android beta

8/13/2019 Android Beta

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Android beta

The Androidbetawas released on 5 November 2007,[4][5]

while thesoftware development kit

(SDK) was released on 12 November 2007.[6]

Android 1.0

Android 1.0, the first commercial version of the software, was released on 23 September 2008.[7]

The first Android device, theHTC Dream,[8]

incorporated the following Android 1.0 features:

[hide]Android 1.0

VersionRelease

dateFeatures Image(s)

1.0 23September2008

Android Marketapplication download andupdates through the Market app

Web browserto show, zoom and pan fullHTMLandXHTMLweb pagesmultiple

pages show as windows ("cards")[9][10]

Camera supporthowever this version

lacked the option to change the camera's

resolution, white balance, quality, etc.[11]

Folders allowing the grouping of a number of

app icons into a single folder icon on the

Home screen.[12]

Access to web email servers, supportingPOP3,IMAP4,andSMTP.[10]

Gmailsynchronization with the Gmail app Google Contactssynchronization with the

People app

Google Calendarsynchronization with theCalendar app Google MapswithLatitudeandStreet View

to view maps and satellite imagery, as well asfind local business and obtain drivingdirections usingGPS[11]

Google Sync,allowing management of over-the-air synchronization of Gmail, People, andCalendar

Google Search,allowing users to search theInternet and phone apps, contacts, calendar,

etc.

Google Talkinstant messaging

Instant messaging,text messaging,and MMS Media Player,enabling management,

importing, and playback of media fileshowever, this version lacked video and stereoBluetoothsupport[10][11]

Notifications appear in the Status bar, withoptions to set ringtone, LED or vibrationalerts

[9][10][13]

Android 1.0 on theHTCDream.
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Voice Dialer allows dialing and placing ofphone calls without typing a name ornumber[10]

Wallpaper allows the user to set thebackground image or photo behind the Home

screen icons and widgets YouTubevideo player[14] Other apps include: Alarm Clock, Calculator,

Dialer (Phone), Home screen (launcher),Pictures (Gallery), and Settings.

Wi-Fiand Bluetooth supportAndroid 1.1

On 9 February 2009, the Android 1.1 update was released, initially for theHTC Dreamonly.Android 1.1 was known as "Petit Four"internally, though this name was not used officially.

[15]

The update resolved, changed the AndroidAPIand added a number of features:[16]

[hide]Android 1.1

VersionRelease


1.1 9

February2009

Details and reviews available when a usersearches for businesses on Maps

Longer in-call screen timeout default whenusing the speakerphone, plus ability toshow/hide dialpad

Ability to save attachments in messages Support added for marquee in system layouts

Android 1.5 Cupcake

On 30 April 2009, the Android 1.5 update was released, based onLinux kernel2.6.27.[17][18]

This

was the first release to officially 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 UIamendments:

[19]

[hide]Android 1.5 Cupcake

Version Release Features Image(s)
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date

1.5 30April

2009

Support for third-party virtual keyboards withtext prediction and user dictionary for custom

words

Support forWidgetsminiature applicationviews that can be embedded in otherapplications (such as the Home screen) andreceive periodic updates[20]

Video recording and playback inMPEG-4and3GP formats

Auto-pairing and stereo support for Bluetoothadded (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 cardfrom call log event

Animated screen transitions Added auto-rotation option Added the current stock boot animation Ability to upload videos toYouTube Ability to upload photos toPicasa

Android 1.5 on theHTCMagic.

Android 1.6 Donut

On 15 September 2009, the Android 1.6 SDKdubbed Donutwas released, based on Linux

kernel 2.6.29.[21][22][23]

Included in the update were numerous new features:[21]

[hide]Android 1.6 Donut

Version Releasedate Features Image(s)

1.6 15September

2009

Voice and text entry search enhanced toinclude bookmark history, contacts, and the

web

Ability for developers to include their contentin search results

Multi-lingualspeech synthesisengine toallow any Android application to "speak" a

string of text

Easier searching and ability to view appscreenshots in Android Market

Gallery, camera and camcorder more fullyintegrated, with faster camera access

Ability for users to select multiple photos fordeletion

Updated technology support forCDMA/EVDO,802.1x,VPNs,and a text-to-speech engine

Support forWVGAscreen resolutions Speed improvements in searching and camera
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applications

Expanded Gesture framework and newGestureBuilder development tool

Android 2.0/2.1 Eclair

On 26 October 2009, the Android 2.0 SDKcodenamed Eclairwas released, based on Linuxkernel 2.6.29.

