Android version history

 

The version history of the Android mobile operating system began with the release of the Android alpha in November 2007. The first commercial version, Android 1.0, was released in September 2008. Android is continually developed by Google and the Open Handset Alliance (OHA), and 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, but since April 2009's Android 1.5 "Cupcake", Android versions have had confectionery-themed code names. Each is in alphabetical order, with the most recent being Android 7.0 "Nougat", released in August 2016.

Code name

	Version number	Initial release date	API level
N/A	1.0	23 September 2008	1
	1.1	9 February 2009	2
Cupcake	1.5	27 April 2009	3
Donut	1.6	15 September 2009	4
Eclair	2.0 – 2.1	26 October 2009	5–7
Froyo	2.2 – 2.2.3	20 May 2010	8
Gingerbread	2.3 – 2.3.7	6 December 2010	9–10
Honeycomb	3.0 – 3.2.6	22 February 2011	11–13
Ice Cream Sandwich	4.0 – 4.0.4	18 October 2011	14–15
Jelly Bean	4.1 – 4.3.1	9 July 2012	16–18
KitKat	4.4 – 4.4.4	31 October 2013	19–20
Lollipop	5.0 – 5.1.1	12 November 2014	21–22
Marshmallow	6.0 – 6.0.1	5 October 2015	23
Nougat	7.0	22 August 2016	24

			Android Nougat   Android 7.0 "Nougat" is the 7th major version of the Android operating system. First released as a beta build on March 9, 2016,[2] it was officially released on August 22, 2016with Nexus devices being the first to receive the update.[3] Nougat introduces notable changes to the operating system and its development platform, including the ability to display multiple apps on-screen at once in a split-screen view, support for inline replies to notifications, as well as an OpenJDK-based Java environment and support for the Vulkan graphics rendering API, and "seamless" system updates on supported devices.  If you want to see more information then click below link... https://en.wikipedia.org/wiki/Android_version_history