Developing Native iOS, Android, and Windows apps in C# with Xamarin

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@ XamarinHQ #Xamarin. Developing Native iOS, Android, and Windows apps in C# with Xamarin. Who is this guy?. James Montemagno. Developer Evangelist, Xamarin. james.montemagno@ xamarin.com @ JamesMontemagno | motzcod.es @ XamarinHQ | blog.xamarin.com. - PowerPoint PPT Presentation

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Developing Native iOS, Android, and Windows apps in C# with Xamarin

@XamarinHQ#Xamarin1Who is this guy?James MontemagnoDeveloper Evangelist, Xamarinjames.montemagno@xamarin.com

@JamesMontemagno | motzcod.es

@XamarinHQ | blog.xamarin.com

2

Automatically test your app onhundreds of mobile devices Create native iOS, Android, Mac andWindows apps in Visual Studio and C#

3What is native?4The Anatomy of a Native App

Native User InterfacesNative API AccessNative Performance5Architecting Mobile Apps6The Silo ApproachBuild App Multiple Times

7The Write-Once-Run-Anywhere ApproachLowest CommonDenominator

Poor user experience API coverage Performance

High abandonment rates

Wasted investment

8Xamarins Unique ApproachNative With Code Sharing

9Windows APIs

10iOS APIs | 100% Coverage

11Android APIs | 100% Coverage

12Anything you can do in Objective-C, Swift, or Java can be done in C# with Xamarin using Visual Studio13Xamarin.iOS does full Ahead Of Time (AOT) compilation to produce an ARM binary for Apples App Store.Native PerformanceXamarin.Android takes advantage of Just In Time (JIT) compilation on the Android device.

There is no compromise on performance.Xamarin apps look and feel native because they are native.14

Emerging Technologies & Devices

Android Wear Google Glass Amazon Fire Phone Amazon Fire TV15Live Coding Adventure 116Portable Class Libraries

Xamarin + Xamarin.Forms

With Xamarin.Forms: more code-sharing, native controlsTraditional Xamarin approachShared UI Code18Xamarin + Xamarin.Forms

Shared UI CodeQuickly and easily build native user interfaces using shared code

Xamarin.Forms elements map to native controls and behaviors

Mix-and-match Xamarin.Forms with native APIsI19Whats Included40+ Pages, Layouts, and ControlsBuild from code behind or XAML

Two-way Data Binding

Navigation

Animation API

Dependency Service

Messaging Center

20Pages

ContentMasterDetailNavigationTabbedCarousel

First you have a set of pages for each screen of your applicationThere are things like Content, and MasterDetail which gives you a nice flyoutWith a tabbed view you get the correct look on each platformiOS on bottom, Android on top, and on WP you have a Pivot control21Layouts

StackAbsoluteRelativeGridContentViewScrollViewFrameInside of a page are layoutsA lot of options from something simple like a stack panel to complex and powerful grids

22ControlsActivityIndicatorBoxViewButtonDatePickerEditorEntryImageLabelListViewMapOpenGLViewPickerProgressBarSearchBarSliderStepperTableViewTimePickerWebViewEntryCellImageCellSwitchCellTextCellViewCell23Login ViewModel

24Login Page Code Behind

25Login Page XAML

26Login Page

27Live Coding Adventure 228Key Attendees

xamarin.com/evolveUnrivaled Mobile Development Training

Live unlimited mobile development training from mobile experts, in your time-zone, on your schedule and as often as you'd likexamarin.com/university30

Get Started Today: xamarin.com/download

31Q & A

Get your free C# t-shirt:xamarin.com/shirt

Find Me:@JamesMontemagno | motzcod.es@XamarinHQ | blog.xamarin.com32