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Android operating system by udayan thakurdesai

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  • ARM(Advanced RISC Machine), RISC = reduced instruction set computer
  • The linux kernel 2.6 is the hardware abstraction layer (HAL) between the hardware and the android software stack.

Transcript

  • 1. Android Operating System By Ramesh Pawar & Udayan Thakurdesai Guided by Mr. Anil Chinchavade
  • 2. Contents  Introduction  Mobile OS  History  Versions & Summary  System Requirements  Architecture  Why so popular  Advantages & Disadvantages  Conclusion & Future scope
  • 3. Introduction What is Android? • A software platform and operating system for mobile devices. • As Smart phone OS, it is based on the Linux kernel. • Android is Framework for developing mobile apps. Framework is set of Interfaces and classes .Framework follow the structure. • Allows writing managed code in the Java language. • Android is an open-source platform founded in October 2003 by Andy Rubin and backed by Google in November 2007. • Developed by Google and later the Open Handset Alliance (OHA). • Unveiling of the Android platform was announced on 5 November 2007(Android beta) with the founding of OHA.
  • 4. 4 A mobile operating system (OS) is a software that allows smart phones, tablet PCs and other devices to run applications and programs. Examples • Symbian OS • BlackBerry OS • Apple’s iOS • Windows Phone OS • Android OS Mobile Operating System
  • 5. HISTORY OF ANDROID  2005 ◦ Google acquires startup Android Inc. to start Android platform ◦ Work on Dalvik VM begins  2007 ◦ Open Handset Alliance announced ◦ Early look at SDK  2008 ◦ Google sponsors 1st Android Developer Challenge ◦ T-Mobile G1 announced ◦ SDK 1.0 released
  • 6. Android Versions  First Version of Android.  The focus of Android beta is testing incorporating usability.  Android beta 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.
  • 7.  Released on April 30, 2009.  Bluetooth auto-pairing.  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.  Battery usage indicator.  Typing is quite slower.
  • 8.  Released on October 26, 2009.  Bluetooth 2.1 support.  Multiple accounts can be added for e-mail & contact synchronization.  Search Functionality for saved SMS & MMS.  No Adobe flash media support.
  • 9.  Released on May 20, 2010.  Support for Adobe Flash 10.1  Portable hotspot  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.  no supports multi-core processors.
  • 10.  Released on February 22, 2011.  Customizable homescreen.  Support for multi-core processors available for tablets.  Released on November 14, 2011.  Control over network data.  Improved text input and spell check.  Ability to shut down apps that are using data in the background.
  • 11.  Released on June 27, 2012  High performance graphics powered by OpenGL ES 3.0.  Android 4.1 Jelly Bean improves on the speed and simplicity  Released on 31 October 2013  Printing framework.  Improved Smileys.
  • 12. Version Summary SR. NO. VERSION NAME REALESE DATE 1 Android Astro 1.0 2008 Sept 23 2 Banana Bread 1.1 2009 Feb 09 3 CupCake 1.5 2009 April 30 4 Donut 1.6 2009 Sept 15 5 Éclair 2.0/2.1 2009 Oct 26 6 Froyo 2.2 2010 May 20 7 GingerBread 2.3 2010 Dec 06 8 HoneyComb 3.0/3.1/3.2 2011 Feb 22 9 IcecreamSandwich 4.0 2011 Nov 14 10 JellyBean 4.1 2012 June 12 11 Kitkat 4.4 2013 Oct 31 12 Lime Pie/Lemon Pie 5.0 Mid 2014
  • 13. System Requirements Of Android  MINIMUM 32 MB OF RAM  32 MB OF FLASH MEMORY  200MHZ PROCESSOR
  • 14. Android Architecture
  • 15. Why so popular?  Free  Open Source  Open for customization  Large number of applications
  • 16. Advantages  Highly customizable.  Services can run in the background.  Notifications let you know of background events.  Multitasking.  Easy access to thousands of applications via the Google Android App Market.  Fast and easy development.  Many apps are free or low-cost.
  • 17. Disadvantages • Android operating system uses more amount of battery as compared to normal mobile phones. • As there are so many user sometimes it becomes difficult to connect all the users. • As we call Android is world of applications we continuously need to connected with the internet which is not possible for all the users.
  • 18. • Android is now stepping up in next level of mobile internet. • Android Mobile sales have becomes more then iPhone in two years. • Google may launch another version of android that starts L because Google is launching all the android versions in the alphabetical order. • Android have become the widely used operating system in world.
  • 19. And here is the latest news…..!!! The next major upgrade for Android, to follow on from Android 4.4 is Android 5.0 & the name is “LEMON PIE”. Google is thinking to release it in mid- 2014 It will be a free upgrade.
  • 20. And here is the pic for it…..!!!!