Android is an open-source, Linux-based operating system led by Google. It was developed by Android Inc., which was acquired by Google. The Android platform is used by many manufacturers in developing their own customized versions for use in smartphones and tablets. Key features of Android include an open application marketplace, support for third-party applications and customization, and integration with Google services. Android has experienced steady growth in versions and capabilities since its inception.

2. 1 What is Android?
2 History
3 Open Handset Alliance
4 Features of android.
5 Android running h/w & s/w development
6 Versions of Android.
7 Advantages & Disadvantages
8 Conclusion
9 Reference

3. A n d r o i d i s a L i n u x -
b a s e d o p e r a t i n g s y s t e m
f o r mo b i l e d e v i c e s s u c h
a s S ma r t p h o n e a n d
t a b l e t c o mp u t e r s ,
d e v e l o p e d b y G o o g l e i n
c o n j u n c t i o n w i t h t h e
O p e n H a n d s e t A l l i a n c e .
A n d r o i d w a s
i n i t i a l l y d e v e l o p e d b y
A n d r o i d I n c ., w h o m
G o o g l e f i n a n c i a l l y
WHAT IS ANDROID….????

4. Android is open source application.
A number of manufacturers have their
own versions of Android phones with different
specifications.
Different web browsers such as mobile
firefox, skyfire, opera mini, dolphin etc. can be
installed on android phones.
These phones can be used for GPS
tracking and navigation as well as for
nifty applications.
Open handset Alliance…

5.  The platform is adaptable to larger, VGA, 2D graphics library, 3D
graphics library based on OpenGLES 2.0 specifications, and
traditional Smartphone layouts.
 SQLite, a lightweight relational database, is used for data storage
purposes.
 Android supports connectivity technologies
including GSM/EDGE, IDEN, CDMA, EV-DO, UMTS, Bluetooth, Wi-
Fi, LTE, NFC and WiMAX.
 SMS and MMS are available forms of messaging, including
threaded text messaging and Android Cloud To Device
Messaging (C2DM) and now enhanced version of C2DM, Android Google
Cloud Messaging (GCM) is also a part of Android Push Messaging Service.

7. Each version after "Astro" and "Bender" is named in
alphabetical order after a dessert or sugary treat, with
1.5 "Cupcake" being the first and every update since
following this naming convention.
 1.0 Astro
 1.1 Bender
 1.5 Cupcake
 1.6 Donut
 2.0/2.1 Eclair
 2.2 Froyo
 2.3 Gingerbread
 3.x Honeycomb
 4.0 Ice Cream Sandwich
 4.1 Jelly Bean

9.  On April 30, 2009, the Android 1.5 update was released, based
on Linux kernel 2.6.27.This was the first release to use a name based
on a dessert ("Cupcake"), a theme which would be used for all
releases henceforth. The update included several new features and
UI amendments.
 On September 15, 2009, the Android 1.6 SDK – dubbed Donut was
released, based on Linux kernel 2.6.29.
Included in the update were numerous new features.

10.  On October 26, 2009, the Android 2.0 SDK –
codenamed Eclair – was released, based on
Linux kernel 2.6.29 with changes included.
 On May 20, 2010, the Android 2.2 (Froyo)
SDK was released, based on Linux kernel
2.6.32.

11.  On December 6, 2010, the Android 2.3 (Gingerbread)
SDK was released, based on Linux kernel 2.6.35.
Changes included.
 On February 22, 2011, the Android 3.0 (Honeycomb)
SDK – the first tablet-only Android update – was
released, based on Linux kernel 2.6.36.The first
device featuring this version, the Motorola
Xoom tablet, was released on February 24, 2011.
Changes included.

12.  The SDK for Android 4.0.1 (Ice Cream Sandwich), based on Linux kernel 3.0.1, was
publicly released on October 19, 2011. Google's Gabe Cohen stated that Android 4.0
was "theoretically compatible" with any Android 2.3.x device in production at that
time. The source code for Android 4.0 became available on November 14, 2011.The
update introduced including numerous new features.
 On June 27, 2012, at the Google I/O conference, Google announced Android 4.1 (Jelly
Bean). Based on Linux kernel 3.1.10, Jelly Bean is an incremental update with the
primary aim of improving the user interface, both in terms of functionality and
performance. The performance improvement involves "Project Butter", which uses
touch anticipation, triple buffering, extended vsync timing and a fixed frame rate
of 60fps to create a fluid and "buttery"-smooth UI.[ Android 4.1 Jelly Bean was
released to AOSP on July 9, 2012, and an OTA update for the Nexus 7 to Android 4.1.1
was released on July 11, 2012, making it the first device to run Jelly Bean.

13.  Advantages:-
 Android is open, because it is linux based open source so it can be developed
by anyone.
 Easy access to the Android App Market: Android owners are people who love
to learn the phone, with Google's Android App Market you can download
applications for free.
 Populist Operating System: Android Phones, different from the iOS is limited
to the iphone from Apple, then Android has many manufacturers, with their
respective flagship gadget from HTC to Samsung.
 USB full facilities.You can replace the battery, mass storage, DiskDrive, and
USB tethering.
 Easy in terms of notification: the operating system is able to inform you of a
new SMS, Email, or even the latest articles from an RSS Reader.
 Supports all Google services: Android operating system supports all of google
services ranging from Gmail to Google reader. all google services can you
have with one operating system, namely Android.
 Install ROM modification:There are many custom ROM that you can use on
Android phones, and the guarantee will not harm your device.

14.  Disadvantages:-
 Connected to the Internet: Android can be said is in need of an
active internet connection. At least there should be a GPRS
internet connection in your area, so that the device is ready to go
online to suit our needs.
 Sometimes slow device company issued an official version of
Android your own.
 Android Market is less control of the manager, sometimes there
are malware.
 As direct service providers, users sometimes very difficult to
connect with the Google.
 Sometimes there are ads: because it is easy and free, sometimes
often a lot of advertising. In appearance it does not interfere with
the performance of the application itself, as it sometimes is in the
top or bottom of the application.
 Wasteful Batteries,This is because the OS is a lot of "process" in
the background causing the battery quickly drains.


15.  Android is truly open, free development platform based
on Linux and open source.
 Handset makers can use & customize the platform
without paying a royalty.
Android is open to all: industry, developers and users
Participating in many of the successful open source
projects
Aims to be as easy to build for as the web
Google Android is stepping into the next level of Mobile
Internet

16.  Mobile2android.com
 Developer.android.com
 Wikipedia.org

17. THANKING
YOU…..!!!!!!!