1. Developing Native iOS, Android, and Windows apps in C# with Xamarin
@XamarinHQ
#Xamarin
Developing Native iOS, Android,
and Windows apps in C# with Xamarin

2. Who is this guy? James Montemagno Developer Evangelist, Xamarin
@JamesMontemagno | motzcod.es
@XamarinHQ | blog.xamarin.com

3. Create native iOS, Android, Mac and
Windows apps in Visual Studio and C#
Automatically test your app on
hundreds of mobile devices

4. What is native?

5. The Anatomy of a Native App
Native User Interfaces
Native API Access
Native Performance

6. Architecting Mobile Apps

7. Build App Multiple Times
The Silo Approach
Build App Multiple Times

8. The Write-Once-Run-Anywhere Approach
Lowest Common
Denominator
Poor user experience
– API coverage
– Performance
High abandonment rates
Wasted investment

9. Xamarin’s Unique Approach
Native With
Code Sharing

10. Windows APIs

11. iOS APIs | 100% Coverage

12. Android APIs | 100% Coverage

13. Anything you can do in Objective-C, Swift, or Java can be done in C# with Xamarin using Visual Studio

14. Native Performance
Xamarin.iOS does full Ahead Of Time (AOT) compilation to produce an ARM binary for Apple’s App Store.
Xamarin.Android takes advantage of Just In Time (JIT) compilation on the Android device.
There is no compromise on performance.
Xamarin apps look and feel native because they are native.

15. Emerging Technologies & Devices
Android Wear Google Glass Amazon Fire Phone Amazon Fire TV

16. Live Coding Adventure 1

17. Portable Class Libraries

18. Xamarin + Xamarin.Forms
With Xamarin.Forms:
more code-sharing, native controls
Traditional Xamarin approach
Shared UI Code

19. Xamarin + Xamarin.Forms
Quickly and easily build native user interfaces using shared code
Xamarin.Forms elements map to native controls and behaviors
Mix-and-match Xamarin.Forms with native APIs
Shared UI Code I

20. What’s Included 40+ Pages, Layouts, and Controls
Build from code behind or XAML
Two-way Data Binding
Navigation
Animation API
Dependency Service
Messaging Center

21. Pages
Content
MasterDetail
Navigation
Tabbed
Carousel
First you have a set of pages for each screen of your application
There are things like Content, and MasterDetail which gives you a nice flyout
With a tabbed view you get the correct look on each platform
iOS on bottom, Android on top, and on WP you have a Pivot control

22. Layouts Inside of a page are layouts
Stack
Absolute
Relative
Grid
ContentView
ScrollView
Frame
Inside of a page are layouts
A lot of options from something simple like a stack panel to complex and powerful grids

23. Controls ActivityIndicator BoxView Button DatePicker Editor Entry
Image
Label
ListView
Map
OpenGLView
Picker
ProgressBar
SearchBar
Slider
Stepper
TableView
TimePicker
WebView
EntryCell
ImageCell
SwitchCell
TextCell
ViewCell

24. Login ViewModel

25. Login Page – Code Behind

26. Login Page – XAML

27. Login Page

28. Live Coding Adventure 2

29. Key Attendees
xamarin.com/evolve

30. xamarin.com/university
Unrivaled Mobile Development Training
Live unlimited mobile development training from mobile experts, in your time-zone, on your schedule and as often as you'd like

31. Get Started Today: xamarin.com/download

32. Q & A Get your free C# t-shirt: xamarin.com/shirt
Find Me:
@JamesMontemagno | motzcod.es
@XamarinHQ | blog.xamarin.com
Q & A
Get your free C# t-shirt:
xamarin.com/shirt