released in September at .NET Conf along side .NET Core 3 & Visual Studio 16.3 (8.3 on Mac). It is packed with tons of amazing new features that truly everyone should be using. However, there is a lot of confusing as to if you can actually use C# 8 if you aren't using .NET Core 3 or .NET Standard 2.1. Short answer: YES! You can use it today. Long answer: YES! You just have to turn it on and perhaps add a NuGet package or two for certain features. When you create a new ap…

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Free C# and Xamarin for Beginners Videos Series

Last week Hanselman announced all of the great new videos that are available at dot.net/videos. However, he forgot to mention that there is an entire new getting started series for iOS & Android development with Xamarin! The lovely developer advocate's and friends Matt Soucoup and Brandon Minnick just released the 11 part series! If you are new to C# then don't worry as there is a full C# 101 series. It has never beena better time to get started learning C# and building mobile apps with Xam…

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James on Tour - October 2019 Europe Edition!

I can't believe it is October already! What an amazing year with so many amazing announcements for Xamarin developers. Between Build, Xamarin Developer Summit, and .NET Conf there truly has been something for everyone. Now, I want to take this Xamarin goodness on the road for a two week Europe roadshow! I worked closely with user group leaders all over Europe to set up a great schedule where I am literally traveling just about every day! Oct 22nd - 23rd - DevReach - Sofia, Bulgaria To kick thin…

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Optimizing Xamarin Apps & Libraries with the Linker

The Xamarin linker is one of the most important pieces of technology when building mobile apps, that no one knows exists. It does all of the hard work for you, stripping out all unused code from libraries that you include in your apps. It should only be used in release mode as it takes extra time to compile your app, but means that your app will be smaller: The linker has specific implementations for both iOS and Android and is completely customizable. Linking for App Developers Before I get…

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Hangout, Drink Coffee, & Cycle with Me at Build 2019

Microsoft Build 2019 is right around the corner (not only from where I live, but also it starts next Monday), so what better time to plan some meetups with awesome .NET developers <3. There will be tons of awesome sessions, the Xamarin booth, but also tons of coffee drinking with me, and even a bike ride opportunity. Here is my schedule for Build! Monday May 6th 7am - 8am: Early Morning Coffee (pre-keynote): Monorail Espresso - (across the street from convention) 3pm - 3:30pm: Hub Theater…

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Why I Choose Xamarin to Build Cross-Platform Apps

It has been a little over 7 years since I left my day job at Canon crafting wonderful printer workflow management software, to dive into the world of mobile development. At the time it was an extremely tough decision because I had been only working on desktop Windows Forms and WPF applications, and this change meant entering a whole new unknown world of platforms that I didn't know much about. This move was not only changing my main day job, but also the city that I lived in with a fresh start i…

James Montemagno James Montemagno

I crush code and share it, publish NuGet packages, speak at conferences, upload videos, pretend I am good at playing video games, tweet up a storm, drink gallons of coffee, and ride my bike. Checkout my monthly newsletter that you should subscribe to!