This document provides an overview of the Android operating system through a presentation by Sarang Khole and Prasad Gowardhankar. It discusses what Android OS is, its history and development by Android Inc. and Google, its architecture, versions from 1.0 to the expected 6.0, comparisons to other OSes, advantages, and applications. The presentation covers the key features and changes introduced in each Android version.

1. S.E.S Polytechnic ,solapur
Presentation on-
Android Operating System
By-
 Sarang Khole.
 Prasad Gowardhankar.

2. Contents
1.What is Android Operating System(O.S).
2.History of Android O.S.
3.Architecture of Android O.S.
4.Versions of Android O.S.
5.Camparision between Versions.
6.Camparision with other O.S.
7.Advantages.
8.Applications

3. What is Android O.S?
1. Android OS is open source nature.
2. This operating system primarily used in mobile .
3. The code is written in Java and based on the Linux
operating system.
4. Android OS is a Linux-based platform for mobile
phones.
5. The Android operating system is symbolized by a
green colored Android Robot logo.
6. The Android OS consists of numerous Java
applications and Java core libraries running under
the Java-based object oriented application
framework and the Dalvik Virtual Machine (VM).

4. History of Android OS
1. Android OS was initially developed by android in
2003.
2. Google backed financially and later purchased in
2005.
3. Android was unveiled in 2007 along with the
founding of the Open Handset Alliance.
4. Android had a humble beginning in 2008, but over
the years the OS has occupied quite a large space in
the market.
5. The T-Mobile G1, announced on September
23, 2008, was the first Android OS smartphone to
be officially introduced to the market.

5. Architecture of Android O.S

6. Versions of Android OS
1. Android 1.0 (G1).
2. Android 1.5 (Cupcake)
3. Android 1.6 (Donut)
4. Android 2.0/2.1 (Éclair)
5. Android 2.3 (Gingerbread)
6. Android 3.0/ 3.1 / 3.2 (Honeycomb)
7. Android 4.0 and later (Ice Cream Sandwich)
8. Android 5.0 (Jelly Bean)
9. Android 6.0: Key Lime Pie?

7. Android 1.0 (G1).
1. This version released in 2008 with HTC T-Mobile G1.
2. This version provided services like GPS and Bluetooth.
3. It also provides Google services like Gmail, Google Maps ,and
Google Calendar, Android Market with about 35 apps like
YouTube ,amazon mp3 store.
4. Multitasking but the OS did not have Microsoft Exchange
Server and camcorder.

8. Android 1.5 (Cupcake)
1. Google wanted to launch this version as 1.2, but the
company finally decided to make it a major revision and
made it 1.5 instead.
2. It support for third-party virtual keyboards loaded with
text prediction and dictionary for custom words, Video
recording and upload to YouTube, toggle between camera
and video modes.
3. It also provides photo gallery and camera with bulk photo
deleting option, better and more polished user
interface, several built-in widgets like calendar, music
player and picture frame, redesigned Android Market with
Browsing categories that included
Apps, Games, Downloads and filters, support for gestures
and voice-to-text option.

9. Android 1.6 (Donut)
1. Released in September 2009.
2. It included several new features like Android
Search, which will let you search both online andlocally on
the phone through contacts, calendars, music, and any
app with the proper code, virtual onscreen
keyboard, enhanced voice and text entry search that
included bookmark, contacts and web.
3. new GestureBuilder development tool, Home screen
widgets and folders, handwriting gestures, Stereo
Bluetooth, Google turn-by-turn navigation feature.

10. Android 2.0/2.1 (Éclair)
1. The new SKD called Éclair was launched in October
2009 followed by a bug-fix version 2.0.1 in December
2009 and 2.1 in January 2010.
2. The new version and its updates added features like
Bluetooth 2.1 support, flash and digital zoom, scene
mode, white balance, color effect and macro focus
for the camera, multi-touch support, multiple user
accounts, Quick Contact, live wallpapers, five home
screens, improved keyboard, microphone icon for
voice dictation in emails, speech-to-text option

11. Android 2.3 (Gingerbread)
1. Google released Gingerbread officially in
December 2010.
2. This version was designed for optimizing
speed, memory and performance.
3. It provided WebM video compression
support, Near Field Communication (NFC), rich
multimedia, option for viewing and controlling
downloads from browser, email, and other
apps, Internet telephone over SIP, App
Manager, support for
gyroscope, barometer, gravimeter, switch to
front-facing camera from camera app and more.

12. Android 3.0/ 3.1 / 3.2 (Honeycomb)
1. Launched in February 2011.
2. The OS came with optimized Tablet UI, revamped widgets
and better multitasking, private browsing, USB Host, Dual-
pane modes for address book, e-mail, redesigned keyboard
and improved copy/paste video chatting with Google
Talk, 3D graphics support, multi-select, clipboard, and drag-
and-drop option, New APIs for Bluetooth A2DP and HSP and
full-screen-mode photo gallery.
3. Motorola Xoom is the first Android 3.X tablet to be released.

13. Android 4.0 (Ice Cream Sandwich)
1. launched in October 2011.
2. It is designed to work both on smartphones and tablets.
3. It includes virtual buttons, Face Unlock, widget
management, Android Beam, new Calendar app with
pinch-to-zoom option, revamped Gmail user
interface, new contacts and social networking
features, saving web pages offline.

14. Android 5.0 (Jelly Bean)
The expected features include File manager, Jelly Bean
Lite - a lighter version of Android OS for midrange and
lower end smartphones, integrated Google
Chrome, Battery, Power Distribution and Efficient
OS, Efficient Upgrade and more.
Android 6.0: Key Lime Pie?
While we are still expecting to see the launch of Jelly
Bean, some reports suggest that the next version
after Jelly Bean will be Key Lime Pie.

15. Comparison between versions

16. Comparison with other O.S.

17. Advantages
1. It supports Multiple Languages.
2. It supports 2D, 3D graphics.
3. Java Support.
4. Web Browser.
5. It supports MP4, 3GP, MPEG4, MIDI.
6. Additional Hardware Support and Video Calling .

18. Application of Android O.S.
1. The Android operating system is used on
smartphones and netbooks.
2. Its also used in tablet computers and other
devices.
3. It is also used for Google TV.

20. References
1. Our Friend
2. http://www.android.com
3. http://en.wikipedia.org
4. http://www.webopedia.com

21. Thank you…
Any Questions????