[24]Changes included:

[25]

[hide]Android 2.0 Eclair

VersionRelease


2.0 26

October2009

Expanded Account sync, allowing users toadd multiple accounts to a device for email-and contact-synchronization

Exchange email support, with combinedinbox 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 MMSmessages, with delete oldest messages in a

conversation automatically deleted when adefined limit is reached

Numerous new camera features, includingflash support, digital zoom, scene mode,white balance, color effect and macro focus

Improved typing speed on virtual keyboard,with smarter dictionary that learns from wordusage and includes contact names assuggestions

Refreshed browser UI with bookmarkthumbnails, double-tap zoom and support forHTML5

Calendar agenda view enhanced, showingattending status for each invitee, and ability toinvite 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[26]

Addition of live wallpapers, allowing theanimation of home-screen background imagesto show movement

Android 2.0 Eclair on the

Motorola Droid.

2.0.13December2009[27]

* Minor API changes, bug fixes and frameworkbehavioral changes
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[hide]Android 2.1 Eclair

VersionRelease


2.1 12January

2010[28]

Minor amendments to the API and bug fixes

Android 2.2.x Froyo

On 20 May 2010, Android 2.2 (Froyo, short for Frozen Yogurt) SDK was released, based on

Linux kernel 2.6.32.[29]

[hide]Android 2.2 Froyo

VersionRelease


2.2 20 May2010

Speed, memory, and performanceoptimizations

[30]

Additional application speed improvements,implemented throughJIT compilation[31]

Integration ofChrome'sV8 JavaScript engineinto the Browser application

Support for theAndroid Cloud to DeviceMessaging(C2DM) service, enablingpushnotifications

Improved Microsoft Exchange support,including security policies, auto-discovery,GAL look-up, calendar synchronization andremote wipe

Improved application launcher with shortcutsto Phone and Browser applications

USB tethering andWi-Fi hotspotfunctionality

Added an option to disable data access overmobile network

Updated Market application with batch andautomatic update features[30]

Quick switching between multiple keyboardlanguages and their dictionaries

Voice dialing and contact sharing overBluetooth

Support for Bluetooth-enabled car and deskdocks

Support for numeric and alphanumericpasswords

Support for file upload fields in the Browserapplication[32]

Support for installing applications to theexpandable memory

Adobe Flashsupport[33] Support for extra-high-PPIscreens (320 ppi),

Android 2.2 Froyo on theNexus One.
http://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-2.1_SDK-28http://en.wikipedia.org/wiki/Android_version_history#cite_note-2.1_SDK-28http://en.wikipedia.org/wiki/Android_version_history#cite_note-2.1_SDK-28http://en.wikipedia.org/wiki/Android_version_history#cite_note-froyo-dev-blog-29http://en.wikipedia.org/wiki/Android_version_history#cite_note-froyo-dev-blog-29http://en.wikipedia.org/wiki/Android_version_history#cite_note-froyo-dev-blog-29http://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-unofficial-froyo-features-30http://en.wikipedia.org/wiki/Android_version_history#cite_note-unofficial-froyo-features-30http://en.wikipedia.org/wiki/Android_version_history#cite_note-unofficial-froyo-features-30http://en.wikipedia.org/wiki/Just-in-time_compilationhttp://en.wikipedia.org/wiki/Just-in-time_compilationhttp://en.wikipedia.org/wiki/Just-in-time_compilationhttp://en.wikipedia.org/wiki/Just-in-time_compilationhttp://en.wikipedia.org/wiki/Google_Chromehttp://en.wikipedia.org/wiki/Google_Chromehttp://en.wikipedia.org/wiki/Google_Chromehttp://en.wikipedia.org/wiki/V8_%28JavaScript_engine%29http://en.wikipedia.org/wiki/V8_%28JavaScript_engine%29http://en.wikipedia.org/wiki/V8_%28JavaScript_engine%29http://en.wikipedia.org/wiki/Android_Cloud_to_Device_Messaginghttp://en.wikipedia.org/wiki/Android_Cloud_to_Device_Messaginghttp://en.wikipedia.org/wiki/Android_Cloud_to_Device_Messaginghttp://en.wikipedia.org/wiki/Android_Cloud_to_Device_Messaginghttp://en.wikipedia.org/wiki/Push_technologyhttp://en.wikipedia.org/wiki/Push_technologyhttp://en.wikipedia.org/wiki/Push_technologyhttp://en.wikipedia.org/wiki/Push_technologyhttp://en.wikipedia.org/wiki/Wi-Fi_hotspothttp://en.wikipedia.org/wiki/Wi-Fi_hotspothttp://en.wikipedia.org/wiki/Wi-Fi_hotspothttp://en.wikipedia.org/wiki/Android_version_history#cite_note-unofficial-froyo-features-30http://en.wikipedia.org/wiki/Android_version_history#cite_note-unofficial-froyo-features-30http://en.wikipedia.org/wiki/Android_version_history#cite_note-unofficial-froyo-features-30http://en.wikipedia.org/wiki/Android_version_history#cite_note-32http://en.wikipedia.org/wiki/Android_version_history#cite_note-32http://en.wikipedia.org/wiki/Android_version_history#cite_note-32http://en.wikipedia.org/wiki/Adobe_Flashhttp://en.wikipedia.org/wiki/Adobe_Flashhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-33http://en.wikipedia.org/wiki/Android_version_history#cite_note-33http://en.wikipedia.org/wiki/Android_version_history#cite_note-33http://en.wikipedia.org/wiki/Pixel_densityhttp://en.wikipedia.org/wiki/Pixel_densityhttp://en.wikipedia.org/wiki/Pixel_densityhttp://en.wikipedia.org/wiki/Nexus_Onehttp://en.wikipedia.org/wiki/Nexus_Onehttp://en.wikipedia.org/wiki/File:Android_2.2_Home_Screen.pnghttp://en.wikipedia.org/wiki/Nexus_Onehttp://en.wikipedia.org/wiki/Pixel_densityhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-33http://en.wikipedia.org/wiki/Adobe_Flashhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-32http://en.wikipedia.org/wiki/Android_version_history#cite_note-unofficial-froyo-features-30http://en.wikipedia.org/wiki/Wi-Fi_hotspothttp://en.wikipedia.org/wiki/Push_technologyhttp://en.wikipedia.org/wiki/Push_technologyhttp://en.wikipedia.org/wiki/Android_Cloud_to_Device_Messaginghttp://en.wikipedia.org/wiki/Android_Cloud_to_Device_Messaginghttp://en.wikipedia.org/wiki/V8_%28JavaScript_engine%29http://en.wikipedia.org/wiki/Google_Chromehttp://en.wikipedia.org/wiki/Just-in-time_compilationhttp://en.wikipedia.org/wiki/Just-in-time_compilationhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-unofficial-froyo-features-30http://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-froyo-dev-blog-29http://en.wikipedia.org/wiki/Android_version_history#cite_note-2.1_SDK-28http://en.wikipedia.org/wiki/Android_version_history


