Cross-Platform Development with Xamarin

1. 2014 © Trivadis
BASEL BERN BRUGG LAUSANNE ZÜRICH DÜSSELDORF FRANKFURT A.M. FREIBURG I.BR. HAMBURG MÜNCHEN STUTTGART WIEN
2014 © Trivadis
Cross-Platform Development
with Xamarin
Thomas Claudius Huber
02.04.2014
Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
1

2. 2014 © Trivadis
02.04.2014
Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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> Principal Consultant @ Trivadis AG
>> Trainer, Coach, Developer, Architect
>> www.thomasclaudiushuber.com
> Specializes in WPF, XAML, WinApps
>> Author of several books
> Develops native Apps for major mobile
platforms: Windows Phone, Android, iOS
Thomas Claudius Huber

3. 2014 © Trivadis
Multi Platform
 Android 4
 iOS 7
 WinPhone 7.5 / 8
 Win 8/RT
02.04.2014
Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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Mobile Leads

4. 2014 © Trivadis
1. Xamarin’s Approach
2. Bringing .NET to Android/iOS
3. Develop a small cross platform application
02.04.2014
Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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Cross-Platform Development with Xamarin

5. 2014 © Trivadis
 Expensive to staff multiple platform-
specific teams
 Expensive to maintain multiple code
bases
 Slows innovation
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Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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Silo Approach: Build Apps Multiple Times

6. 2014 © Trivadis
 Poor user experience
 API coverage
 Performance
 High abandonment rates
 Wasted investment
02.04.2014
Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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Write-once-run-anywhere Approach
Black Box

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 Fully native apps written in C#
 Native UI, Native Performance
 Anything you can do in Objective-C
and Java can be done in Xamarin
 Re-use existing skills, teams, tools and
code
 Share on average 75% source code
across platforms
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Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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Xamarin’s Unique Approach

8. 2014 © Trivadis
1. Xamarin’s Approach
2. Bringing .NET to Android/iOS
3. Develop a small cross platform application
02.04.2014
Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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Cross-Platform Development with Xamarin

9. 2014 © Trivadis
Commercial LicenseOpen Source License / Free available
02.04.2014
Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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From .NET to Xamarin
Windows
.NET Framework
Linux
Mono
iOS
MonoTouch
Android
Mono for Android
iOS
Xamarin.iOS
Android
Xamarin.Android

10. 2014 © Trivadis
02.04.2014
Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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.NET for Linux
Windows Kernel
.NET Runtime (CLR)
.NET APIs
Application
Linux Kernel
Mono Runtime
.NET APIs

11. 2014 © Trivadis
02.04.2014
Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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.NET for Android
Android Kernel
Mono Runtime
.NET
APIs
Application
Dalvik Runtime
android.* java.*Android
Bindings
MCW
ACW
MCW = Mono Callable Wrapper
ACW = Android Callable Wrapper

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Application
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Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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.NET for iOS
iOS
Mono Runtime
Runtimes are not allowed
Application Code
.NET
APIs
iOS
Bindings

13. 2014 © Trivadis
02.04.2014
Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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Xamarin App Development Overview
Xamarin.iOS does full Ahead Of
Time (AOT) compilation to produce
an ARM binary suitable for Apple’s
App Store.
Xamarin.Android takes advantage
of Just In Time (JIT) compilation
on the Android device.

14. 2014 © Trivadis
1. Xamarin’s Approach
2. Bringing .NET to Android/iOS
3. Develop a small cross platform application
02.04.2014
Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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Cross-Platform Development with Xamarin

15. 2014 © Trivadis
02.04.2014
Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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Get started
Download Tools:
http://store.xamarin.com

16. 2014 © Trivadis
02.04.2014
Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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DEMO

17. 2014 © Trivadis
1. Xamarin’s Approach
2. Bringing .NET to Android/iOS
3. Develop a small cross platform application
02.04.2014
Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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Cross-Platform Development with Xamarin

18. 2014 © Trivadis
 provides .NET-based access to Android and iOS API
 allows development in Visual Studio
 with Business or Enterprise edition
 for iOS a Mac is needed to create UI and to compile
 allows a common code-basis for all platforms
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Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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Summary of Xamarin

19. 2014 © Trivadis
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Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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Verlosung

20. 2014 © Trivadis
Fragen und Antworten...
2013 © Trivadis
BASEL BERN BRUGG LAUSANNE ZÜRICH DÜSSELDORF FRANKFURT A.M. FREIBURG I.BR. HAMBURG MÜNCHEN STUTTGART WIEN
Cross Platform Development
with Xamarin
Thomas Huber
thomas.huber@trivadis.com
02.04.2014
Introduction into Cross-Platform Development with Xamarin ::: Thomas Claudius Huber
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