Android is an open-source operating system developed by Google that is used widely on smartphones. It was originally developed by Android Inc. which was later acquired by Google in 2005. The first Android phone, the HTC Dream, was released in 2008. Android is developed by the Open Handset Alliance and is constantly updated with new versions that add features and improvements. It holds the largest market share of any operating system and its use continues to grow significantly worldwide.

1. Presented By:
RAUNAK BISWAS

2. WHAT IS ANDROID?
Google’s Android is an open-source platform that’s
currently available on a wide variety of smart phones.
Android is a software stack for mobile devices that includes
an operating system, middleware and any application.
The Android SDK provides the tools and APIs necessary to
begin developing applications on the Android platform
using the Java programming language .
It’s based on Linux Kernal.
Supports Bluetooth, Wi-Fi, and 3G and 4G networking.
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3. HISTORY OF ANDROID
Android Inc. founded in Palo Alto, California,
USA in October 2003 by Andy Rubin, Rich
Miner, Nick Sears & chris White .
Their goal was to develop a "smarter mobile
device that was more aware of its owner's
location and preferences.”
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4. ORIGIN OF ANDROID
Android was purchased by the GOOGLE in
August, 2005 for $50 million .
The Open Handset Alliance(OHA), a group
of several companies was formed 5th
November, 2007.
Android beta released 12th
November,2007.
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5. OPEN HANDSET ALLIANCE
The Open Handset Alliance (OHA) is a
business alliance of firm to develop open
standard for mobile devices.
Develop technologies that will significantly
lower the cost of developing and distributing
mobile devices and services.
OHA includes 84 firms to develop open
standards for mobile devices.
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7. TRENDS BEFORE MID-2007
 Platforms available :
-J2ME
-Symbian
-Windows Mobile
-RIM
-Palm OS
 Bulky devices
 Limited applications
 Small screen size
 Non-customized buttons
 Expensive data transfer
 Crippled browsers
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8. FIRST ANDROID HANDSET
HTC DREAM (ALSO KNOWN AS T-MOBILE G1)
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9. FEATURES OF 1ST ANDROID PHONE
 500 MHZ, 192 MB RAM, HVGA
 Touch Screen
 Qwerty keyboard
 One-touch google search
 Easy access to Google Apps(Google maps street view, You
tube, Gmail, Gtalk etc.)
 3G Network & Wi-Fi access
 3.2 Megapixel camera
 Music player
 Android Market
 Customized home screen
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10. FEATURES OF ANDROID
 Android can run multiple apps at the same time .
 Also support optimized graphics VGA, 2D graphics & 3D
graphics.
 Android has better app market ( Known as Play Store).
 Android lets you change your setting faster.
 It gives you more options to fit your budget.
 Android keeps information visible on your home screen.
 Android also support Java applications.
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11. VERSIONS OF ANDROID
CODE NAME VERSION NUMBER
 (No codename) ?
 Petit Four 1.1
 Cupcake 1.5
 Donut 1.6
 Éclair 2.0-2.1
 Froyo 2.2-2.2.3
 Gingerbread 2.3-2.3.7
 Honeycomb 3.0-3.2.6
 Ice Cream Sandwich 4.0-4.0.4
 Jelly Bean 4.1-4.3.1
 Kit kat 4.4-4.4.4
 Lolipop 5.0-5.1.1
 Marshmallow 6.0-6.0.1
 Nougat 7.0-7.1.2
 Oreo 8.0-8.1
 Pie 9.0
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12. A
 Version Name- Unknown
 Version Number- 1.0
 Release Date- 23rd September, 2008
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13. B
Version Name- Petit Four
Version Number- 1.1
Release Date- 9th February, 2009
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14. C
Version Name- Cupcake
Version Number- 1.5
Release Date- 27th April, 2009
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15. KEY FEATURES OF ANDROID CUPCAKE (1.5)
 On screen keyboard.
 Direct uploads on YouTube.
 The new clipboard improvements allowed to copy
& paste texts from browsers.
 Android 1.5 allows auto-rotation option and
animated screen transitions.
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16. D
Version Name- Donut
Version Number- 1.6
Release Date- 15th September, 2009
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17. KEY FEATUTES OF ANDROID DONUT (1.6)
 Able to run a multitude of screen resolutions.
 Battery usage indicator.
 Fast access to the gallery & camera.
 Android market started, the Donut allowed the
user to see screenshots while the user was visiting
the android market.
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18. E
Version Name- Eclair
Version Number- 2.0-2.1
Release Date- 26th October, 2009
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19. KEY FEATURES OF ANDROID ÉCLAIR (2.0-2.1)
 Support for HTML 5 & double tap zoom.
 Improvements in Google maps application.
 Multiple options (call, Email, SMS) in contacts
with a single tap.
 Animated home screen background images and
live wallpapers.
 Multiple Google accounts with an improved
calender.
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20. F
Version Name- Froyo
Version Number- 2.2-2.2.3
Release Date- 20th May, 2010
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21. KEY FEATURES OF ANDROID FROYO (2.2-2.2.3)
 Speed & performance enhancement.
 Support Adobe Flash.
 Improvements in the Application manager &
camera control.
 The “Update All” button was added.
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22. G
Version Name- Gingerbread
Version Number- 2.3-2.3.7
Release Date- 6th December, 2010
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23. KEY FEATURES OF GINGERBREAD (2.3-2.3.7)
 Improved clipboard experience.
 Improvements in keyboard functions & accuracy.
 Improvements for game developers.
 Multiple cameras support on the device.
 Improved user interface (UI).
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24. H
Version Name- Honeycomb
Version Number- 3.0-3.2.6
Release Date- 22nd February, 2011
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25. KEY FEATURES OF ANDROID HONEYCOMB (3.0-3.2.6)
 The widgets were redesigned & adapted large
screen size.
 Once again the keyboard, the clipboard &
browsers were enhanced.
 Possibility of video chat via Google Talk.
 Support for multi core processors.
 This version was widely accepted as a tablet
version.
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26. I
Version Name- IceCream sandwich
Version Number- 4.0-4.0.4
Release Date- 18th October 2011
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27. KEY FEATURES OF ANDROID ICECREAM
SANDWICH (4.0-4.0.4)
 Roboto (new font) replace Droid.
 Android Beam which is a near field communication
(NFC) form introduced.
 Improved camera, the shutter lag is almost zero.
 Improved keyboard, google chrome navigation , copy
& paste possibilities.
 Face unlock: The user may unlock the phone with the
help of front camera.
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28. J
Version Name- Jelly Bean
Version Number- 4.1-4.3.1
Release Date- 9th July, 2012
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29. KEY FEATURES OF ANDROID JELLY BEAN (4.1-4.3.1)
 Dial-pad autocomplete.
 Photo sphere enhancements.
 Camera app UI updated.
 4K resolution support.
 Ability to create restricted profiles for
tablets.
 Bluetooth low energy (BLE) support.
 Security and performance enhancements.
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30. K
Version Name- Kitkat
Version Number- 4.4-4.4.4
Release Date- 31st October, 2013
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31. KEY FEATURES OF ANDROID KITKAT (4.4-4.4.4)
 Restyled status & navigation bars, color emoji support,
improved closed captioning support, stronger security &
smarter power use.
 Improved the phone app with the ability to look up
contacts directly from the dial pad, see and top frequent
contacts.
 Hangouts- SMS/MMS support: incorporated a new
version of Google Hangouts that supports integrated
SMS/MMS messaging.
 Added support for printing photos, google docs, Gmail
messages & other contact via Wi-Fi, Bluetooth & hosted
services like Google cloud print & HP ePrinters.RAUNAK 31

