The Development Version of The Android OS
Android Beta
It was first released on November 5, 2007, then on November 12, 2007 Software Development Kit (SDK) was released by Google.
Android 1.0 (Astro)
First released in Spetember 23 2008. In fact the first version of Android will be named with the name "Astro" but for reasons of copyright and trademark the name "Astro" not so pinned on the first version of the Android OS. The HTC Dream is the first mobile phone to use this OS. Following the appearance of the HTC Dream.
In this first version of android has already introduced the Android Market, the place to download a wide variety of applications and updates to Android. Then there are features of syncronisasi with a variety of other Google services such as Google Contact, Calendar, Maps, Talk, and more.
Android 1.1 (Bender)
First released on February 9, 2009. This second version of Android is also having problems naming the same with its first version. At first this will be an Android named "Bender" but for reasons violates the trademark, the name "Bender" is not so pinned on this Android version. Initially this version of Android OS devices released for T-Mobile G1. This version is an update to fix some bugs, to replace the FIRE and add some features. Following the appearance of the home screen of Android OS v.1.1.
Android 1.5 Cupcake

Android 1.6 Donut

Android 2.0/2.1 Enclair
Was first released on December 9, 2009. Place the addition of features to the optimization of hardware, improved Google Maps 3.1.2, change the browser UI with HTML5 support, new and new contact list, support flash for camera 3.2 MP, digital Zoom, and Bluetooth 2.1. Some versions of updates between Android v.2.0 then v 2.0.2 and final v. 2.1.
Android 2.2 (Froyo) Frozen Yogurt
First released on May 20, 2010 on the Google Nexus One smartphone. On this version is support for Adobe Flash Player 10.1. An increase in the speed of opening and closing applications, as well as the use of SD Card as storage applications. When the Android Froyo present began to appear a lot of discussion that discusses about the rivalry between Android and iOS to be increasingly strict in the days to come. Some updated versions were released, among others, the Android v. 2.2.1 to 2.2.3 v..
Android 2.3 Gingerbread
First introduced on December 6, 2010. Been a lot of improvement on the version of Android on this one compared to the previous version. Designed to memaksimalakan the ability of applications and games. As well as starting the use of Near Field Communication (NFC). Improvements to support Screen WXGA resolution and above. Some updated versions were released, among others, v. 2.3.3 to v. 2.3.7. Until recently the Android Gingerbread is Android version that has the most users compared to other Android series reached 65% of all Android versions are released.
Android Honeycomb 3.0/3.1
First introduced on 22 February 2011 and Motorola Xoom is the first to use it. This version of Android is the OS that is designed specifically for use on tablet PC optimizers.
Android 4.0 Ice Cream Sandwiches
Until this article was written on the Android version of the ICS is most anyar. It was first released on October 19, 2011. The first Smartphone using the Android OS is Samsung Galaxy Nexus. In theory all mobile devices that use the previous version of Android, Gingerbread, you can update to Android Ice Cream sandwiches. However, most of the sayangnnya until now using the Android smartphone which is the ICS high-end-class smartphones were sold at prices quite expensive. Perhaps because of this reason the distribution version of Android on this one not more than 8% to pertangahn in 2012.The following diagram of distribution of Android OS based on his version.
That's the way the development of the Android Operating System from time to time. Although not even 4 years Android OS mobile phones on the market present but currently operating system-hosted by Google this is closer to the position of the iOS mobile operating system as a ruler in the world. So our writing about the development of the Android OS Version from time to time. Source: Vivanews