cross platform mobile development with c# and xamarin

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CROSS-PLATFORM MOBILE DEVELOPMENT WITH

C# AND XAMARIN SDK

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Nguyễn Lê Phú An

Software Engineer, KMSNguyễn Ngọc Trí

Software Engineer, KMS

TODAY SPEAKERS

anlpnguyen@kms-technology.com trinnguyen@kms-technology.com

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AGENDA

Introducing Xamarin Xamarin - Getting started Other Worth Mentioning More Q&A

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INTRODUCING XAMARINWhat is Xamarin?

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XAMARIN HISTORY

Founded in May 2011 76 Employees Already > 13.000 paying customers

Nat FriedmanCEO and co-founder@natfriedman

Miguel de IcazaCTO and co-founder@migueldeicaza

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XAMARIN PRODUCTS

SDKs IDE

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Xamarin Compiler

C# Wrapper

BINDING TO NATIVE SDK

C# Wrapper

Native SDK API

UI

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UI SAMPLE CODE

Xamarin Native

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CODE SHARING

Device Access Layer

Device Access Layer

Device Access Layer

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LIBRARY REUSING

Xamarin App

Mono Framework

P/InvokeCxxi

Libraries

Implemented C# Wrapper

XAMARIN STUDIO

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Common IDE features (auto completion, source control…)

Design UI:o Android: Xamarin Designero iOS: Xcode integration

Debugging and Building Tools (support simulator and device debug)

VISUAL STUDIO PLUGIN

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GETTING STARTEDLet’s practice!

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FIRST STEP

SIMPLE PROJECT

1. Creating a iOS project2. Working with Xcode IB3. Creating a Android project4. Working with Xamarin Designer

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CODE SHARING

TASKY

1. Creating core project2. Linking core project3. Implementation

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LIBRARY REUSE

1. Getting source code2. Implement Objective C

wrapper3. Building static library4. Implement C# wrapper5. Calling

PJSIP

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LIBRARY REUSE

SHERLOCK ACTION BAR

1. Getting source code2. Packing (JAR or ZIP) 3. Generating C# Wrapper4. Calling

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OTHER WORTH MENTIONINGHighlights

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WHAT WE LOVE

Cross-platform development in C#

Native UI, Native Performance

Reuse existing code

Visual Studio or Xamarin Studio

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WHAT WE HATE

Requires platform’s knowledge

Expensive!

Need Mac OS X machine for iOS development

CUSTOMER SERVICES

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COMMUNITIES

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XAMARIN VS COMPETITORS

Xamarin Titanium PhoneGap Corona

Platforms iOS, Android, Windows Phone7 & 8

iOS, Android, Blackberry

iOS, Android, Windows Phone, Blackberry…

iOS, Android

Language C# Javascript HTML, CSS, Javascript Lua, Objective C, C, Java

Pricing $300 platform/developer/year

Free Free $600 developer/year

UI Capabilities Native UI (rich) Native UI (rich) Web UI Common native UI controls (acceptable)

Access of device API

Full Access Full Access Limited Almost Full Access

Performance Nearest Native Nearly Native Device’s Web View performance

Nearly Native OpenGL

Application Types Productivity/Utility/ Enterprise Apps

Productivity and Utility Apps

Basic/Simple Apps Game

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CASE STUDY

SMART SHOOTEmpower your smart phone’s camera with:Choose the best faces while shootingTag and find people with their names

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REFERENCES

• http://docs.xamarin.com/• http://xamarin.com/how-it-works• http://components.xamarin.com/• http://stackoverflow.com/questions/tagged

/monodroid+or+monotouch?sort=active

• http://en.wikipedia.org/wiki/Xamarin• http://www.mono-project.com/Main_Page

© 2013 KMS Technology26

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