Android operating system by udayan thakurdesai

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  • 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 Apples 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 clair 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..!!!!