Xamarin Dev Days 2017- Introduction to Xamarin

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Slides, Demos, & Lab - Clone or Download: http://github.com/xamarin/dev-days-labs

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iOS Windows Android Objective-C Xcode C# Visual Studio Java Android Studio No shared code • Many languages & development environments • Multiple teams

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App Generator Lua Javascript Actionscript HTML+CSS Limited native API access • Slow performance • Poor user experience

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Shared C# codebase • 100% native API access • High performance iOS C# UI Windows C# UI Android C# UI Shared C# Mobile

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Microsoft.Phone Microsoft.Networking Windows.Storage Windows.Foundation Microsoft.Devices System.Data System.Windows System.Numerics System.Core System.ServiceModel System.Net System System.IO System.Linq System.Xml C#

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MapKit UIKit iBeacon CoreGraphics CoreMotion System.Data System.Windows System.Numerics System.Core System.ServiceModel System.Net System System.IO System.Linq System.Xml C#

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Text-to-speech ActionBar Printing Framework Renderscript NFC System.Data System.Windows System.Numerics System.Core System.ServiceModel System.Net System System.IO System.Linq System.Xml C#

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Building User Interfaces

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3 Native User Interfaces Shared App Logic iOS C# Windows C# Android C# Shared C# Logic

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Shared User Interface Shared App Logic Shared C# Logic Shared UI Code

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CocosSharp UrhoSharp

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86% 14% 72% 28% 70% 30% 61% 39% 88% 12% 76% 24% 90% 10%

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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.

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✓Always Up-to-Date • • • • • • • • • • •

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Xamarin is included in Visual Studio

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Xamarin.com/Download

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Visual Studio for Mac (Preview) iOS, Android, & macOS .NET development .NET Core & ASP.NET Core Tools for Azure

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• Multi-Touch Enabled • Pressure Sensitive • Super Fast • Rotate, screenshots, location changes • Never leave VS

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Shared C# Backend

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What if we didn’t have to write this code? What if we could access it from shared code? UI+APIs UI + APIs UI + APIs Battery GPS Lights Notifications Settings Text To Speech Battery GPS Lights Notifications Settings Text To Speech Battery GPS Lights Notifications Settings Text To Speech

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TextToSpeech Speak(“Hello World”); AVSpeechSynthesizer SpeechSynthesizer

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Common API

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A/B Testing Live Update Storage Push Notifications Crash Reporting Remote Config. Identity Tables

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A/B Testing Live Update Storage Push Notifications Crash Reporting Remote Config. Identity Tables Visual Studio Mobile Center mobile.azure.com

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15 Minute Break Eng Teong Cheah Malaysia Xamarin Group Leader @cheahengteong