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The Android logo, featuring a stylized green robot.
The version history of the Android 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 a mobile operating system developed by Google and the Open Handset Alliance, and has seen a number of updates to its base operating system since its original release. These updates typically fix bugs and add new features. Since April 2009, each Android version has been developed under a codename based on a dessert or sweet treat. These versions have been released in alphabetical order: Cupcake, Donut, Éclair, Froyo (frozen yogurt), Gingerbread, Honeycomb, Ice Cream Sandwich, and Jelly Bean. The most recent update to the Android OS was Jelly Bean v4.1, which was announced in June 2012, and was released into the Android Open Source Project on July 9, 2012.
Contents
1Android beta
2Android 1.0
3Android 1.1
4Android 1.5 Cupcake
5Android 1.6 Donut
6Android 2.0/2.1 Eclair
7Android 2.2.x Froyo
8Android 2.3.x Gingerbread
9Android 3.x Honeycomb
10Android 4.0.x Ice Cream Sandwich
11Android 4.1.x Jelly Bean
12See also
13References
14Further reading
15External links
Android beta
The Android beta was released on November 5, 2007,while the software developer's kit (SDK) was released on November 12, 2007.
Android 1.0, the first commercial version of the software, was released on September 23, 2008.The first Android device, the HTC Dream, incorporated the following Android 1.0 features:
Version
Release date
Features
1.0
September 23, 2008
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")
Camera support – however this version lacked the option to change the camera's resolution, white balance, quality, etc.
Folders allowing the grouping of a number of app icons into a single folder icon on the Home screen.
Access to web email servers, supporting POP3, IMAP4, and SMTP.
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
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 stereo Bluetooth support
Notifications appear in the Status bar, with options to set ringtone, LED or vibration alerts
Voice Dialer allows dialing and placing of phone calls without typing a name or number
Wallpaper allows the user to set the background image or photo behind the Home screen icons and widgets
YouTube video player
Other apps include: Alarm Clock, Calculator, Dialer (Phone), Home screen (launcher), Pictures (Gallery), and Settings.
Wi-Fi and Bluetooth support
Android 1.1
click the video below to see android 1.1
Specificatons : On February 9, 2009, the Android 1.1 update was released, initially for the HTC Dream only. Android 1.1 was known as "Petit Four" internally, though this name was not used officially. The update resolved bugs, changed the API and added a number of features:
Version
Release date
Features
1.1
February 9, 2009
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
Android 1.5 Cupcake
click the video below to see android 1.5 Cupcake
The Android Emulator default home screen (v1.5).
Specificatons : On April 30, 2009, the Android 1.5 update was released, based on Linux kernel 2.6.27.This was the first release to use a name based on a dessert ("Cupcake"), a theme which would be used for all releases henceforth. The update included several new features and UI amendments:
Version
Release date
Features
1.5
April 30, 2009
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
Video recording and playback in MPEG-4 and 3GP formats
Auto-pairing and stereo support for Bluetooth added (A2DP and AVRCP profiles)
Copy and paste features added to 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
Added auto-rotation option
Added the current stock boot animation
Ability to upload videos to YouTube
Ability to upload photos to Picasa
Android 1.6 Donut
click the video below to see android 1.06 Donut
Specificatons :
The Android 1.6 home screen. On September 15, 2009, the Android 1.6 SDK – dubbed Donut – was released, based on Linux kernel 2.6.29.Included in the update were numerous new features:
Version
Release date
Features
1.6
September 15, 2009
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
click the video below to see android 2.3.x Gingerbread
Specificatons :
Google's Nexus S introduced Android 2.3 Gingerbread.
On December 6, 2010, the Android 2.3 (Gingerbread) SDK was released, based on Linux kernel 2.6.35. Changes included:
Version
Release date
Features
2.3
December 6, 2010
Updated user interface design with increased simplicity and speed
Support for extra-large screen sizes and resolutions (WXGA and higher)
Native support for SIP VoIP internet telephony
Faster, more intuitive text input in virtual keyboard, with improved accuracy, better suggested text and voice input mode
Enhanced copy/paste functionality, allowing users to select a word by press-hold, copy, and paste
Support for Near Field Communication (NFC), allowing the user to read an NFC tag embedded in a poster, sticker, or advertisement
New audio effects such as reverb, equalization, headphone virtualization, and bass boost
New Download Manager, giving users easy access to any file downloaded from the browser, email, or another application
Support for multiple cameras on the device, including a front-facing camera, if available
Support for WebM/VP8 video playback, and AAC audio encoding
Improved power management with a more active role in managing apps that are keeping the device awake for too long
Enhanced support for native code development
Switched from YAFFS to ext4 on newer devices
Audio, graphical, and input enhancements for game developers
Concurrent garbage collection for increased performance
Native support for more sensors (such as gyroscopes and barometers)
2.3.3
February 9, 2011
Several improvements and API fixes.
