Android
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Android is an open source software platform and operating system for mobile devices. It was developed by Android Inc., which was acquired by Google in 2005. Android allows developers to write code in Java and uses the Linux kernel. It supports running multiple apps simultaneously, optimized graphics, and a large app market. The Android architecture includes the Linux kernel, native libraries, Dalvik virtual machine, application framework, and applications.
Android
- 2. Objectives • What is Android • History • Features • Android Versions • Android Architecture
- 3. What is Android? • Open source software platform and operating system for mobile devices • Based on the Linux kernel • Allow writing code in the Java language • Own virtual machine—DVM (Dalvik Virtual Machine)
- 5. • Android Inc. founded in Palo Alto, California, US in October 2003 • Team members: Andy Rubin, Rich Miner, Nick Sears and Chris White • Google acquired Android Inc. on 17 August 2005. • Later developed by OHA (Open Handset Alliance) from 2007
- 7. Features • Android can run multiple apps at same time • Also support optimized graphics VGA, 2D graphics and 3D graphics • Android has a better app market • Android lets you change your settings faster • It gives you more options to fit your budget • Android keeps information visible on your home screen • Android also support Java applications
- 11. 26 October 2009
- 12. 20 May 2010
- 13. 06 December 2010
- 14. 22 February 2011
- 15. 19 October 2011
- 16. 09 July 2012
- 17. 31 October 2013
- 18. 3 November 2014
- 20. Linux Kernel • It relies on Linux version 2.6 • Provides Security, Memory and Process Management
- 21. Native Libraries • Own libraries written in C/C++ • Native Libraries to run application • It is needed for the stable performance of components
- 22. Android Run Time • Main Dalvik Virtual Machine is located • Includes a set of java core libraries
- 23. Application Framework • Tool kit used to create applications • Consists of Activity, Package, Telephony and Notification manager
- 24. Application Layer • Uppermost Layer • Includes Home application, the Contact Application, the Phone, the Browser and apps • Works with end user with the help of application framework to operate
- 25. Thank You By: Nisha Sonali Chawla