What is Android-Guide on Android OS for Mobile Phones




Android is a operating system based on Linux for mobile devices like smart phones and tablets. It was originally developed by Android Inc., a firm bought by Google in 2005. It is the main product of the Open Handset Alliance, a consortium of manufacturers and developers of hardware, software and service operators. Units sold for Android smartphones were on top in United States, in the second and third quarters of 2010, with a market share of 43.6% in the third quarter.


Android has a large community of developers writing applications to extend the functionality of the devices. To date, there are about 200,000 applications available for Android. Android Market is the online applications store run by Google. The programs are written in the programming language Java .


The announcement of Android was held on November 5, 2007 along with the creation of the Open Handset Alliance, a consortium of 78 hardware companies, software and telecommunications dedicated to developing open standards for mobile devices. Google released the Android code mostly under the licensed Apache , a free and open source license. Android currently holds 32.9% share of the worldwide market for smart phones , ahead of Nokia’s Symbian that has 30.6% . Apple is on third place with market share of 16%.


The operating system is composed of 12 million lines of code, including 3 million lines of XML, 2.8 million lines of C language, 2.1 million lines of Java and 1.75 million lines of C + +.


Android has seen numerous upgrades since its initial release. These updates typically fix base operating system bugs and add new functions. Generally each Android operating system update is carried down a code name for an element related to desserts. The code names are in alphabetical order.


Update History

  • 1.0 Released on September 23, 2008
  • 1.1 Released on February 9, 2009
  • 1.5 (Cupcake) Released On April 30, 2009,
  • 1.6 (Donut) Released On September 15, 2009
  • 2.0 / 2.1 (Eclair) Released On October 26, 2009
  • 2.2 (Froyo) Released On May 20, 2010
  • 2.3 (Gingerbread) Released On December 6, 2010
  • 3.0 Honeycomb Released On February 2, 2011
  • Android Icecreame (still in developing phase)
 
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