a 1.1 Android Overview

What is android

Android is linux based mobile operating system, initially developed by Android Inc.

Android Inc. was founded in Palo Alto, California  by Andy Rubin, Rich Miner, Nick Sears, and Chris White in October 2003. Later on Google acquired Android Inc. in July 2005. They gave name as “Android”. Later the Open Handset Alliance (OHA), a coalition of hardware, software and telecommunications companies. More than 30 companies were involved in the OHA, including Google, Qualcomm, Broadcom, HTC, Intel, Samsung, Motorola, Ebay, Sprint, Texas Instruments and Japanese wireless carriers KDDI and NTT DoCoMo etc.

The first commercially available smartphone running Android was the HTC Dream, also known as T-Mobile G1, announced on September 23, 2008.

Android phones typically come with several built-in applications and also support third-party programs. Developers can create programs for Android using the free Android software developer kit (SDK). Android programs used  core java libraries and native libraries.

Android support

  • Bluetooth
  • EDGE
  • 3G communication protocols, like EV-DO and HSDPA
  • WiFi
  • SMS messaging
  • MMS
  • video/still digital cameras
  • GSM/HSDPA
  • touchscreens
  • GPS
  • compasses
  • accelerometers
  • accelerated 3D graphics

Various version of android mobile operation system

Android is continually developed by Google and the Open Handset Alliance, and it has seen a number of updates to its base operating system since the initial release.

Versions 1.0 and 1.1 were not released under specific code names. Android code names are confectionery-themed and have been in alphabetical order since 2009’s Android 1.5 Cupcake, with the most recent major version being Android 7.0 Nougat, released in August 2016.

Code name Version number Initial release date API  level Support status
(No codename) 1.0 September 23, 2008 1 Unsupported
(Internally known as  “Petit Four”) 1.1 February 9, 2009 2 Unsupported
Cupcake 1.5 April 27, 2009 3 Unsupported
Donut 1.6 September 15, 2009 4 Unsupported
Eclair 2.0–2.1 October 26, 2009 5–7 Unsupported
Froyo 2.2–2.2.3 May 20, 2010 8 Unsupported
Gingerbread 2.3–2.3.7 December 6, 2010 9–10 Unsupported
Honeycomb 3.0–3.2.6 February 22, 2011 11–13 Unsupported
Ice Cream Sandwich 4.0–4.0.4 October 18, 2011 14–15 Unsupported
Jelly Bean 4.1–4.3.1 July 9, 2012 16–18 Unsupported
KitKat 4.4–4.4.4 October 31, 2013 19–20 Supported
Lollipop 5.0–5.1.1 November 12, 2014 21–22 Supported
Marshmallow 6.0–6.0.1 October 5, 2015 23 Supported
Nougat 7.0–7.1.2 August 22, 2016 24–25 Supported
O 8.0 TBA 26 Beta

*The data above is from wikipedia.

Distributed various version of the Android platform

The relative number of devices running a given version of the Android platform.

Version Codename API Distribution
2.3.3 –
2.3.7
Gingerbread 10 0.8%
4.0.3 –
4.0.4
Ice Cream Sandwich 15 0.8%
4.1.x Jelly Bean 16 3.1%
4.2.x 17 4.4%
4.3 18 1.3%
4.4 KitKat 19 18.1%
5.0 Lollipop 21 8.2%
5.1 22 22.6%
6.0 Marshmallow 23 31.2%
7.0 Nougat 24 8.9%
7.1 25 0.6%

*The data above is from Google. It was collected during a seven-day period ending on June 5, 2017. Any versions with less than 0.1 percent distribution are not shown.

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