1. Building Cross Platform Mobile Apps
with Xamarin
Brandon Cornett

2. What is Xamarin?
• Established in 2011 by Miguel De Icaza and Nat Friedman
• Built on the Mono framework
• Suite of tools
• Simple to adapt to
• Ability to share code
• Use common data transfer objects
• Wraps each platform almost identically
• Async / Await, LINQ, etc.

3. Why Cross Platform Apps?
• Faster development cycles
• Better app visibility
• Shared code base
• Xamarin.Forms

4. Xamarin.Forms

5. Cross Platform Techniques
• Shared Projects
• Uses preprocessor directives (#region, #define, #if)
• Xamarin.Forms
• Portable Class Libraries

6. Portable Class Libraries
• Ability to choose platforms
• Only limited set of .NET
features
• Use interfaces for
platform-specific code

7. Demo

8. Xamarin Offerings
• Visual Studio Integration
• Mac
• Forms
• Apple Watch / Android Wear
• Android Player
• Components / NuGet
• TestCloud
• Insights

9. Get Started
• Free starter plans (no deployment)
• Small business plans
• Indie plans for $25 / month, free for students
• http://xamarin.com/

10. Questions?
@brandon_dev
bdev.io/sqlsat2015
http://xamarin.com/
https://en.wikipedia.org/wiki/Xamarin
https://en.wikipedia.org/wiki/Mono_(software)