Introduction to Xamarin

@rid00z www.xamarinhackday.com www.michaelridland.com

Introduction to Xamarin


Michael Ridland

Mobile Developer

[email protected]

@rid00z

www.michaelridland.com

mailto:[email protected]

http://www.michaelridland.com


What is native?


The Anatomy of a Native App

Native User Interfaces Native API Access Native Performance


The Silo Approach

Build App

Multiple Times


Xamarin’s (Traditional) Approach

Native With

Code Sharing


Language Support

Functional Imperative

F#

C#


C# Language Features

C# 1 & 2 (2002-2006)

Statically Typed

C style language

Object Oriented

C# 3.0 (2007)

• Automatic Properties

• Collection Initialisers

• Type Inference

• LINQ

• Lamdba expression

• Anonymous Types

• … + more

C# 4 (2010)

dynamic types

named arguments

optional arguments

… + more

C# 5 (2013)

BuiltIn Async (async/await)

C# 6 (2013)

Null propagator

Expression-bodied members

… + more


F# Language Features (largely OSS community driven)

F# 1 (2005)

Functional programming

Discriminated unions

Records

Tuples

Pattern matching

Type abbreviations

Object programming

Structs

… + more

F# 2 (2010)

Active patterns

Units of measure

Sequence expressions

Asynchronous programming

Agent programming

Extension members

F# 3 (2012)

Type providers

LINQ query expressions

CLIMutable attribute

Triple-quoted strings

Auto-properties

… + more

F# 4 (2013)

Printf on unitized values

Extension property initializers

Non-null provided types

Class names as functions

Static parameters for provided methods

Printf interpolation

… + more

F# 5 (2015)

… + lots lots more


What is LINQ?


What is Language Level Async


Base Class Libraries


Windows APIs


iOS APIs | 100% Coverage


Android APIs | 100% Coverage


Anything you can do in Objective-C or Java

can be done in C# or F# with Xamarin

Pro Tip


Native Performance

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.


Demos

Demos


Always Up To Date

Same day support for

iOS 5, iOS 6, iOS 6.1,

iOS 7, iOS 7.1, iOS 8…


Future Proof

Always up-to-date with the latest APIs from

Apple and Google.

Full Support for Android TV, Fire TV, Android Wear, Google Glass, etc


Distribute Everywhere

A Xamarin app is an app, distribute it everywhere


Rich Library EcoSystem

Json.NET Rx

…and many more!


Development Environments


Development Environment

Xamarin Studio

PC or Mac

Visual Studio Plugin

VS 2010/2012/2013


Development Environment

or even?


Visual Studio Integration


Android Designer


iOS Designer

Fully integrated into Xamarin

Studio & Visual Studio

iOS 6 & 7 Storyboard support

Intuitive event handling

Support for auto-layout

Live preview of custom controls


Component Store


Xamarin.Forms


Xamarin.Forms

Xamarin.FormsTraditional Xamarin approach

Shared UI Code


Xamarin.Forms: What’s Included?

40+ Pages, Layouts, and Controls

Build from code or XAML

Two-way Data Binding

Navigation

Animation API

Dependency Service

Messaging Center


Xamarin.Forms: Pages

Content MasterDetail Navigation Tabbed Carousel


Xamarin.Forms: Layouts

Stack Absolute Relative Grid ContentView ScrollView Frame


Xamarin.Forms: Controls

ActivityIndicator BoxView Button DatePicker Editor

Entry Image Label ListView Map

OpenGLView Picker ProgressBar SearchBar Slider

Stepper TableView TimePicker WebView EntryCell

ImageCell SwitchCell TextCell ViewCell


Xamarin Forms Demo


Real Apps


Extended Product Line (Some Pre-Release)


Xamarin Test Cloud


Xamarin Test Cloud Customers


Xamarin Android Player

Super fast hardware accelerated

simulator

Available on Mac and PC

Free for Xamarin Customers



Exception Reporting

Custom Reporting


Event Tracking

Performance Tracking


Match exceptions

to users


Sketches

Live Coding Environment


Xamarin Profiler Preview

Analyse performance of your apps


Profitable Innovative Company

Yes, the platform does cost money but that’s

GREAT!

It gives them money to solve more problems!

It gives them money to build the ecosystem!


Moving from Obj-C to Xamarin

Special Guest David Dancy


Q & A

Michael Ridland

[email protected]

@rid00z

www.michaelridland.com

mailto:[email protected]

http://www.michaelridland.com

Date post:	08-Jul-2015
Category:	Technology
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Introduction to Xamarin

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