James Montemagno, a principal program manager at Microsoft, presents on mobile developer tools, highlighting the capabilities of Xamarin for C# and F#. He emphasizes the native API access, high performance, and shared codebase for iOS and Android, while introducing Azure Cognitive Services and improvements in Xamarin Live. The session also addresses code reuse opportunities and the integration of .NET libraries into native applications.

1. experiences.microsoft.fr #experiences17

2. Who’s this guy?
James
Montemagno
Principal Program Manager – Mobile Developer Tools, Microsoft
motz@microsoft.com Montemagno.com @JamesMontemagno
Weekly development podcast
mergeconflict.fm
Weekly development show
xamarinshow.com

3. Microsoft experiences’17#experiences17
 Native-first
 Anything you can do with Java, ObjC, or Swift you can do
in Visual Studio with C# or F#
 Same-day releases for new platform capabilities

5. Native User Interfaces Native API Access Native Performance

6. iOS C# UI Windows C# UIAndroid C# UI
Shared C# logic
Xamarin’s unique approach
Shared C# codebase • 100% native API access • High performance

7. Windows APIs
Microsoft.Phone Microsoft.Networking Windows.Storage Windows.Foundation Microsoft.Devices
System.Data System.Windows System.Numerics System.Core System.ServiceModel
System.Net System System.IO System.Linq System.Xml
C#

8. iOS – 100% API coverage
MapKit UIKit iBeacon CoreGraphics CoreMotion
System.Data System.Windows System.Numerics System.Core System.ServiceModel
System.Net System System.IO System.Linq System.Xml
C#

9. Android – 100% API coverage
Text-to-speech ActionBar Printing Framework Renderscript NFC
System.Data System.Windows System.Numerics System.Core System.ServiceModel
System.Net System System.IO System.Linq System.Xml
C#

11. Microsoft experiences’17#experiences17
 Mobile Operating System Update Season
 Oreo
 Fresh Apple Support

12. Microsoft experiences’17#experiences17
Azure

13. Cognitive Services

16. Easier to get started
Installation
• Faster installer
• Better defaults
• Less space on disk
First Run
• Xamarin Live
• Better templates
• Mobile + Cloud
• Fastlane
Improve
Build/Debug Cycles
• Live coding
• Edit, save, view
• Faster build and
deploy times

17. Xamarin Live
Continuously deploy & debug apps

18. Xamarin Live Setup

21. The Struggle is Real

22. The Struggle is Real

23. Simplified Provisioning
Fastlane integration in VS for Mac
1
2
3
4
5

26. CocosSharp
UrhoSharp

27. UrhoSharp – Easy 3D, VR, and AR
Think “Xamarin.Forms for 3D”

28. AR for Android, iOS, and HoloLens

29. Microsoft experiences’17#experiences17
Traditional Xamarin Approach With Xamarin.Forms
Shared UI Code

30. Microsoft experiences’17#experiences17

31. Microsoft experiences’17#experiences17

32. Microsoft experiences’17#experiences17

36. Microsoft experiences’17#experiences17
LIBRARIES
INFRASTRUCTURE
.NET STANDARD

37. There are existing codebases in ObjC, Java, Swift, C++.
How could you reuse all the .NET greatness there?
• All those amazing libraries
• All the NuGets
• No need to start from scratch
• Easy migration

38. Turns any .NET library into a native library
Shared C#/.NET Logic
Android
Java
iOS
Swift
tvOS
Swift
macOS
Objective-C
Linux
C++
Jar/Aar DynamicLib Framework Framework C++

40. Free self-guided courses

41. Thank you.
James
Montemagno
Principal Program Manager – Mobile Developer Tools,
Microsoft
motz@microsoft.com Montemagno.com @JamesMontemagno
Weekly development podcast
mergeconflict.fm
Weekly development show
xamarinshow.com

42. © 2017 Microsoft Corporation. All rights reserved.
experiences.microsoft.fr #experiences17