The document provides a history and overview of the Android operating system. It discusses: - Andy Rubin founding Android Inc. in 2003 which was later acquired by Google. - The first Android smartphone, the HTC Dream, launched in 2008. - Android is an open-source operating system used primarily for touchscreen mobile devices like smartphones and tablets. It allows for customization with homescreen widgets and notifications. - The Android operating system has evolved through many versions codenamed after desserts, starting from Asteroid/Alpha in 2008 to the most recent Nougat in 2016, with each release providing new features, performance improvements and expanded device compatibility.

1. Roll-39, Dyuti Chatterjee
Roll-40, Gulam Md Ahmed
Roll-41, Zahir Hossen
Roll-42, Keya Kundu

2. Content:
History ofAndroid
AboutAndroid
Evolution of Android
Why Android OS is better than IOS?
Why Android OS is better thanWindows OS?

3. History ofAndroid :
Initially, Andy Rubin founded Android Incorporation in PaloAlto,
California, United States in October, 2003.
In 17th August 2005, Google acquired android Incorporation. Since
then, it is in the subsidiary of Google Incorporation.
The key employees of Android Incorporation are Andy Rubin, Rich
Miner, Chris White and Nick Sears.
Originally intended for camera but shifted to smart phones later
because of low market for camera only.
Android is the nick name of Andy Rubin given by coworkers because
of his love to robots.
In 2007, Google announces the development of android OS.
In 2008, HTC launched the first android mobile.

4. AboutAndroid

5. Android
Operating
system is
unveiled in
2007.
The open handset alliance was founded in at the same time.
The open handset alliance is a consortium (association of
two or more companies) of hardware, software and
telecommunication companies.
These companies are devoted to advancing open standard
for mobile devices.
The first publicly available smartphone running Android was
HTC dream.

6. Primarily
designed for…
Touchscreen mobile devices
Smart phones Tablet computers

7. User interfaceof
Android is based
on direct
manipulation
using touch
inputs.
Swiping, tapping, pinching and reverse pinching..

8. Inaddition to
touchscreendevices,
Googlehas further
developedAndroidTV,
AndroidAuto,Android
Wrist watch , with a
specialize user
interface.
Variants ofAndroid
arealso usedon
Notebooks,Game
consoles,Digital
Cameras,andother
electronics..
AndroidTV
AndroidWatch
Android Auto

9. It’s internal
hardware is used
by some
applications for
responding to
additionaluser
actions.
Examples of hardware is Accelerometer, Gyroscope and Proximity sensor.

10. What is user action here?????

11. One example
of user action
is :
Adjusting screens
portrait to
landscape
depending upon
how the device is
oriented.

12. Android allows
users to
customize
their home
screens with
shortcuts of
applications or
widgets.
Widget allows user to
display live content directly
on the home screen.
Examples are- Emails,
weather information.
Application can further
send notifications to the
users to inform them
relevant information.
Examples of notifications
are- New emails, text
messages etc..

13. Android source code is released by Google
under the apache license.This license allows
software to freely modified and distributed by
device manufacturers and enthusiasts
developers.

14. Most android
devices are
shipped with a
combination
of open-source
and
proprietary
software.
As in July 2013 Android has the largest number of applications
available for download in Google play store.
The play store has over 1 million apps published and over 50 billion
downloads.

15. Features of
Android:
Messaging
Web browsing
Multitasking
Multi-touch
Voice-based feature
Screen capture
TV recording
Video calling
Multi language support
Accessibility

16. Android
connectivity:
 Bluetooth
 Tethering

17. Smart phone
platform
market share
Market share based on worldwide smartphone sales to end users

18. Evolution of
Android:
The versions of android are interesting to know.The
code names of android ranges fromA to N currently,
such as Aestro/Alpha, Blender/Beta, Cupcake, Donut,
Éclair, Froyo, Gingerbread, Honeycomb, Ice Cream
Sandwich, Jelly Bean, Kitkat, Lollipop, Marshmallow,
Nougat and so on...

19. Aestro/Alpha(1.0)
(23rdSept2008)
and
Blender/Beta(1.1)
(23rdSept2008)
• Android 1.0
Android was originally conceived as a touch interface for
cameras before Google saw its potential and pulled out its cheque
book.The first commercially available version of Android for mobile
phones was released in September 2008, on the HTC Dream handset.
The candy-flavoured names were yet to be introduced, so this version
was imaginatively titled Android 1.0.
Its features were basic, but many of them still exist today.There was a
simple web browser and support for Gmail,Google Calendar,Google
Maps andYouTube, as well as the GoogleTalk messenger app.
• Android 1.1
A pretty inconsequential update to Android 1.0, this added a few
simple features to existing apps such as showing reviews in Google
Maps business searches.

