What A Microsoft Xamarin Buy Would Mean

If Microsoft buys Xamarin, it will be a big shift in mobile strategy -- and good news for mobile app developers who want to work across Microsoft, iOS, and Android mobile platforms.

Todd Anglin, EVP Cross-Platform Tools & Services, Telerik

March 24, 2014

4 Min Read

The Microsoft developer community is abuzz over speculation that Microsoft will announce the acquisition of Xamarin, a popular cross-platform mobile development framework that enables Microsoft .NET developers to create native applications for iOS and Android using Microsoft's Visual Studio and C# programming language. The move would be a major shift in Microsoft's mobile strategy, and a welcome change for the millions of Microsoft developers around the globe who have thus far been left in the cold with Windows Phone and Windows 8.

Mobile application developers essentially have three ways to develop mobile apps today: Web, hybrid, and native. These options offer developers trade-offs in the "reach" of an app (how many devices it can run on) versus its "richness" (how much of a device's underlying power can be harnessed). Web apps rely strictly on Web standards. They're accessed via Web browsers found on every mobile device, which gives them maximum reach. Native apps, on the other hand, build on vendor-specific APIs and the features available in platforms like iOS, Android, and Windows Phone. They give an app maximum power but limited reach. Hybrid apps attempt to blend the benefits of Web and native, letting developers use universal Web standards like HTML and JavaScript to reach multiple platforms, but tossing in a bit of platform-specific native code to give hybrid apps native-like capabilities and deployment options.

While these are the most common ways to build mobile apps, there is another sub-category of native development where frameworks like Xamarin live. These so-called "cross-compile" frameworks let developers code against an abstraction layer that eventually compiles into native apps for multiple mobile platforms. It helps accelerate the development of cross-platform, native apps, and often has the added appeal of letting developers create native apps using more familiar programming languages (like C# or JavaScript).

From the outset, Xamarin has been narrowly focused on enabling .NET developers to use their existing C# skills to create native mobile apps for iOS and Android. It provides a proprietary abstraction that does the heavy lifting to map and then compile .NET code to native application packages. This is clearly a very appealing option for .NET developers who want to build native apps.

Given the intrinsic link to the .NET developer, Xamarin in many ways has always been an extension of the core Microsoft .NET framework. It provides the low-level compilations necessary to reuse .NET across today's most popular mobile platforms. If Microsoft acquires Xamarin, it would formalize this reality and eliminate some of the lingering fear companies may have betting on a startup's proprietary framework. This will also likely reduce other barriers to adoption (especially pricing and licensing). It would be a big step forward for .NET and the .NET community.

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The move would also be significant as it would be the first time one of the major mobile platform vendors embraced a tool that supported a competitor's app development. To date, Apple, Microsoft, and Google have been very protective of their own app ecosystems, even going so far as acquiring startups that support multiple platforms and subsequently removing those cross-platform capabilities. (Apple did this with its recent acquisition of Burstly, makers of TestFlight).

It will be hard to read a Microsoft acquisition of Xamarin as anything less than an acknowledgement that Windows Phone cannot catch Android and iOS. It may be viewed as an attempt by Microsoft to improve the odds of seeing Windows Phone versions of apps that are built with Xamarin technology.

Whatever Microsoft's motivation, companies that focus on creating tools and services for developers who build mobile apps for all platforms will welcome this change. A Microsoft-backed cross-compile framework will create more opportunity for developers interested in this cross-platform native app development approach. There will never be any silver bullets in app development, and mature mobile software strategies will always call for a mix of Web, hybrid, and native development. Perhaps in the future that can also easily include cross-platform native development backed by an unlikely champion: Microsoft.

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About the Author(s)

Todd Anglin

EVP Cross-Platform Tools & Services, Telerik

As the EVP of Cross-Platform Tools & Services at Telerik, Todd Anglin is responsible for Telerik's growing line of tools for web and mobile apps development, including Kendo UI and Icenium. He leads a global team of engineers, evangelists, and business analysts and oversees the design, creation, sales, and support of Telerik's industry-leading HTML/JavaScript tools. He joined Telerik in 2007, and prior to his current role he was Telerik's Chief Evangelist, building and coordinating Telerik's global evangelism efforts. Todd is a well respected HTML5 industry leader and is an active member of the .NET and HTML5 developer communities. He is also a Microsoft MVP, founder and President of the North Houston .NET Users Group, and O'Reilly author. Previously, he worked in Fortune 200 financial services enterprise IT, and has experience independently building and selling SaaS. He graduated with business honors from Mays Business School at Texas A&M University with a Bachelor's degree in business administration. He is based in Telerik's office in Houston, Texas.

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