Mobile Computing

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 Q2 2011 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 Q2

2010 (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

emails Big player in US market Updates to the operating system may be

automatically available from wireless carriers Native support for corporate email Qwerty keyboard, bluetooth, high speed

wireless data

Windows Phone Owned by Microsoft Partnership with Nokia UI, Web browser, Email, 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: http://www.engadget.com/2011/08/11/nokia-still-ahead-of-apple-in-smartphone-sales-according-to-gar/

AT&T Smartphone Sales

http://www.engadget.com/photos/t-mobile-keynote-at-mobilize-2011/#4480159

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