Android API version and level short code

• API 25 (Android 7.1) – Nougat, released December 2016. 
• API 24 (Android 7.0) – Nougat, released August 2016. 
• API 23 (Android 6.0) – Marshmallow, released August 2015. 
• API 22 (Android 5.1) – Lollipop, released March 2015. 
• API 21 (Android 5.0) – Lollipop, released November 2014. 
• API 20 (Android 4.4W) – Kitkat Watch, released June 2014. 
• API 19 (Android 4.4) – Kitkat, released October 2013. 
• API 18 (Android 4.3) – Jelly Bean, released July 2013. 
• API 17 (Android 4.2-4.2.2) – Jelly Bean, released November 2012.
• API 16 (Android 4.1-4.1.1) – Jelly Bean, released June 2012. 
• API 15 (Android 4.0.3-4.0.4) – Ice Cream Sandwich, released December 2011. B
• API 14 (Android 4.0-4.0.2) – Ice Cream Sandwich, released October 2011. 
• API 13 (Android 3.2) – Honeycomb, released June 2011. 
• API 12 (Android 3.1.x) – Honeycomb, released May 2011. 
• API 11 (Android 3.0.x) – Honeycomb, released February 2011. 
• API 10 (Android 2.3.3-2.3.4) – Gingerbread, released February 2011.
• API 9 (Android 2.3-2.3.2) – Gingerbread, released November 2010. 
• API 8 (Android 2.2.x) – Froyo, released June 2010. 
• API 7 (Android 2.1.x) – Eclair, released January 2010. 
• API 6 (Android 2.0.1) – Eclair, released December 2009. 
• API 5 (Android 2.0) – Eclair, released November 2009. 
• API 4 (Android 1.6) – Donut, released September 2009. 
• API 3 (Android 1.5) – Cupcake, released May 2009. 
• API 2 (Android 1.1) – Base, released February 2009. 
• API 1 (Android 1.0) – Base, released October 2008.