James Montemagno
James Montemagno

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James Montemagno

iOS

Xamarin Live Player - VS 2017 version 15.4 & 15.5 Awesomeness

Last week Visual Studio 2017 version 15.4 and VS for Mac 7.2 were released into the stable channel. They include the very first release of the Xamarin Live Player capabilities in Visual Studios. This means you can simply update Visual Studio, turn on Xamarin Live Player (Preview), and get started visualizing your mobile apps with nothing more than VS and your iOS or Android device! Whenever there is a stable release a new preview release of Visual Studio is not far behind. That is right, VS 2017…

James MontemagnoJames Montemagno

iOS 11 Missing Marketing Icon

It is update season for iOS and Android applications with new versions of the operating systems being released. Today, I was on my way to push out a new version of the Xamarin Live Player to Test Flight users and hit this nasty error: Missing Marketing Icon. iOS Apps must include a 1024x1024px Marketing Icon in PNG format. Apps that do not include the Marketing Icon cannot be submitted for App Review or Beta App Review. What is that?!?!? I swear I uploaded the icon to iTunes connect. Well... I d…

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Dynamically Changing Xamarin.Forms Tab Icons When Selected

Spicing up your Xamarin.Forms tab can easily be done in a few ways. You can add tint color in Android when the user deselects a tab, which can also be done in iOS in addition to a full swap of a selected image. It was recently pointed out to me that these blogs highlighted a way of adding back a bit of nativeness, but didn't answer a different question of how to actually completely change the icon itself when a tab is selected. This question caught me off guard as I have never really changed th…

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Why Xamarin.Forms Embedding Matters

Last week I wrote about Xamarin.Forms Embedding, a great new feature of Xamarin.Forms, that enables developers to convert a Xamarin.Forms ContentPage to an iOS UIViewController, Android Fragment, and a UWP Page. I walked through the current setup and a real world example of adding a Xamamarin.Forms details pages to my Xamarin Native application which previously only had native Storyboards and Android XML pages. When I originally got this setup and working I was blown away by this feature and it…

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Embedding Xamarin.Forms into a Xamarin Native App #TheFuture

You know I love Xamarin.Forms, but I also absolutely love Xamarin Native with iOS Storyboards, Android XML, and all of that UWP goodness. When you want to build an app that opens in sub-2 seconds, super optimized, and takes advantage of every custom control and animation out there (especially with material design) you have to go Xamarin Native. That is why the next evolution and favorite new feature, Xamarin.Forms embedding, of Xamarin.Forms enables you to embed any Xamarin.Forms ContentPage int…

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