• Android was founded in Palo Alto, California in
October 2003 by Andy Rubin, Rich Miner, Nick
Sears and Chris white who work at “Google” to
• “ ...smarter mobile devices that are more
aware of its owner’s location and preferences.”
• Android was bought by “Google” in 2005.
• On the 5th of the November 2007 the open handset
Alliance, a consortium of several Companies was
unveiled with the goal to develop open standards for
• Android 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 application.
• Android uses Linux for its device drivers, memory
management, process management and networking.
• The next level Contains Android native libraries.They are
all written in c/c++ internally, but calling through java
• In this layer, surface manager, 2D and 3D graphics, media
coda's, the SQL database and a web Brower angine(web
It support wireless communications using.
• GSM mobile-phone technology
• 3G technology
• 802.11Wi-Fi networks
• Android is a multi-process system, in which each
application runs in its own process.
• Most security between applications and the
system is enforced at the process level through
standard Linux facilities, such as user and group
Ids that are assigned to applications.
• The OHA is committed to make their vision a reality: to
deploy the Android platform for every mobile operator,
handset manufacturers and developers to build
• Intel doesn’t want to lose ownership of the netbook
market, so they need to prepare for anything, including
• MoreAndroid devices are coming and some will push the
envelope even further.
• Android SDK
• Eclipse IDE (or) Mono Develop (Xamarin)
• JAVA- officially supported
On April 30,2009, The
Android 1.5 update
was released, based
on Linux Kernel 2.6.27.
On September 15,2009, The
Android 1.6 SDK-dubbed
Donut-was released, based
on Linux kernel 2.6.29.
• On October 26,2009, The
Android 2.0 SDK-Codenamed
Éclair- was released,
base on Linux Kernel
On May 20,2009, The Android 2.2
(Froyo, short for Frozen yogurt)
SDK was released, based on
Linux kernel 2.6.32.
• On December 6,2009, The
SDK was released, based
on Linux Kernel 2.6.32.
On February 22,2011, The
Android 3.0(Honey Comb)
SDK- The first tablet-only
Android up date-was
released, based on Linux
The SDK for Android 4.0.1
(ice cream sandwich), based
on Linux kernel 3.0.1, was
publicly released on October 19,2011.
Googles Gabe Cohen stated
that Android 4.0 was “Theoretically
Compatible” with any Android 2.3.x
device in production at that time.
• On June 27,2012, at the Google I/O
Conference, Google announced
Android 4.1(jelly Bean). Based on
Linux Kernel 3.0.31, jelly Bean
was an incremental update with
the primary aim of improving
the functionality and
performance of the user
interface. Nexus 7 the first device
to run jelly Bean.