The document is a presentation on cross-platform mobile development using C# and Xamarin, covering topics like Xamarin's introduction, history, and tools. It discusses the advantages and challenges of using Xamarin, highlights comparisons with competitors, and includes a case study on a mobile application. The document emphasizes practical steps for getting started and code sharing among platforms.

1. CROSS-PLATFORM MOBILE
DEVELOPMENT WITH
C# AND XAMARIN SDK
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2. Nguyễn Lê Phú An
Software Engineer, KMS
Nguyễn Ngọc Trí
Software Engineer, KMS
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TODAY SPEAKERS
anlpnguyen@kms-technology.com trinnguyen@kms-technology.com

3. AGENDA
 Introducing Xamarin
 Xamarin - Getting started
 Other Worth Mentioning
 More Q&A
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4. INTRODUCING XAMARIN
What is Xamarin?
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5. XAMARIN HISTORY
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 Founded in May 2011
 76 Employees
 Already > 13.000 paying customers
Nat Friedman
CEO and co-founder
@natfriedman
Miguel de Icaza
CTO and co-founder
@migueldeicaza

6. XAMARIN PRODUCTS
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SDKs IDE

7. Xamarin
Compiler
C#
Wrapper
BINDING TO NATIVE SDK
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8. UI SAMPLE CODE
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Xamarin Native

9. CODE SHARING
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Device Access
Layer
Device Access
Layer
Device Access
Layer

10. LIBRARY REUSING
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Libraries

11. XAMARIN STUDIO
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 Common IDE features (auto
completion, source control…)
 Design UI:
o Android: Xamarin Designer
o iOS: Xcode integration
 Debugging and Building Tools
(support simulator and device debug)

12. VISUAL STUDIO PLUGIN
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13. GETTING STARTED
Let’s practice!
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14. FIRST STEP
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SIMPLE PROJECT
1. Creating a iOS project
2. Working with Xcode IB
3. Creating a Android project
4. Working with Xamarin Designer

15. CODE SHARING
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TASKY
1. Creating core project
2. Linking core project
3. Implementation

16. LIBRARY REUSE
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1. Getting source code
2. Implement Objective C
wrapper
3. Building static library
4. Implement C# wrapper
5. Calling
PJSIP

17. LIBRARY REUSE
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SHERLOCK ACTION BAR
1. Getting source code
2. Packing (JAR or ZIP)
3. Generating C# Wrapper
4. Calling

18. OTHER WORTH MENTIONING
Highlights
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19. KMS Technology Property 19
WHAT WE LOVE
Cross-platform development in C#
Native UI, Native Performance
Reuse existing code
Visual Studio or Xamarin Studio

20. KMS Technology Property 20
WHAT WE HATE
Requires platform’s knowledge
Expensive!
Need Mac OS X machine for iOS
development

21. CUSTOMER SERVICES
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22. COMMUNITIES
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23. XAMARIN VS COMPETITORS
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Xamarin Titanium PhoneGap Corona
Platforms iOS, Android,
Windows Phone
7 & 8
iOS, Android,
Blackberry
iOS, Android, Windows
Phone, Blackberry…
iOS, Android
Language C# Javascript HTML, CSS, Javascript Lua, Objective C, C,
Java
Pricing $300
platform/develope
r/year
Free Free $600 developer/year
UI Capabilities Native UI (rich) Native UI (rich) Web UI Common native UI
controls (acceptable)
Access of device
API
Full Access Full Access Limited Almost Full Access
Performance Nearest Native Nearly Native Device’s Web View
performance
Nearly Native
OpenGL
Application Types Productivity/Utility
/ Enterprise Apps
Productivity and
Utility Apps
Basic/Simple Apps Game

24. CASE STUDY
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SMART SHOOT
Empower your smart phone’s camera with:
Choose the best faces while shooting
Tag and find people with their names

25. REFERENCES
• http://docs.xamarin.com/
• http://xamarin.com/how-it-works
• http://components.xamarin.com/
• http://stackoverflow.com/questions/tagged/mono
droid+or+monotouch?sort=active
• http://en.wikipedia.org/wiki/Xamarin
• http://www.mono-project.com/Main_Page
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26. © 2013 KMS Technology
26
THANK YOU