The version history of the Android mobile operating system began with the release of the Android betain November 2007. The first commercial version, Android 1.0, was released in September 2008. Android is under ongoing development by Google and the Open Handset Alliance (OHA), and has seen a number of updates to its base operating system since its original release.
Since April 2009, Android versions have been developed under a codename and released in alphabetical order: Cupcake, Donut, Eclair, Froyo, Gingerbread, Honeycomb, Ice Cream Sandwich, and Jelly Bean. As of 2013, over 900 million active devices use the Android OS worldwide. The most recent major Android update was Jelly Bean 4.3, which was released on commercial devices on 24 July 2013.
Version history by API level
The following tables show the release dates and key features of all Android OS updates to date, listed chronologically by their official application programming interface (API) levels.
1. Android 1.0 (API level 1)
2. Android 1.1 (API level 2)
3. Android 1.5 Cupcake (API level 3)
4. Android 1.6 Donut (API level 4)
5. Android 2.0 Eclair (API level 5)
6. Android 2.0.1 Eclair (API level 6)
7.Android 2.1 Eclair (API level 7)
8. Android 2.2–2.2.3 Froyo (API level 8)
9. Android 2.3–2.3.2 Gingerbread (API level 9)
10. Android 2.3.3–2.3.7 Gingerbread (API level 10)
11. Android 3.0 Honeycomb (API level 11)
12. Android 3.1 Honeycomb (API level 12)
13. Android 3.2 Honeycomb (API level 13)
14.Android 4.0–4.0.2 Ice Cream Sandwich (API level 14)
15. Android 4.0.3–4.0.4 Ice Cream Sandwich (API level 15)
16. Android 4.1 Jelly Bean (API level 16)
17. Android 4.2 Jelly Bean (API level 17)
18. Android 4.3 Jelly Bean (API level 18)
19.Android 4.4 KITKAT (API Level 19)
20. "L" release (developer preview)
Google released Jelly Bean 4.3 under the slogan "An even sweeter Jelly Bean" on 24 July 2013 during an event in San Francisco called "Breakfast with Sundar Pichai". Most Nexus devices received the update immediately, although the 2nd generation Nexus 7 tablet was the first device to officially ship with it. A security update was released on 22 August 2013.
Since April 2009, Android versions have been developed under a codename and released in alphabetical order: Cupcake, Donut, Eclair, Froyo, Gingerbread, Honeycomb, Ice Cream Sandwich, and Jelly Bean. As of 2013, over 900 million active devices use the Android OS worldwide. The most recent major Android update was Jelly Bean 4.3, which was released on commercial devices on 24 July 2013.
Version history by API level
The following tables show the release dates and key features of all Android OS updates to date, listed chronologically by their official application programming interface (API) levels.
1. Android 1.0 (API level 1)
2. Android 1.1 (API level 2)
3. Android 1.5 Cupcake (API level 3)
4. Android 1.6 Donut (API level 4)
5. Android 2.0 Eclair (API level 5)
6. Android 2.0.1 Eclair (API level 6)
7.Android 2.1 Eclair (API level 7)
8. Android 2.2–2.2.3 Froyo (API level 8)
9. Android 2.3–2.3.2 Gingerbread (API level 9)
10. Android 2.3.3–2.3.7 Gingerbread (API level 10)
11. Android 3.0 Honeycomb (API level 11)
12. Android 3.1 Honeycomb (API level 12)
13. Android 3.2 Honeycomb (API level 13)
14.Android 4.0–4.0.2 Ice Cream Sandwich (API level 14)
15. Android 4.0.3–4.0.4 Ice Cream Sandwich (API level 15)
16. Android 4.1 Jelly Bean (API level 16)
17. Android 4.2 Jelly Bean (API level 17)
18. Android 4.3 Jelly Bean (API level 18)
19.Android 4.4 KITKAT (API Level 19)
20. "L" release (developer preview)
Google released Jelly Bean 4.3 under the slogan "An even sweeter Jelly Bean" on 24 July 2013 during an event in San Francisco called "Breakfast with Sundar Pichai". Most Nexus devices received the update immediately, although the 2nd generation Nexus 7 tablet was the first device to officially ship with it. A security update was released on 22 August 2013.
Google announced Android 4.4 KitKat on 3 September 2013 with a release date set for October.The release had long been expected to be called 'Key Lime Pie'.
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