The version history of the Android mobile operating system began with the release of the Android beta in November 2007. The first commercial version, Android 1.0, was released in September 2008. Android is under ongoing development by Google and theOpen 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
1st android development after android beta is Android 1.0
features:
- Android Market application download and updates through the Market app
- Web browser to show, zoom and pan full HTML and XHTML web pages – multiple pages show as windows ("cards")[20][21]
- Camera support – however, this version lacked the option to change the camera's resolution, white balance, quality, etc.[22]
- Folders allowing the grouping of a number of app icons into a single folder icon on the Home screen[23]
- Access to web email servers, supporting POP3, IMAP4, and SMTP[21]
- Gmail synchronization with the Gmail app
- Google Contacts synchronization with the People app
- Google Calendar synchronization with the Calendar app
- Google Maps with Latitude and Street View to view maps and satellite imagery, as well as find local business and obtain driving directions using GPS[22]
- Google Sync, allowing management of over-the-air synchronization of Gmail, People, and Calendar
- Google Search, allowing users to search the Internet and phone apps, contacts, calendar, etc.
- Google Talk instant messaging
- Instant messaging, text messaging, and MMS
- Media Player, enabling management, importing, and playback of media files – however, this version lacked video and stereoBluetooth support[21][22]
- Notifications appear in the Status bar, with options to set ringtone, LED or vibration alerts[20][21][24]
- Voice Dialer allows dialing and placing of phone calls without typing a name or number[21]
- Wallpaper allows the user to set the background image or photo behind the Home screen icons and widgets
- YouTube video player[25]
- Other apps include: Alarm Clock, Calculator, Dialer (Phone), Home screen (Launcher), Pictures (Gallery), and Settings
- Wi-Fi and Bluetooth support
2nd android development is Android 1.1
features:
- Details and reviews available when a user searches for businesses on Maps
- Longer in-call screen timeout default when using the speakerphone, plus ability to show/hide dialpad
- Ability to save attachments in messages
- Support added for marquee in system layouts
3rd android development is Android 1.5 Cupcake
features:
- Support for third-party virtual keyboards with text prediction and user dictionary for custom words
- Support for Widgets – miniature application views that can be embedded in other applications (such as the Home screen) and receive periodic updates[31]
- Video recording and playback in MPEG-4 and 3GP formats
- Auto-pairing and stereo support for Bluetooth (A2DP and AVRCP profiles)
- Copy and paste features in web browser
- User pictures shown for Favorites in Contacts
- Specific date/time stamp shown for events in call log, and one-touch access to a contact card from call log event
- Animated screen transitions
- Auto-rotation option
- New stock boot animation
- Ability to upload videos to YouTube
- Ability to upload photos to Picasa
4th android development is Android 1.6 Donut
features:
- Voice and text entry search enhanced to include bookmark history, contacts, and the web
- Ability for developers to include their content in search results
- Multi-lingual speech synthesis engine to allow any Android application to "speak" a string of text
- Easier searching and ability to view app screenshots in Android Market
- Gallery, camera and camcorder more fully integrated, with faster camera access
- Ability for users to select multiple photos for deletion
- Updated technology support for CDMA/EVDO, 802.1x, VPNs, and a text-to-speech engine
- Support for WVGA screen resolutions
- Speed improvements in searching and camera applications
- Expanded Gesture framework and new GestureBuilder development tool
5th android development is Android 2.0 Eclair
features:
- Expanded Account sync, allowing users to add multiple accounts to a device for synchronization of email and contacts
- Microsoft Exchange email support, with combined inbox to browse email from multiple accounts in one page
- Bluetooth 2.1 support
- Ability to tap a Contacts photo and select to call, SMS, or email the person
- Ability to search all saved SMS and MMS messages, with delete oldest messages in a conversation automatically deleted when a defined limit is reached
- Numerous new camera features, including flash support, digital zoom, scene mode, white balance, color effect and macro focus
- Improved typing speed on virtual keyboard, with smarter dictionary that learns from word usage and includes contact names as suggestions
- Refreshed browser UI with bookmark thumbnails, double-tap zoom and support for HTML5
- Calendar agenda view enhanced, showing attending status for each invitee, and ability to invite new guests to events
- Optimized hardware speed and revamped UI
- Support for more screen sizes and resolutions, with better contrast ratio
- Improved Google Maps 3.1.2
- MotionEvent class enhanced to track multi-touch events[37]
- Addition of live wallpapers, allowing the animation of home-screen background images to show movement
6th android development is Android 2.0.1 Eclair
features:
- Minor API changes, bug fixes and framework behavioral change
7th android development is Android 2.1 Eclair
features:
- Minor amendments to the API and bug fixes
8th android development is Android 2.2–2.2.3 Froyo
features:
| 2.2 | 20 May 2010 |
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| 2.2.1 | 18 January 2011 |
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| 2.2.2 | 22 January 2011 | ||
| 2.2.3 | 21 November 2011 |
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features:
| [hide] Android 2.3.3–2.3.7 Gingerbread (API level 10) | |||
|---|---|---|---|
| Version | Release date | Features | Image(s) |
| 2.3.3 | 9 February 2011 |
| |
| 2.3.4 | 28 April 2011 |
| |
| 2.3.5 | 25 July 2011[55] |
| |
| 2.3.6 | 2 September 2011 | ||
| 2.3.7 | 21 September 2011 |
| |
features:
| 3.0 | 22 February 2011 |
|
features:
| 3.1 | 10 May 2011[63] |
|
features:
- Bluetooth Low Energy support.[108]
- Bluetooth Audio/Video Remote Control Profile (AVRCP) 1.3 support
- OpenGL ES 3.0 support, allowing for improved game graphics[108]
- Restricted access mode for new user profiles[108]
- Filesystem write performance improvement by running fstrim command while device is idle[109]
- Dial pad auto-complete in the Phone app[108]
- Improvements to Photo Sphere[110]
- Reworked camera UI, previously introduced on Google Play edition phones[111]
- Added fine-grained application permissions controls (hidden by default)[112]
- 4K resolution support[113]
- Many security enhancements, performance enhancements, and bug fixes[114]
- System-level support for geofencing and Wi-Fi scanning APIs
- Background Wi-Fi location still runs even when Wi-Fi is turned off
- Developer logging and analyzing enhancements
- Added support for five more languages
- Improved digital rights management (DRM) APIs
- Hebrew and Arabic right-to-left (RTL) support[108]
- Clock in the status bar disappears if clock is selected as lockscreen widget
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