Introduction to Xamarin Part 1 of 3

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Mike Bluestein

Developer Evangelist Xamarin

mikeb@xamarin.com @mikebluestein

INTRODUCTION TO XAMARIN

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What is Xamarin?

• Xamarin enables developers to reach all major mobile platforms!

Native User Interface Native Performance

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Silo’d Approach

Build Apps Multiple Times

• _{Multiple Teams}

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Write Once, Run Anywhere Approach

Black Box

• _{Least common denominator} • _{Browser fragmentation}

• _{Developing & designing for 1}

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Xamarin’s Unique Approach

• _{Native User Interface} • _{Native Performance} • _{Shared code across}

platforms

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C# Is Awesome

• _{LINQ Support}

• _{Work With XML Easily}

XDocument

• _{Event Handling &}

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C# Is Awesome – JSON Made Easy

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Probing for properties on an AudioFile_{C# with Xamarin}

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See the Different – Android ItemClick_{C# with Xamarin}

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Async/Await

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Why

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Write Everything in C#

iOS, Android, Windows, Windows Phone, Mac

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Xamarin History

Over a Decade of Enterprise Production Use

2000

Ximian Founded

2001

Mono Started

2003

Ximian Acquired by Novell

2009

First iOS product (now

Xamarin.iO S) launches

2011

Xamarin Founded

release of Xamarin.Mac

Launch Partner Program

2013

Xamarin 2.0

Component Store

Evolve 2013

Xamarin Test Cloud

Microsoft Partnership

Reach 200,000 Developer

Mark

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Anything you can do in Objective-C or Java can be done in C# and Visual Studio with

Xamarin!

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Xamarin.iOS does full Ahead Of Time (AOT) compilation to

produce an ARM binary for Apple’s App Store.

Native Performance

Xamarin.Android takes

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Always Up to Date

Always up-to-date with the latest APIs.

Great track record. Shipped same-day

support for iOS 5, iOS 6, iOS 6.1, iOS 7

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Code Sharing: Accelerate Development

Code-sharing stats from iCircuit, built with Xamarin and featured on the App Store.

Source: http://praeclarum.org/post/42378027611/icircuit-code-reuse-part-cinq

• _{Up to 90% Code Reuse}

• _{Leverage existing libraries}

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Portable Class Libraries

• _{1 Assembly}

• _{Multiple Platforms}

• _Including:

• _{Xamarin.Android}

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Portable Class Libraries Features

• _{Centralized Code Sharing}

• _{How you expect it to}

work

• _{Debug seamlessly into}

and out of PCL

• _{Project/Assembly Sharing}

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Microsoft and Xamarin Partner Globally

With Xamarin, developers combine all of the productivity benefits of C#, Visual Studio 2013 and Windows Azure with the flexibility to quickly build for multiple device targets.”

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Distribute Everywhere

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Xamarin.Mac Xamarin Studio

Xamarin Test Cloud Component Store

Xamarin.iOS

Xamarin.Android Xamarin for

Visual Studio

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Development Environment

Xamarin Studio

PC or Mac Visual Studio _Plugin VS

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Visual Studio Integration

A single solution:

• iOS

• Android

• Windows Phone

• Windows Store

Leverage the entire Microsoft ecosystem:

• ReSharper

• Team Foundation Server

• Your favorite code

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Visual Studio Integration

Debug to:

• Emulators

• Devices

Integrated into toolbar

• Status

• Logs

• List of devices