20. CupCake :
versionno-1.5
(27thApril2009)
basedonLinuxkarnel2.6.27 • On screen soft key board.
• Notification panel to display latest notification.
• Complete hardware control using software key.
• Fast camera startup, image capture.
• Directly upload videos to youTube and Picassa.

21. Donut:
versionno-1.6
(15thSept2009)
basedonLinuxkarnel2.6.29
• Quick search box and voice search.
• Integrated camera, camcorder, and gallery
toggle between still and video capture modes.
• Battery Usage indicator.
• CDMA support.
• Multilingual text-to-speech function.

22. Eclair:
versionno-2.0,2.0.1,2.1
(26thOct2009)
basedonLinuxkarnel2.6.29
• Multiple accounts for email and contact
synchronization.
• Microsoft exchange support for syncing of e-
mail.
• Bluetooth 2.1 support.
• New browser user interface and support for
HTML5.
• New calendar feature.

23. Froyo:
versionno-2.2,2.2.3
(20thMay2010)
basedonLinuxkarnel2.6.32
• New tips widget for home screen.
• Improve exchange support.
• Hotspot support.
• Multiple keyboard languages.
• Adobe flash 10.1.

24. Gingerbread:
versionno-2.3-2.3.7
(6thDec2010)
basedonLinuxkarnel2.6.35
• UI refinement for simplicity and speed.
• New keyboard for faster text input.
• One-touch word selection and copy/paste.
• Near field communication.
• Internet calling.

25. Honeycomb:
versionno-3.0-3.2.6
(10thMay2011)
basedonLinuxkarnel2.6.36
• Specially optimized for tablets and devices with
larger screen sizes.
• Refine multitasking, rich notifications, home
screen customization, widgets.
• Bluetooth tethering.
• Built-in support for media/picture transfer
protocol.

26. Icecream
Sandwich :
versionno-4.0-4.0.4
(19thOct2011)
basedonLinuxkarnel3.0.1
• New typeface called Roboto.
• New face unlock feature.
• Android Beam- A source NFC powered content
sharing platform.
• Re-arrangeable folders, favorite tray,
screenshots.
• Swipe to dismiss notifications, tasks and browser
tabs.
• Wi-Fi direct and Bluetooth HDP support.

27. Jelly Bean :
version no-4.1-4.3.1
(9thJuly2012)
• Faster, smoother, more responsive.
• Re-sizeable app widgets.
• Google now, offline voice detection.
• Improved Android Beam.
• Batter, faster app updates.

28. KitKat :
version no-4.4-4.4.4
(31stOct2013)
• Android kitkat helps you get things done with
just the sound of your voice- just say ‘OK
GOOGLE’ to launch voice search, send a text,
get directions or even play a song.
• Smart dialler.
• Emoji support and improved multi-tasking.

29. Lollypop :
version no-5.0-5.1.1
(12th Nov2014) • Multiple profiles on one device.
• The 'no interruptions' feature to get some
peace
• An all-new notifications bar.
• Can unlock phone with a trusted Bluetooth
device.

30. Marshmallow:
version no-6.0-6.0.1
(5thOct2015)
• Improving battery life
• Adding cool new features like Now onTap
• Fingerprint sensor support.

31. Nougat :
version no-7.0-7.1.1(so
on..)
(22ndAug2016)
• Rearranged notification shade
• Night Light
• Touch/display performance improvements
• Moves (Fingerprint swipe gesture)
• Seamless A/B system updates
• DaydreamVR mode
• Developer features:
• App shortcuts / shortcut manager APIs
• Keyboard image insertion
• Fingerprint sensor gesture to open/close notification
shade
• Manual storage manager Intent for apps
• Manual storage manager – identifies files and apps using
storage
• New emoji
• Send GIFs directly from the default keyboard
• Launch actions on apps by long pressing the app icon

32. WhyAndroid
OS is better
than IOS?
 Android has more apps
 Android is more customizable
 There is an Android phone for every one
 There is a wider array of price ranges
 You don’t have to use iTunes
 You are integrated with Google
 Android keeps up with technology
 Android has microSD card support
 Android has removable batteries
 Android has real multitasking
 Android offers more cloud storage

33. WhyAndroid
OS is better
thanWindows
OS?
Android has more apps
Android is more customizable
Android has multitasking facility than windows
User friendly
Attractive and effective

34. Thank you…