Mobile Computing Lecture#01 Mobile Horizon

Leading Mobile Phone Technologies  iOS  Android  Blackberry  Symbian  Windows Phone  J2ME

iOS/iPhone OS  iOS /iPhone OS operating system for iPhone  Extended to support other Apple’s devices (iPod, iPad, Apple TV)  Owned by Apple  No licence for third-party hardware  More than 500,000 iOS apps on iStore (Oct 2011)  More than 10 billion downloads  59% mobile web consumption (May 2010)  Multitouch, Accelerometer, Swipe, Tab, Pinch etc

Android  Developed by OHA (a consortium of 84 companies) lead by Google  Most code released under free software licence  Best selling smart phone platform Q  Over 500,000 Apps at Android App Store  Apps can also be downloaded from third-party websites  Sqlite, Java, Linux, C++, Multitouch, Bluetooth, Multitasking

Symbian  Symbian Platform = Symbian OS + Nokia Series 60  Latest version = Symbian-3 (Released in end 2010)  From May 2011 Symbian is no longer open source  Devices shipped to sellers with Symbian OS are estimated to 385Millions  43.5 % of world wide smart phone sales Q (Nokia N8)

Symbian  On February 11, 2011, Nokia announced that it would migrate away from Symbian to Windows Phone 7  Nokia’s agreement with Accenture  Accenture will provide Symbian based software development/support services to Nokia through 2016

Blackberry  Developed by (Research In Motion) RIM  Multitasking, trackwheel, trackball,  Best known for native support on corporate s  Big player in US market  Updates to the operating system may be automatically available from wireless carriers  Native support for corporate  Qwerty keyboard, bluetooth, high speed wireless data

Windows Phone  Owned by Microsoft  Partnership with Nokia  UI, Web browser, , Multimedia, Game, Office suite, Sync  Search Engine, Voice Recognition

J2ME  Developed by Sun  Restricted access to system  Compliance with JRE1.3  Relatively old technology not keeping pace with latest technologies

Top3 Mobile OSs

Top 3 Mobile OS Market Share

2Q Worldwide Smartphone Sales SRC URL: smartphone-sales-according-to-gar/

AT&T Smartphone Sales

Mobile Phone Platforms  Fragmentation  Variety of software/hardware  Proprietary Software Stacks  Software stacks owned by companies, not scalable  Phone Network Operators  Money oriented services, restrictions on data, strict control of services  Scarcity of Resources  Typical less resources on devices

Android Environment  Limited Resources  Portable Applications  Reusable Applications  Equal Applications  Access to Core