2.3.4
April 28, 2011
Support for voice or video chat using Google Talk.
Open Accessory Library support. Open Accessory was introduced in 3.1 (Honeycomb) but the Open Accessory Library grants 2.3.4 added support when connecting to a USB peripheral with compatible software and a compatible application on the device.
2.3.5
July 25, 2011
System enhancements:
Improved network performance for the Nexus S 4G, among other fixes and improvements
Fixed Bluetooth bug on Samsung Galaxy S
Improved Gmail application
Shadow animations for list scrolling
Camera software enhancements
Improved battery efficiency
2.3.6
September 2, 2011
Fixed a voice search bug
(The 2.3.6 update had the side-effect of impairing the Wi-Fi hotspot functionality of many Canadian Nexus S phones. Google acknowledged this problem and fixed it in late September).
click the video below to see android 3.x Honeycomb
Specificatons :
The Motorola Xoom tablet introduced Android 3.0 Honeycomb.
On February 22, 2011, the Android 3.0 (Honeycomb) SDK – the first tablet-only Android update – was released, based on Linux kernel 2.6.36. The first device featuring this version, the Motorola Xoom tablet, was released on February 24, 2011.[47] Changes included:[43]
Version
Release date
Features
3.0
February 22, 2011
Optimized tablet support with a new virtual and “holographic” user interface
Added System Bar, featuring quick access to notifications, status, and soft navigation buttons, available at the bottom of the screen
Added Action Bar, giving access to contextual options, navigation, widgets, or other types of content at the top of the screen
Simplified multitasking – tapping Recent Apps in the System Bar allows users to see snapshots of the tasks underway and quickly jump from one app to another
Redesigned keyboard, making typing fast, efficient and accurate on larger screen sizes
Simplified, more intuitive copy/paste interface
Multiple browser tabs replacing browser windows, plus form auto-fill and a new “incognito” mode allowing anonymous browsing
Quick access to camera exposure, focus, flash, zoom, front-facing camera, time-lapse, and other camera features
Ability to view albums and other collections in full-screen mode in Gallery, with easy access to thumbnails for other photos
New two-pane Contacts UI and Fast Scroll to let users easily organize and locate contacts
New two-pane Email UI to make viewing and organizing messages more efficient, allowing users to select one or more messages
Support for video chat using Google Talk
Hardware acceleration
Support for multi-core processors
Ability to encrypt all user data
HTTPS stack improved with Server Name Indication (SNI)
Filesystem in Userspace (FUSE; kernel module)
3.1
May 10, 2011
UI refinements
Connectivity for USB accessories
Expanded Recent Apps list
Resizable Home screen widgets
Support for external keyboards and pointing devices
Support for joysticks and gamepads
Support for FLAC audio playback
High-performance Wi-Fi lock, maintaining high-performance Wi-Fi connections when device screen is off
Support for HTTP proxy for each connected Wi-Fi access point
3.2
July 15, 2011
Improved hardware support, including optimizations for a wider range of tablets
Increased ability of apps to access files on the SD card, e.g. for synchronization
Compatibility display mode for apps that have not been optimized for tablet screen resolutions
New display support functions, giving developers more control over display appearance on different Android devices
3.2.1
September 20, 2011
Bug fixes and minor security, stability and Wi-Fi improvements
Update to Android Market with automatic updates and easier-to-read Terms and Condition text
Update to Google Books
Improved Adobe Flash support in browser
Improved Chinese handwriting prediction
3.2.2
August 30, 2011
Bug fixes and other minor improvements for the Motorola Xoom 4G
3.2.4
December 2011
"Pay as You Go" support for 3G and 4G tablets
3.2.6
February 2012
Fixed data connectivity issues when coming out of airplane mode on the US 4G Motorola Xoom
The Samsung Galaxy Nexus introduced Android 4.0 Ice Cream Sandwich.
