What is android
Android is linux based mobile operating system, initially developed by Android Inc.
Android Inc. was founded in Palo Alto, California by Andy Rubin, Rich Miner, Nick Sears, and Chris White in October 2003. Later on Google acquired Android Inc. in July 2005. They gave name as “Android”. Later the Open Handset Alliance (OHA), a coalition of hardware, software and telecommunications companies. More than 30 companies were involved in the OHA, including Google, Qualcomm, Broadcom, HTC, Intel, Samsung, Motorola, Ebay, Sprint, Texas Instruments and Japanese wireless carriers KDDI and NTT DoCoMo etc.
The first commercially available smartphone running Android was the HTC Dream, also known as T-Mobile G1, announced on September 23, 2008.
Android phones typically come with several built-in applications and also support third-party programs. Developers can create programs for Android using the free Android software developer kit (SDK). Android programs used core java libraries and native libraries.
Android support
- Bluetooth
- EDGE
- 3G communication protocols, like EV-DO and HSDPA
- WiFi
- SMS messaging
- MMS
- video/still digital cameras
- GSM/HSDPA
- touchscreens
- GPS
- compasses
- accelerometers
- accelerated 3D graphics
Various version of android mobile operation system
Android is continually developed by Google and the Open Handset Alliance, and it 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. Android code names are confectionery-themed and have been in alphabetical order since 2009’s Android 1.5 Cupcake, with the most recent major version being Android 7.0 Nougat, released in August 2016.
| Code name | Version number | Initial release date | API level | Support status |
|---|---|---|---|---|
| (No codename) | 1.0 | September 23, 2008 | 1 | Unsupported |
| (Internally known as “Petit Four”) | 1.1 | February 9, 2009 | 2 | Unsupported |
| Cupcake | 1.5 | April 27, 2009 | 3 | Unsupported |
| Donut | 1.6 | September 15, 2009 | 4 | Unsupported |
| Eclair | 2.0–2.1 | October 26, 2009 | 5–7 | Unsupported |
| Froyo | 2.2–2.2.3 | May 20, 2010 | 8 | Unsupported |
| Gingerbread | 2.3–2.3.7 | December 6, 2010 | 9–10 | Unsupported |
| Honeycomb | 3.0–3.2.6 | February 22, 2011 | 11–13 | Unsupported |
| Ice Cream Sandwich | 4.0–4.0.4 | October 18, 2011 | 14–15 | Unsupported |
| Jelly Bean | 4.1–4.3.1 | July 9, 2012 | 16–18 | Unsupported |
| KitKat | 4.4–4.4.4 | October 31, 2013 | 19–20 | Supported |
| Lollipop | 5.0–5.1.1 | November 12, 2014 | 21–22 | Supported |
| Marshmallow | 6.0–6.0.1 | October 5, 2015 | 23 | Supported |
| Nougat | 7.0–7.1.2 | August 22, 2016 | 24–25 | Supported |
| O | 8.0 | TBA | 26 | Beta |
*The data above is from wikipedia.
Distributed various version of the Android platform
The relative number of devices running a given version of the Android platform.
| Version | Codename | API | Distribution |
|---|---|---|---|
| 2.3.3 – 2.3.7 |
Gingerbread | 10 | 0.8% |
| 4.0.3 – 4.0.4 |
Ice Cream Sandwich | 15 | 0.8% |
| 4.1.x | Jelly Bean | 16 | 3.1% |
| 4.2.x | 17 | 4.4% | |
| 4.3 | 18 | 1.3% | |
| 4.4 | KitKat | 19 | 18.1% |
| 5.0 | Lollipop | 21 | 8.2% |
| 5.1 | 22 | 22.6% | |
| 6.0 | Marshmallow | 23 | 31.2% |
| 7.0 | Nougat | 24 | 8.9% |
| 7.1 | 25 | 0.6% |
*The data above is from Google. It was collected during a seven-day period ending on June 5, 2017. Any versions with less than 0.1 percent distribution are not shown.
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