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2. Contents
1 What is Android?
2 History
3 Open Handset Alliance
4 Architecture
5 Android running h/w & s/w
development
6 What happens in today’s
Android phone?
7 Advantages & Disadvantages
8 Conclusion
9 Reference

4. 1. Android:
In English dictionary the word android
means that-
1 An automaton that resembles a
human being
2 mechanical man or
humanoid…….etc
• A software platform and
operating system for mobile
devices

5. Android Inc was founded in Palo Alto, - Oct 2003
California,United States by Andy
Rubin,Rich Miner,Nick Sears & Chris White
Google acquired Android Inc -Aug2005
The Open Handset Alliance, a consortium -5thNov2007
of several companies was formed
Android beta SDK released -12thNov2007

6. 3.What is the Open Handset Alliance (OHA)?
• Devoted to advancing open standards for mobile devices
• Develop technologies that will significantly lower the cost of
developing and distributing mobile devices and services

7. The first Android device HTC Dream(g1), featuring
Android1.0 was released on 23rd Sept 2008
Android 1.0-
Integration with google service
Web browsers to show, zoom & pan full HTML &
XHTML web pages, multiple pages show as widows
Android market application downloads & updates
Multitasking, instant messaging ,wi-fi & Blue-tooth.
Android 1.1 –
Android 1.1 update for Android was released for T-
mobile G1 only 9th Feb 2009

8. Since April 2009
it’s version has been developed under a codename
based on dessert or sweet treats.
They are in alphabetical order:-
Cupcake
Donut
Éclair
Froyo(frozen yogurt)
Gingerbread
Honeycomb
Ice Cream Sandwich
Jelly Bean(4.1 released on 9th July 2012)

9. Based on Linux kernel 2.6.27,the
official 1.5 (cupcake) was released on
30th April 2009
A new soft-keyboard with text-
prediction
Ability to record & watch videos
through camcorder mode
Directly upload videos to youtube
Android1.5 and pictures to Picasa.
(cupcake) New widgets & folders that can
populate the home screens
Bluetooth A2DP & AVRCP support
Animated screen transitions

10. Based on Linux kernel 2.6.29 the 1.6
(donut) was released on 15th Sept 2009
Support for WVGA screen resolution
Updated CDMA support
Quick search box & voice search
Multilingual text-to-speech function
Android1.6 An improved android market
(donut) experience
Integrated camera & gallery, toggle
between still & video captures modes

11. Based on Linux kernel 2.6.29 the
2.0(Éclair) SDK was released on 26th
Oct 2009
Optimized h/w speed
Support for more screen sizes &
resolution & also better contrast ratio
for background
New contact list
Android 2.0
Microsoft exchange support for
(Éclair)
syncing of email
Bluetooth 2.1 support
New browser user interface &
support for HTML5
Improved google maps 3.1.2
Built in flash support for camera

12. The 2.0.1 SDK was released on 3rd Dec
2009
The 2.1 SDK was released on 12th Jan
2010

13. Based on the Linux kernel 2.6.32 on
the 20th May 2010, the Android
2.2(Froyo) SDK was released
General android OS speed, memory
and performance optimizations
Adobe Flash 10.1 support
Additional application speed
improvements courtesy of JIT(Just In
Android 2.2 Time) implementation
(Froyo) Wifi hotspot functionality
Browser application is integrated
with chrome’s V8 javascript engine
Android market with auto updating
& users can give the application error
report

14. Based on the Linux kernel 2.6.35
on 6th Dec 2010, the
2.3(Gingerbread) SDK was
released
Focus on game development
Concurrent garbage
collection(minimized application
pauses, smoother
Android 2.3 animation, increased
(Gingerbread) responsiveness
Support for SIP VoIP telephony
Download manager for long-
running downloads
Redesigned multi-touch s/w
keyboard

15. Based on the Linux kernel 2.6.36 the
3.0(Honeycomb)SDK was released for
tablets on 22nd Feb 2011
Specifically optimized for tablets &
with larger screen sizes
Three dimensional desktop with
redesigned widgets
Android 3.0
Refined multitasking
(Honeycomb)
Support for video chat using Google
talk
Support for multi-core processor

16. 7 amazing features
Font System: It is specially designed
for high resolution screen & brings a
magazine like a feel the whole interface
Screenshots: Finally Android will allow
to take screenshots without rooting the
Android 4.0 smart phone or installing any third
(Ice-cream party application Just hold down
Sandwich) volume key & power button to capture
screenshots
Instant Voice: It will not take long to
transcribe your words Just speak it & it
instantly transforms it into text

17. Android Beam: This feature is based on NFC(Near
Field Communication) & it allow two android smart
phones to securely exchange webpages, contacts, media
or even application
Unified tablet & smart phone API
Web browser: It comes with brand new Chrome mobile
web browser It syncs with your desktop or laptop chrome
bookmarks, it can save pages for offline reading & it can
open up to 16 tabs at the same time
Improved Camera: Some great new camera features, a
camera UI option to edit images using multiple effects &
speed of capturing is very fast & also improved video
recording mode

18. Brought out on 9th July 2012
With great features along with it
Not yet devices are produced in
larger aspect it will be up to December
of 2012
Android 4.1
( Jelly Bean)

19. 4.Android Architecture

20. 5.Hardware running Android
The android OS can be used as an operating
system for cellphones, netbooks and tablets
First phone HTC Dream released on 22nd Oct
2008
The world’s first TV running Android, called
Scandinavia, has been also launched by
company people of LAVA

21. Software developments
Requirements:
JAVA
Android SDK

22. Android Compatibility
1 Obtain the Android software source code. This is the
source code for the Android platform, that you port to
your hardware.
2 Comply with Android Compatibility Definition
Document (CDD). The CDD enumerates the software
and hardware requirements of a compatible Android
device.
3 Pass the Compatibility Test Suite (CTS). You can use
the CTS (included in the Android source code) as an
ongoing aid to compatibility during the development
process.

23. 6.What happens in today’s Android smart
phone

24. It takes all the Google products with you
Search the web
Navigate your world
Connect & Share
Be entertained
Create & Collaborate

25. Google Wallet
Save time
The new version of Google wallet support all
credits & debit cards, from Visa, MasterCard,
American express and Discover
Just enter the card you want to use , and then
tap your phone to pay wherever MasterCard
pay pass is accepted
Stay safe and secure
Lock your Wallet with a PIN that only you know, keeping
you safe and secure. And if you lose your phone, remotely
disable your mobile wallet from the Google Wallet
management center.

26. 7.Advantages & Disadvantages
7.1Advantages:
1 Open-
Android allows you to access core mobile
device functionality through standard API calls
2 All applications are equal-
Android doesn’t difference between the
phone’s basic & third party application even the
dialer or home screen can be replaced
3 Fast & easy development-
The SDK contains what you need to build
and run Android applications including different
tools

27. 7.2 Disadvantage:
1 Security-
Making source code available to everyone
indirectly invites the attention of black hat hackers
2 Open Source-
A disadvantage of open-source development is
that anyone can scrutinize the source code to find
vulnerabilities & write exploits
3 Login-
Platform doesn’t run on an encrypted file system &
has vulnerable log-in

28. 8.Conclusion
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

29. 9.Reference
www.android.com
www.wikipedia.com
www.google.com