Presentation for user group talk 14 July 2016

1. +
14 July 2016

2. Craig Dunn
Xamarin Microsoft
craig@xamarin.com conceptdev.
blogspot.com
@conceptdev

3. First
release of
Xamarin.Mac
Launch
Partner
Program
200,000
Developers
Xamarin
Founded
First release of
Xamarin.Android
Xamarin.iOS launches
(originally known as
MonoTouch)
Ximian
Founded
2001 2003 2009 2011 2012 2013
Mono
Launches
Ximian Acquired
by Novell
Xamarin 2.0
Component Store
Xamarin Test Cloud
Evolve 2013
Microsoft Partnership
500,000
Developers
100+ Partners
100+ Components
2014
//
Xamarin 3
2000
SAP Partnership
Fire TV Support
Salesforce partnership
Visionary in Gartner Magic
Quadrant
Google Glass Support
Visual Studio Partner
of the Year
Android Wear Support
Xamarin Evolve 2014
800,000
Developers
200+ Partners
200+ Components
2015
1 Million Developers
IBM Partnership
Visual Studio 2015 Support
Oracle Partnership
Apple Watch Support
C# 6 Support
1,100,000
Developers
230+ Partners
300+ Components
Xamarin Insights
Xamarin University
Xamarin.iOS
Xamarin.Android
Xamarin.Mac
2016
Microsoft
Test Cloud
Xamarin.Forms
.NET & Mono
MonoMac
MoonlightSilverlight
2010

4. Shared C# codebase • 100% native API access • High performance
iOS C# UI Windows C# UIAndroid C# UI
Shared C# Code

5. ✓ Android
✓ iOS
✓ Xamarin.Forms
 File > New
 App Settings
 Screen design
 Images & Resources
 C# code
X

6. Android

7. ✓ demo: TaskyProPortable

8. Mono
Android C#
.NET
Windows C#
Shared C# Code
Mono
iOS C#
Parts of Mono being used
(unused code linked away)
runs natively on Android
• User Interface Code (C#)
• Android XML layouts
• Platform features (eg Android M)
Widgets
etc
SQLite
URLConnection
file system
etc
native UI
Android
Java
C NDK“bindings”
Shared C# Code
• Business Logic
• Database (SQLite)
• Web services
• File operations

9. Xamarin.Android takes advantage of
Just In Time (JIT) compilation on the
Android device.

14. iOS

15. ✓ Create iOS, tvOS, watchOS apps
✓ Access all native iOS features
✓ Edit Storyboards and XIBs
✓ Build, test in simulator, debug
✓ Also use Xamarin.Studio on OS X

16. ✓ demo: TaskyStoryboard

21. ✓ demo: To9o

22. Mono .NETMono
iOS C# Windows C#Android C#
Shared C# Code
Parts of Mono being used
(unused code linked away)
runs natively on iOS
• User Interface Code (C#)
• Storyboards & XIBs
• Platform features (eg iOS 9)
Shared C# Code
• Business Logic
• Database (SQLite)
• Web services
• File operations
UIKit
PassKit
etc
SQLite
NSUrlSession
file system
etc
native UI
iOS
CocoaPods
Obj-C libs“bindings”

23. 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.

24. https://medium.com/@harrycheung/mobile-app-
performance-redux-e512be94f976#.5thv4hcj8

25. Mac
iOS
Android
Windows Phone
iCircuit Touch Draw
86%
14%
72%
28%
70%
30%
61%39%
88%
12%
76%
24%
90%
10%

26. Xamarin.Forms

27. Traditional Xamarin
Approach
With Xamarin.Forms:
More code-sharing, still all native
iOS C# UI Windows C# UIAndroid C# UI
Shared C# Backend
Shared UI Code
Shared C# Backend

30. ✓ demo: Todo (Xamarin.Forms)

32. craig@xamarin.com conceptdev.blogspot.com @conceptdev
Sample Code
github.com/xamarin/mobile-samples
github.com/conceptdev/xamarin-samples
github.com/xamarin/xamarin-forms-samples

33. Craig Dunn
Xamarin Microsoft
craig@xamarin.com conceptdev.blogspot.com @conceptdev
Thank you!