Android is most popular operating system for mobile now day’s. Android is basically developed in java language and founded by Android Inc. in Palo Alto, California in October 2003 by Rich Miner, Andy Rubin, Nick Sears & Chris White, which financially backed by Google and then bought it in 2005. It is basically based on Linux operating system and made for touch screen based smart mobile phones. The 1st Android based mobile phone was sold in October, 2008.
Android is one of the well known open sources and releases the code under the License named as apache. This open source permissive licensing and code permits the software to be freely customized & distributed by device manufacturers, enthusiast developers and wireless carriers.
There are so many versions of Android as follow:-
- Android cupcake
- Android donut
- Android éclair
- Android froyo
- Android gingerbread
- Android honeycomb
- Android ice cream sandwich
- Android jelly bean
- Android kitkat
So let we start discuss about these all versions of Android from latest one:
Android kitkat is the latest version of android operating system. As we all know android’s all versions named on deserts name so this latest version named on famous chocolate kitkat. It launched on 3 September, 2013.
1. Public API for developing and managing
2. Text messaging clients
3. Ability to specify a default SMS app
Android Jelly bean
Android Jelly bean released on 24 July, 2013 with various attractive features & a small bug fixing update was launched on 22 August 2013.
- Bluetooth low energy support.
- Bluetooth Video/audio Remote Control Profile 1.3 support.
- Open GL ES 3.0 support, permitting for better game graphics
- limited access mode for new user profiles
- File system write performance upgrading by running fstrim command while device is idle
- Improvements to Photo Sphere
- Dial pad auto-complete in the Phone app
Android ice cream sandwich
Ice Cream Sandwich is the Android codename based on dessert-themed for version 4.0 of Android mobile OS open source. Ice Cream sandwich released in October, 2011 as Google’s everywhere operating system for smart mobile phones, tablets & other mobile devices.
Honeycomb is Android’s 3.0 versions which entertain users with more attractive features.
- System Bar: it runs along with the bottom of the screen. It shows notifications, system information & navigational controls;
- Action Bar: it appears at the peak of the screen. Applications can modify the Action Bar for various uses, including navigation & widgets;
- A redesigned keyboard.
- Support for multi-core processors;
- Security improvements: such as encrypted storage & support for security code with multifaceted characters.
It released on 5 December 2010 with various features:
- Efficient user interface design with improved simplicity & speed
- Support for jumbo screen sizes & resolutions
- Quicker, more sensitive text input in virtual keyboard, with better accuracy, better optional text & voice input mode
- Improved copy-paste functionality, allowing clients to select a word by press-hold, copy, &paste
- Memory, Speed and performance optimizations.
- Additional apps speed enhancements, implemented through JIT compilation.
- Maintain for the Android Cloud to Device Messaging (C2DM) service, allowing push notifications.
- enhanced Microsoft Exchange support, as well as security policies, auto-discovery, calendar synchronization, GAL look-up & remote wipe
- better application launcher with shortcuts to Phone & Browser applications
Released on 26 October 2009 with features:
- Extended Account sync, enabling users to add many accounts to a device for synchronization of contacts and email.
- Microsoft switch email support, with shared inbox to browse email from many accounts in one page.
- Support Bluetooth 2.1.
- Capability to tap a Contacts photo & select to SMS, call, or email the person
Released on 15, September 2009 with features:
- Text and voice entry search improved to include contacts, bookmark history,& the web.
- Capability for developers to contain their content in search results.
- Multi-lingual talking synthesis engine to permit any Android apps to speak a string of text.
- Easier searching & capability to view apps screenshots in Android Market
- Animated screen transitions.
- Auto-rotation option.
- New stock boot animation.
- Ability to upload videos to YouTube.
- Ability to upload photos to Picasa