2. a Linux-based operating system designed
primarily for touchscreen mobile devices such
as smartphones and tablet computers
Android™ delivers a complete set of software
for mobile devices: an operating system,
middleware and key mobile applications
the world's most popular mobile platform in
today’s world
4. OVERVIEW
Open
◦ It was built to be truly open source that allows
the software to be freely modified and
distributed by device manufacturers, wireless
carriers and enthusiast developers
All applications are created equal
◦ Android does not differentiate between the
phone’s core applications and third-party
applications
5. OVERVIEW
Breaking down application boundaries
◦ Android breaks down the barriers to building
new and innovative applications
Fast & easy application development
◦ provides access to a wide range of useful
libraries and tools that can be used to build
rich applications
7. Android 1.0
The first commercial version of the
software, Android 1.0, was released
on 23 September 2008.
The first Android device is the
HTC Dream.
8. Android 1.5 (Cupcake)
• Android 1.5 update was released
on 30 April 2009 , based on Linux
kernel 2.6.27.
• the first release to officially use a
codename based on a dessert
item ("Cupcake"), a theme which
would be used for all releases
henceforth
9. Android 1.6 (Donut)
The Android 1.6 SDK –
dubbed Donut– was released
on 15 September 2009 based
on Linux kernel 2.6.29.
Included in the update were
numerous new features
10. Android 2.0 (Eclair)
the Android 2.0 SDK –
codenamed Eclair
based on Linux kernel 2.6.29.
released on 26 October 2009
11. Android 2.2–2.2.3 (Froyo)
the SDK for Android 2.2
(Froyo, short for frozen yogurt)
Released on 20 May 2010,
based on Linux kernel 2.6.32.
13. Android 3.0 (Honeycomb)
The Android 3.0 (Honeycomb) SDK – the first tablet-
only Android update
Released on 22 February 2011
Based on Linux kernel 2.6.36.
The first device featuring this version, the Motorola
Xoom tablet, was released on 24 February 2011.
14. Android 4.0–4.0.2 (Ice Cream
Sandwich)
The SDK for Android 4.0.1 (Ice Cream Sandwich)
based on Linux kernel 3.0.1
publicly released on 19 October 2011
"theoretically compatible" with any Android 2.3.x
device in production at that time based on
Google's Gabe Cohen
The source code for Android 4.0 became
available on 14 November 2011
15. Android 4.1 (Jelly Bean)
announced at the Google I/O conference on 27
June 2012.
Based on Linux kernel 3.0.31
an incremental update with the primary aim of
improving the functionality and performance of
the user interface. The performance
improvement involved "Project Butter", which
uses touch anticipation, triple buffering,
extended vsync timing and a fixed frame rate of
60 fps to create a fluid and "buttery-smooth" UI.
released to the Android Open Source Project on
9 July 2012, and the Nexus 7 tablet, the first
device to run Jelly Bean, was released on 13
July 2012.
