Android App Development Tutorials

100+ tutorials, explanation videos, and examples to help you develop creative and technical skills.

What is Android?

Android is an open source and Linux-based operating system for mobile devices such as smartphones and tablet, computers. Android was developed by the Open Handset Alliance, led by Google, and other companies

Android Inc. was founded in Palo Alto, California, in October 2003 by Andy Rubin, Rich Miner, Nick Sears, and Chris White. Rubin described the Android project as having "tremendous potential in developing smarter mobile devices that are more aware of its owner's location and preferences". The early intentions of the company were to develop an advanced operating system for digital cameras, and this was the basis of its pitch to investors in April 2004. The company then decided that the market for cameras was not large enough for its goals, and five months later it had diverted its efforts and was pitching Android as a handset operating system that would rival Symbian and Microsoft Windows Mobile.

Categories of Android Applications

There are many categories in the market now a days. Some are listed below.

Versions of Android
Name Version Release Date API Level
Cupcake 1.5 27 Apr, 2009 3
Donut 1.6 15 Sep, 2009 4
Eclair 2.0 Oct, 2009 5
Eclair 2.0.1 3 Dec, 2009 6
Eclair 2.1 Jan, 2010 7
Froyo 2.2 – 2.2.3 20 May, 2010 8
Gingerbread 2.3 – 2.3.2 6 Dec, 2010 9
Gingerbread 2.3.3 – 2.3.7 9 Feb, 2011 10
Honeycomb 3.0 22 Feb, 2011 11
Honeycomb 3.1 10 May, 2011 12
Honeycomb 3.2 – 3.2.6 15 Jul, 2011 13
Ice Cram Sandwich 4.0 – 4.0.2 18 Oct, 2011 14
Ice Cram Sandwich 4.0.3 – 4.0.4 18 Dec, 2011 15
Jelly Bean 4.1 – 4.1.2 9 Jul, 2012 16
Jelly Bean 4.2 – 4.2.2 13 Nov, 2012 17
Jelly Bean 4.3 – 4.3.1 24 Jul, 2013 18
KitKat 4.4 – 4.4.4 31 Oct, 2013 19
KitKat 4.4W –4.4W.2 25 Jun, 2014 20
Lollipop 5.0 – 5.0.2 4 Nov, 2014 21
Lollipop 5.1 – 5.1.1 2 Mar, 2015 22
Marshmallow 6.0 – 6.0.1 2 Oct, 2015 23
Nougat 7.0 22 Aug, 2016 24
Nougat 7.1 – 7.1.2 4 Oct, 2016 25
Oreo 8.0 21 Aug, 2017 26
Oreo 8.1 5 Dec, 2017 27
Pie 9 6 Aug, 2018 28
Queen Cake 10 7 Sep, 2019 29
Red Velvet Cake 11 8 Sep, 2020 30
Snow Cone 12 October 4, 2021 31

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