I made myself this presentation based on the basic android operating system.it will help who seeking to give their presentation on the Android.

2. Contents
 What is Android?
 History
 Open Handset Alliance
 Architecture/Version
 Android running h/w & s/w
development
 What mekes an Android good?
 Where is Android going?
 Advantages & Disadvantages
 Conclusion
 Reference

4. What is Android ?
 Android is a Linux-based operating
system for mobile devices such as
smartphones and tablet computers.
 There are more than 8,00,000 apps in
Android market
 The Android is an open source.
 It provides an easy to use interface so
that anyone can use it.

5.  Android Inc was founded in Palo Alto,
California,United States by Andy
Rubin,Rich Miner,Nick Sears & Chris
White
 Google acquired Android Inc
 The Open Handset Alliance, a consortium
of several companies was formed
- Oct 2003
-17thAug2005
-5thNov2007

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. How does Android work?
– Its open market model allows registered software
developers
to create applications for Android
- Listing of Applications in Android Market
– Users can download from a growing store of
smart-phone applications at Google Market
– Download compatible Android apps from other locations

9. Versions of an Android
 Android 1.0 23 September 2008
 Android 1.1 9 February 2009
 Android 1.5 (Cupcake) 30 April 2009
 Android 1.6 (Donut) 15 September 2009
 Android 2.0 (Éclair) 26 October 2009
 Android 2.2 (Froyo) 20 May 2010
 Android 2.3 (Gingerbread) 6 December 2010
 Android 3.0 (Honeycomb) 10 May 2011
 Android 4.0 (Ice cream sandwich) 19 October 2011
 Android 4.1,4.2,4.3 (Jelly Bean) 13 July 2012
 Android 4.4 (Kitkat) 31 October 2013

11.  First Version of Android.
 The focus of Android beta is testing incorporating usability.
 Android beta will generally have many more problems on speed
and performance.
 First full version of android.
 Released on September 23, 2008.
 Wi-Fi and Bluetooth support.
 Quite slow in operating.
 copy and paste feature in the web browser
is not present.

12.  Released on April 30, 2009.
 Added auto-rotation option.
 Copy and Paste feature added in the web
browser.
 Increased speed and performance but not
upto required level.
 Released on September 15, 2009.
 Voice search and Search box were
added.
 Faster OS boot times and fast web
browsing experience.
 Released on October 26, 2009.
 Bluetooth 2.1 support.
 Improved typing speed on virtual
keyboard, with smarter dictionary.
 no Adobe flash media support.

13.  Released on May 20, 2010.
 Support for Adobe Flash 10.1
 Improved Application launcher with better browser
 No internet calling.
 Released on December 6, 2010.
 Updated User Interface with high efficiency and
speed
 Internet calling
 One touch word selection and copy/paste.
 New keyboard for faster word input.
 More successful version of Android than previous.
 not supports multi-core processors.
 Released on February 22, 2011.
 Support for multi-core processors
 Ability to encrypt all user data.
 This version of android is only available for
tablets.

14.  Released on November 14, 2011.
 Virtual button in the UI.
 A new typeface family for the UI, Roboto.
 Ability to shut down apps that are using data in
the background.
 Released on June 27, 2012.
 Improved the features of previous version
while improving the graphics quality.
 Smoother user interface.

15.  Android JellyBean 4.2
 Released on 13 November 2012
 Lock screen improvements
 Multiple user accounts (tablets only)
 Bug fixes and performance enhancements
 Android Kitkat 4.4
 Released on 31 October 2013
 Ability for applications to trigger translucency in the navigation and
status bars
 Wireless printing capability
 And even more features are currently being rolled out

16. 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

17. Software developments
Requirements:
 JAVA
 Eclipse

18. WHAT MAKES AN ANDROID
SPECIAL?
• Open source – Free development platform
• Built in services like GPS,SQL Database, browser
and maps
• Management of process life cycle
• High quality graphics and sound
• Portability across current and future hardware
• Component-based architecture and reusable,
replaceable modules
• Multi-layer isolation of programs

19. 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
swell as professional developers provide new offerings.
– Transforming them from consumers of existing
applications to creators of apps designed to meet their
needs.
– Android is the Biggest selling OS in the World on Mobile
Computing.

20. 8.Advantages & Disadvantages
8.1Advantages:
8.1.1 Open-
Android allows you to access core mobile
device functionality through standard API calls
8.1.2 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
8.1.3 Fast & easy development-
The SDK contains what you need to build
and run Android applications including different
tools

21. 8.2 Disadvantage:
8.2.1 Security-
Making source code available to everyone
indirectly invites the attention of black hat hackers
8.2.2 Open Source-
A disadvantage of open-source development is
that anyone can scrutinize the source code to find
vulnerabilities & write exploits
8.2.3 Login-
Platform doesn’t run on an encrypted file system &
has vulnerable log-in

22. 9.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

23. 10.Reference:-
 http://en.wikipedia.org/wiki/A
ndroid_(operating_system)
 http://developer.android.com/s
dk/index.html
 http://www.android.com
 http://en.wikipedia.org/wiki/A
ndroid_(operating_system)
 http://www.techtree.com/searc
h/node/android

24. Thank You