Ben Henderson gave a presentation on creating cross-platform mobile apps using Xamarin. He discussed Xamarin's history and toolkit, demonstrated a sample app called "Yoda Says" that provided translations in a shared codebase across iOS and Android, and encouraged attendees to download Xamarin, try the sample code, and watch tutorial sessions to get started with mobile development using C# and .NET.

1. Beginner’s Guide to Mobile
Development with
Xamarin
Presented by Ben Henderson
Partner & Senior Software Engineer
Monday, July 29, 13

2. • Open spaces at 12:30 pm - Talk Xamarin
over lunch
• Brent Schooley - “Creating Cross-Platform
Mobile Apps using C# with Xamarin” -
1:50pm in room 413b
Monday, July 29, 13

3. Beginner friendly
Monday, July 29, 13

4. “Create Native Mobile iOS
and Android Apps with C#
and .NET Base Class Library”
Monday, July 29, 13

5. Introduction
• What’s our motivation?
• Who are Xamarin?
• The Xamarin toolkit
• Sample app
• Tips for getting started
• Questions and (hopefully) answers
Monday, July 29, 13

6. What’s our Motivation?
Monday, July 29, 13

7. Customers want native
on all platforms
Monday, July 29, 13

8. Be a Superhero
Monday, July 29, 13

9. Who are Xamarin?
Monday, July 29, 13

10. Young company, experienced team
Miguel de Icaza
CTO
Joseph Hill
COO
Nat Friedman
CEO
Monday, July 29, 13

11. • 1999 - Ximian - “The Mono Guys”
• 2004 - Novell buys Ximian
• Sept. 2009 - MonoTouch v1.0
• Early 2011 - Mono for Android v1.0
• Feb. 2011 - Attachmate buys Novell. Fires US
workers, owns IP.
• May 2011 - Xamarin is formed. Starting from scratch.
• July 2011 - Xamarin and Novell reach IP agreement.
Monday, July 29, 13

12. Xamarin Toolkit
Monday, July 29, 13

13. Pricing
Monday, July 29, 13

14. Code with C# against the Base
Class Library
Monday, July 29, 13

15. Native frameworks via .NET style
APIs
Monday, July 29, 13

16. Share code across platforms
Monday, July 29, 13

17. Compile code to native app
Monday, July 29, 13

18. Development Environments
Monday, July 29, 13

19. Component Store
Monday, July 29, 13

20. Training and Documentation
Monday, July 29, 13

21. Partner Program
Monday, July 29, 13

22. Annual Conference
Monday, July 29, 13

23. Annual Conference
Monday, July 29, 13

24. Annual Conference
Monday, July 29, 13

25. Annual Conference
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26. Sample App
Hai!
Monday, July 29, 13

27. Wireframe
Monday, July 29, 13

28. “Yoda Says” App
• iOS and Android Clients
• Shared Code - consume web service,
persist data, model, and view model
• Platform Abstraction - create image
• Component Store - iOS progress HUD
• Open Source Code - TinyIoC, RestSharp,
SimpleJSON
Monday, July 29, 13

29. Demo
Monday, July 29, 13

30. Project Structure
Monday, July 29, 13

31. Native and Shared Concepts
Monday, July 29, 13

32. Sample Interaction:Translation
Monday, July 29, 13

33. Get Started
• Download Xamarin for iOS and Android
• Start a 30 day trial
• Grab code from GitHub
https://github.com/benhenderson/yodasays
• Make an Android emulator
• Checkout the Field Service sample, too
http://xamarin.com/prebuilt/fieldservice
Monday, July 29, 13

34. Get Started
• Watch Evolve 2013 sessions
http://xamarin.com/evolve/2013
• Study Xamarin documentation
http://docs.xamarin.com/
• Under promise on your first project
• Buy an Android device
Monday, July 29, 13

35. Questions &
Answers
Monday, July 29, 13

36. There is no more :(
Monday, July 29, 13