Cross platform mobile

development using

Xamarin George Spyrou , Software Engineer

App stores statistics (June 2016)

• Google Play : 2.2M

• Apple App Store : 2M

• Windows Store : 0.67M

• Amazon App Store : 0.6M

Source : https://www.statista.com

Native apps

iOS Windows Android

Objective-C Xcode

C# Visual Studio

Java Android Studio

No shared code • Many languages & development environments • Multiple teams

HTML5 apps

App Generator

Lua

Javascript

Actionscript

HTML+CSS

Limited native API access • Slow performance • Poor user experience

Xamarin

Shared C# codebase • 100% native API access • High performance

iOS C# UI

Windows C# UI Android C# UI

Shared C# Mobile

Xamarin

Xamarin

Xamarin

Xamarin.Forms

Shared C# Backend

Shared UI Code

With Xamarin.Forms:

More code-sharing, all native

Demo

iOS Android

Resources

• Xamarin for Visual Studio + Xamarin Studio for OSX

https://www.xamarin.com/download

• Creating Mobile Apps with Xamarin.Forms Book

First Edition

https://aka.ms/xamebook

• Xamarin.Forms sample apps

https://github.com/xamarin/xamarin-forms-

samples

• James Montemagno blog

http://motzcod.es/

Thank you!