32. L
Version Name- Lollipop
Version Number- 5.0-5.1.1
Release Date- 12th November,2014
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33. KEY FEATURES OF ANDROID LOLLYPOP (5.0-5.1.1)
 Battery consumption improvement.
 Speed improvement.
 New user interface (UI).
 Performance improvements & bug fixes.
 High Definition voice call.
 Lock protection if device lost or stolen.
 Quick settings shortcuts to join Wi-Fi networks
or control Bluetooth devices.
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34. M
Version Name- Marshmallow
Version Number- 6.0-6.0.1
Release Date- 5th October, 2015
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35. KEY FEATURES OF ANDROID MARSHMALLOW
(6.0-6.0.1)
 Google Now improvements.
 Android pay.
 Better battery life with “deep sleep”.
 Fingerprint authentication support.
 USB type-C support.
 New emojis.
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36. N
Version Name- Nougat
Version Number- 7.0-7.1.2
Release Date- 22nd August, 2016
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37. KEY FEATURES OF ANDROID NOUGAT (7.0-7.1.2)
 Seamless system updates.
 Multi window mode.
 Better multitasking.
 Storage manager improvements.
 Night light function.
 New set of emojis.
 Daydream virtual reality (VR) mode.
 Battery usage alerts.
 The default keyboard allows now to send GIFs
directly.
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38. O
Version Name- Oreo
Version Number- 8.0-8.1
Release Date- 21st August, 2017
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39. KEY FEATURES OF ANDROID OREO (8.0-8.1)
 Lock screen redesign.
 Improved system setting & notification
system.
 Android instant apps.
 Picture-In-picture (PIP) with resizable
windows..
 Emoji updates.
 Automatic light & dark themes.
 UI updates to “Power Off” & “Restart”.
 Navigation buttons dim when not in use.
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41. P
Version Name- Pie
Version Number- 9
Release date- 6th August, 2018
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42. KEY FEATURES OF ANDROID PIE (9)
 User Interface updated.
 Richer messaging notifications with full
conversation, large images, smart replies.
 The power button now has a “screenshot” button.
 Biometric authentication can now be disabled only
once.
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43. WHAT MAKES ANDROID SPECIAL?
 Open source – Free development platform.
 Built in components can be improved.
 Built in services like GPS, SQL database, browsers & maps.
 Management of process life cycle.
 High quality graphics & sound.
 Portability across current and future hardware.
 Component-based architecture and reusable, replaceable
modules.
 Multi-layer isolation of programme.
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44. ADVANTAGES OF ANDROID
 The ability for anyone to customize the Google android platform.
 It gives you better notification.
 It lets you choose your hardware.
 It has better app market (180000+ applications).
 A more mature platform.
 With the support of many applications the user can change the
screen display.
 With Google chrome you can open many window at once.
 Supports all google services, all Google services can you have
with one operating system namely Android.RAUNAK 44

