Android O.S.Android O.S.

AndroidAndroid

CONTENTCONTENTIntroductionWho introduce the Android?PlatformAndroid VersionFeatures

IntroductionIntroductionAndroid is a software stack for

mobile devices that includes an operating system, middleware and key applications.

Who Who introduceintroduce the the Android?Android? Android Inc. was founded in Palo Alto of

California, U.S. by Andy Rubin, Rich miner, Nick sears and Chris White in October 2003.

Later Android Inc. was bought by Google in 2005.

On the 5th of November 2007 the Open Handset Alliance and develop open standard for mobile devices.

Android Version Android Version Android mobile operating system began with

the release of the Android beta in November 2007. The first commercial version, Android 1.0, was released in September 2008.

Android is under on going development by Google and the Open Handset Alliance (OHA), and has seen a number of updates to its base operating system since its initial release.

Next Slide content various version of Android

Android 1.5, CupcakeAndroid 1.5, Cupcake

Android 1.6, DonutAndroid 1.6, Donut

Android 2.0, EclairAndroid 2.0, Eclair

Android 2.2, FroyoAndroid 2.2, Froyo

Android 2.3, GingerbreadAndroid 2.3, Gingerbread

Android 3.0, HoneycombAndroid 3.0, Honeycomb

Android 4.0, Ice Cream Android 4.0, Ice Cream SandwichSandwich

Android 4.1, Jelly BeanAndroid 4.1, Jelly Bean

Android 4.4, KitkatAndroid 4.4, Kitkat

FeaturesFeaturesAndroid is a powerful Operating

System supporting a large number of applications in Smart Phones.

These applications make life more comfortable and advanced for the users.

Hardware's that support Android are mainly based on ARM architecture platform.

PlatformPlatformHARDWAREAndroid is not a single piece of

hardware; it’s a complete, end-to-end software platform that can be adapted to work on any number of hardware configurations.

Everything is there, form the boot loader all the way up to the applications.

OPERATING SYSTEMS Android uses Linux for its device drivers, memory

management, process management, and networking. The next level up contains the android native

libraries. The are all written in C/C++ internally. In the layer you can find the Surface Manager, 2D and 3D graphics Media codecs, the SQL database(SQLite), and a native web browser engine (Web Kit).

NETWORKING CONNECTIVITY

it supports wireless communications using:

GSM mobile-phone technology

3G

802.11 Wi-Fi networks