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Android's mobileoperating system is basedon the Linux kernel and isthe world's best-sellingSmartphone.

There are currently over200,000 apps available forAndroid that are madeaccessible through theAndroid Market, which is

the online app store runby Google.

The apps are primarilywritten in Java.

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The Androidoperating system,including the Linuxkernel, contains

approximately 12million lines of code.

In this there are: 3million lines of XML,

2.8 million lines of C,2.1 million lines ofJava, and 1.75 millionlines of C++.

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Android Inc. was founded inPalo Alto, California inOctober, 2003 by AndyRubin, Rich Miner, NickSears, and Chris White.

Their goal was to develop a"smarter mobile device thatwas more aware of itsowner's location andpreferences.

They operated secretively,admitting only that theywere working on softwarefor mobile phones.

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Google acquired AndroidInc. in August, 2005,making Android Inc. awholly owned part ofGoogle Inc.

Nick Sears was the onlyoriginal founder that didnot stay with Android Inc.after the acquisition.

At this point in time,many assumed thatGoogle was planning toenter the mobile phonemarket with this move.

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Once at Google, Rubin leda team to develop amobile device platformpowered by the Linuxkernel.

Google marketed theplatform to handsetmakers and carriers withthe intent of providing aflexible, upgradablesystem.

This caused speculationabout Google's intentionto enter the mobilecommunications marketto build.

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On October 21st, 2008,Android 1.0 becameavailable to the public.

"Today's announcement ismore ambitious than any

single 'Google Phone' that thepress has been speculatingabout over the past few

weeks. Our vision is that thepowerful platform we'reunveiling will power

thousands of different phonemodels.

-Eric Schmidt,formerGoogle Chairman/CEO

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Android Market application download and updates through the Marketapp

Web browser to show, zoom and pan full HTML and XHTML web pages- multiple pages show as windows ("cards")Video

Camera support, but no way to change resolution, white balance, quality,

etc. Folders allow the grouping of a number of app icons into a single folder

icon on the Home screen. Email provides access to email servers commonly found on the Internet

and supports POP3, IMAP4, and SMTP. Gmail synchronization with the Gmail app Google Contacts synchronization with the People app Google Calendar synchronization with the Calendar app Google Maps with Latitude and Street View to view maps and satellite

imagery, as well as find local business and get driving directions usingGPS

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Google Search of the internet and phone apps, contacts, calendar,etc.

Google Talk instant messaging. Instant messaging, text messaging, and MMS. Media Player enables managing, importing, and playing back but

lacked video and stereo Bluetooth support Notifications appear in the Status bar - drag down to see details,

also ringtone, LEDs and vibration options. Voice Dialer allows dialing and placing of phone calls without

typing a name or number Wallpaper allows the user to set the background image or photo

behind the Home screen icons and widgets. YouTube video player. Other apps include: Alarm Clock, Calculator, Dialer (Phone),

Home screen (launcher), Pictures (Gallery), and Settings. Other supported features include: WiFi, and Bluetooth.

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Handset Layouts

The platform is adaptable tolarger, VGA, 2D graphics library,3D graphics library based onOpenGL ES 2.0 specifications,and traditional smartphonelayouts.

Storage

SQLite, a lightweight relationaldatabase, is used for data storagepurposes

Connectivity Android supports connectivity

technologies includingGSM/EDGE, IDEN, CDMA, EV-DO, UMTS, Bluetooth, Wi-Fi (noconnections through Proxyserverand no Ad hoc wireless

network) LTE, NFC andWiMAX.

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Messaging SMS and MMS are available forms

of messaging, including threadedtext messaging and now AndroidCloud to Device MessagingFramework is also a part of theAndroid Messaging service.

Multiple Language Support Several languages are available onAndroid. The number of languagesmore than doubled for theplatform 2.3. However, it lacks fontrendering of several languageseven after official announcementsof added support.

Web Browser The web browser available for

Android uses the open-sourceWebKit layout engine, along withChrome's JavaScript engine.