The SDK for Android 4.0.1 (Ice Cream Sandwich), based on Linux kernel 3.0.1, was publicly released on October 19, 2011. Google's Gabe Cohen stated that Android 4.0 was "theoretically compatible" with any Android 2.3.x device in production at that time. The source code for Android 4.0 became available on November 14, 2011.The update introduced numerous new features, including:
Version
Release date
Features
4.0.1
October 19, 2011
Soft buttons from Android 3.x are now available for use on phones
Separation of widgets in a new tab, listed in a similar manner to apps
Easier-to-create folders, with a drag-and-drop style
A customizable launcher
Improved visual voicemail with the ability to speed up or slow down voicemail messages
Pinch-to-zoom functionality in the calendar
Integrated screenshot capture (accomplished by holding down the Power and Volume-Down buttons)
Improved error correction on the keyboard
Ability to access apps directly from lock screen
Improved copy and paste functionality
Better voice integration and continuous, real-time speech to text dictation
Face Unlock, a feature that allows users to unlock handsets using facial recognition software
New tabbed web browser, allowing up to 16 tabs
Automatic syncing of browser with users' Chrome bookmarks
A new typeface family for the UI, Roboto
Data Usage section in settings that lets users set warnings when they approach a certain usage limit, and disable data use when the limit is exceeded
Ability to shut down apps that are using data in the background
Improved camera app with zero shutter lag, time lapse settings, panorama mode, and the ability to zoom while recording
Built-in photo editor
New gallery layout, organized by location and person
Refreshed "People" app with social network integration, status updates and hi-res images
Android Beam, a near-field communication feature allowing the rapid short-range exchange of web bookmarks, contact info, directions, YouTube videos and other data
Support for the WebP image format
Hardware acceleration of the UI
Wi-Fi Direct
1080p video recording for stock Android devices
Android VPN Framework (AVF), and TUN (but not TAP) kernel module. Prior to 4.0, VPN software required rooted Android.
4.0.2
November 28, 2011
Fixed minor bugs on the Verizon Galaxy Nexus, the US launch of which was later delayed until December 2011
(For Canadian consumers, 4.0.2 reportedly created a bug on the Galaxy Nexus that crashed the application market when users attempted to view details of any Android application. It also inadvertently reduced the NFC capabilities of the Nexus phone).
4.0.3
December 16, 2011
Numerous bug fixes and optimizations
Improvements to graphics, databases, spell-checking and Bluetooth functionality
New APIs for developers, including a social stream API in the Contacts provider
Calendar provider enhancements
New camera apps enhancing video stabilization and QVGA resolution
Accessibility refinements such as improved content access for screen readers
4.0.4
March 29, 2012
Stability improvements
Better camera performance
Smoother screen rotation
Improved phone number recognition
Android 4.1.x Jelly Bean
click the video below to see android 4.1.x jelly bean
Specificatons :
Android 4.1 Jelly Bean on the Asus Nexus 7.
On June 27, 2012, at the Google I/O conference, Google announced Android 4.1 (Jelly Bean). Based on Linux kernel 3.1.10, Jelly Bean was an incremental update with the primary aim of improving the functionality and performance of the user interface. The performance improvement involved "Project Butter", which uses touch anticipation, triple buffering, extended vsync timing and a fixed frame rate of 60 fps to create a fluid and "buttery"-smooth UI. Android 4.1 Jelly Bean was released to AOSP on July 9, 2012, and an OTA update for the Nexus 7 to Android 4.1.1 was released on July 11, 2012, making it the first device to run Jelly Bean.
Version
Release date
Features
4.1.1
July 9, 2012
Smoother user interface:
Vsync timing across all drawing and animation done by the Android framework, including application rendering, touch events, screen composition and display refresh
Triple buffering in the graphics pipeline
Enhanced accessibility
Bi-directional text and other language support
User-installable keyboard maps
Expandable notifications
Ability to turn off notifications on an app specific basis
Shortcuts and widgets can automatically be re-arranged or re-sized to allow new items to fit on home screens
Bluetooth data transfer for Android Beam
Offline voice dictation
New interface layout for tablets with smaller screens (closer resembling that of a phone)
Improved voice search
Improved camera app
Google Wallet (for the Nexus 7)
High-resolution Google+ contact photos
Google Now search application
Multichannel audio
USB audio (for external sound DACs)
Audio chaining (also known as gapless playback)
Stock Android browser is replaced with the Android mobile version of Google Chrome in devices with Android 4.1 preinstalled
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The Android logo, featuring a stylized green robot.
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