45. DISADVANTAGES OF ANDROID
 Android Market is less control of the manager
sometimes there are malware.
 Wasteful Batteries, this is because the OS is a lot of
process in background causing the battery quickly
drains.
 Sometimes slow device company issued an official
version of Android your own.
 Extremely inconsistence in design among apps.
 Very unstable and often hang or crash.RAUNAK 45

46. WHERE IS ANDROID GOING?
 The android OS may accelerate the diffusion of smart phones by
providing a free OS.
 Access to the Android software development kit (SDK) suggests
that the number of applications will continue to as well as
professional developers provide new offerings.
 Transforming them from consumers of existing applications to
creators of apps designed to meet their needs.
 Android by increasing the user base might hasten the integration
of mobile technology.
 Android is biggest selling OS in the world on mobile computing.
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47. THE TOP 10 ANDROID STATISTICS SHOW THAT
ANDROID IS TAKING OVER THE WORLD
• Android Holds 85% Of The Total Market Share For Mobile Operating Systems
• Almost One-Third Of Smartphone Users Are Using Android’s Marshmallow OS.
• 99.6% Of New Smartphones In Q4 2016 Ran On Android Or IOS.
• Nearly 380 Million Android Phones Were Sold In Q1 2017
• There Are 2 Billion Android Devices That Are Active Every Month Worldwide
• More Than 24,000 Different Devices Run On Android.
• The Samsung Galaxy S7 Is The No. 1 Android Device In The U.S.
• Revenue From Combined Android App Markets Will Overtake IOS App Store Revenue
In 2017.
• There Were 82 Billion App Downloads From Google Play Between 2016 And 2017.
• 90% Of Google Play’s Revenue In 2016 Came From GamesRAUNAK 47

48. LEADING ANDROID APPS IN THE GOOGLE PLAY STORE
WORLDWIDE IN JULY 2018, BY REVENUE
(IN MILLION U.S. DOLLARS)
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49. NUMBER OF AVAILABLE APPLICATIONS IN THE GOOGLE PLAY
STORE
(FROM DECEMBER 2009 TO JUNE 2018)
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50. CONCLUSION & FUTURE SCOPE
 Android is now stepping up in next level of mobile internet.
 There are chances of Android mobiles sales in whole world becomes more
than iphone.
 There are chances of android may become the widely used operating system
in the world as it has found its application in many appliances such as
washing machine, micro oven, cameras, TV etc.
 Google may launch another version of android that starts because Google is
launching all the android versions in the alphabetical order.
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