Introduction to Android...

        History :

 

 - Initially, Andy Rubin founded Android Incorporation in Palo Alto, California, the United States in October 2003. In 2004 the project changed to become an operating system for smartphones.

 

- On 17th August 2005, Google acquired android Incorporation. Since then, it is in the subsidiary of Google Incorporation.

-  The key employees of Android Incorporation are Andy Rubin, Rich Miner, Chris White and Nick Sears.

- Originally intended for the camera but shifted to smartphones later because of a low market for camera only.

- Android is the nickname of Andy Rubin given by coworkers because of his love for robots.

-  In 2007, Google announces the development of android OS and in 2008, HTC launched the first android mobile.

-  The beta version of Android OS was released on November 5, 2007, while the software development kit (SDK) was released on November 12, 2007.

-  The first Android mobile was publicly released with Android 1.0 of the T-Mobile G1 by HTC in October 2008.

 Versions :

 

Code name	Version numbers	API level	Release date
No codename	1.0	1	September 23, 2008
No codename	1.1	2	February 9, 2009
Cupcake	1.5	3	April 27, 2009
Donut	1.6	4	September 15, 2009
Eclair	2.0 - 2.1	5 - 7	October 26, 2009
Froyo	2.2 - 2.2.3	8	May 20, 2010
Gingerbread	2.3 - 2.3.7	9 - 10	December 6, 2010
Honeycomb	3.0 - 3.2.6	11 - 13	February 22, 2011
Ice Cream Sandwich	4.0 - 4.0.4	14 - 15	October 18, 2011
Jelly Bean	4.1 - 4.3.1	16 - 18	July 9, 2012
KitKat	4.4 - 4.4.4	19 - 20	October 31, 2013
Lollipop	5.0 - 5.1.1	21- 22	November 12, 2014
Marshmallow	6.0 - 6.0.1	23	October 5, 2015
Nougat	7.0	24	August 22, 2016
Nougat	7.1.0 - 7.1.2	25	October 4, 2016
Oreo	8.0	26	August 21, 2017
Oreo	8.1	27	December 5, 2017
Pie	9.0	28	August 6, 2018
Android 10	10.0	29	September 3, 2019
Android 11	11	30	September 8, 2020

    

            Ecosystem :

             Android ecosystem is nothing but the relationship between Users, Developers /                     Programmers, and Hardware equipment makers, the Android ecosystem is nothing                 but the mutual dependence between Users, Developers, and equipment makers. they              are independent of each other so one cannot exist without the other.

            The main block of the android ecosystem is:

1. Android User
2. Developer
3. Equipment Maker