An overview for Xamarin Fomrs: the platform for building native cross platform mobile apps for iOS Android and Windows.

1. Xamarin Forms
for native cross platform development

2. Your host
Houssem Dellai
Microsoft MVP
@HoussemDellai
www.houssemdellai.net

3. Make it fast, easy and fun
to create great mobile apps
Goal

4. Over 600,000 registered
developers
32,000 new developers per
month
Customers in 120 countries
Visionary in the Gartner Magic
Quadrant
Explosive Growth
# of developers

5. Enterprise Customers in all Verticals & Use Cases

6. The Anatomy of a Native App
Xamarin apps look and feel native because they are native
Native User Interfaces Native API Access Native Performance

7. Architecting
Mobile Apps

8. The Silo Approach
Build App
Multiple Times

9. The Write-Once-Run-Anywhere Approach
Lowest Common
Denominator

10. Xamarin’s Unique Approach
Native With
Code Sharing

11. Windows APIs

12. iOS APIs | 100% Coverage

13. Android APIs | 100% Coverage

14. Xamarin vs Xamarin.Forms
Xamarin Xamarin Forms

15. 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 App Logic
Shared UI Code

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

17. Xamarin Designer for iOS
 Fully integrated into Xamarin Studio
& Visual Studio
 iOS 6 & 7 Storyboard support
 Intuitive event handling
 Support for auto-layout
 Live preview of custom controls

18. Xamarin Studio: Beautiful new look

19. NuGet Package Manager
NuGet support combined with the Xamarin Component Store gives Xamarin
developers the most comprehensive ecosystem of libraries at their fingertips

20. Xamarin Designer for iOS in Xamarin Studio

21. First Class F# Support

22. Shared Projects
 The easiest way to
share code
 Eliminates the hassle
of file-linking
 Easier to collaborate
with other Xamarin
Studio & VS users

23. Demo

24. Portable Class Libraries

25. 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

26. Pages
Content MasterDetail Navigation Tabbed Carousel

27. Layouts
Stack Absolute Relative Grid ContentView ScrollView Frame

28. Controls

29. Demo

30. Model-View-ViewModel

31. MVVM

32. Data Binding – Refresh UI

33. Data Binding – Refresh UI

34. Data Binding in C#
Data Binding in XAML

35. Demo

36. Commands
 Used to Execute a method
when an action is performs,
such as a button click
 Ability to pass parameter
 Ability to have CanExecute

37. Commands

38. Generic Commands

39. Demo

40. Animations
 Cross-platform
animations
 Platform-specific
animation APIs!
 Async/Await API

41. Platform Customization

42. Native UI from shared code
<ContentPage Title="Profile"
Icon="Profile.png">
<StackLayout Spacing="20" Padding="20">
<Entry Placeholder="Username“
Text="{Binding Username}"/>
<Entry Placeholder="Password"
Text="{Binding Password}“
IsPassword="true"/>
<Button Text="Login“
TextColor="White"
BackgroundColor="#77D065"
Command="{Binding LoginCommand}"/>
</StackLayout>
</ContentPage>

43. Accessing Web Services

44. Accessing Web Services
4 super, powerful lines of code

45. Demo

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

48. 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

49. Thank you. Questions?
www.houssemdellai.net
@HoussemDellai