6/13

such as 4" 720p[34]

Gallery allows users to view picture stacksusing a zoom gesture

2.2.118January

2011

Bug fixes, security updates and performanceimprovements

2.2.222January2011

Minor bug fixes, including SMS routingissues that affected theNexus One.[35]

2.2.3

21

November2011

Two security patches

Android 2.3.x Gingerbread

On 6 December 2010, the Android 2.3 (Gingerbread) SDK was released, based on Linux kernel

2.6.35.

[36][37]

Changes included:

[36]

[hide]Android 2.3 Gingerbread

VersionRelease


2.3 6December

2010

Updated user interface design with increasedsimplicity and speed

Support for extra-large screen sizes andresolutions (WXGAand higher)[34]

Native support forSIPVoIPinternettelephony

Faster, more intuitive text input in virtualkeyboard, with improved accuracy, better

suggested text and voice input mode Enhancedcopy/pastefunctionality, allowing

users to select a word by press-hold, copy,and paste

Support forNear Field Communication(NFC), allowing the user to read an NFC tag

embedded in a poster, sticker, oradvertisement

New audio effects such as reverb,equalization, headphone virtualization, and

bass boost

NewDownload Manager,giving users easyaccess 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 forWebM/VP8 video playback, andAACaudio encoding

Improvedpower managementwith a moreactive role in managing apps that are keeping

Android 2.3. Launched with

Google'sNexus S.
http://en.wikipedia.org/wiki/Android_version_history#cite_note-multiple-screens-34http://en.wikipedia.org/wiki/Android_version_history#cite_note-multiple-screens-34http://en.wikipedia.org/wiki/Android_version_history#cite_note-multiple-screens-34http://en.wikipedia.org/wiki/Nexus_Onehttp://en.wikipedia.org/wiki/Nexus_Onehttp://en.wikipedia.org/wiki/Android_version_history#cite_note-35http://en.wikipedia.org/wiki/Android_version_history#cite_note-35http://en.wikipedia.org/wiki/Android_version_history#cite_note-35http://en.wikipedia.org/wiki/Android_version_history#cite_note-gingerbread-highlights-36http://en.wikipedia.org/wiki/Android_version_history#cite_note-gingerbread-highlights-36http://en.wikipedia.org/wiki/Android_version_history#cite_note-gingerbread-highlights-36http://en.wikipedia.org/wiki/Android_version_history#cite_note-gingerbread-highlights-36http://en.wikipedia.org/wiki/Android_version_history#cite_note-gingerbread-highlights-36http://en.wikipedia.org/wiki/Android_version_history#cite_note-gingerbread-highlights-36http://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/WXGA_%28graphics%29http://en.wikipedia.org/wiki/WXGA_%28graphics%29http://en.wikipedia.org/wiki/WXGA_%28graphics%29http://en.wikipedia.org/wiki/Android_version_history#cite_note-multiple-screens-34http://en.wikipedia.org/wiki/Android_version_history#cite_note-multiple-screens-34http://en.wikipedia.org/wiki/Android_version_history#cite_note-multiple-screens-34http://en.wikipedia.org/wiki/Session_Initiation_Protocolhttp://en.wikipedia.org/wiki/Session_Initiation_Protocolhttp://en.wikipedia.org/wiki/Voice_over_IPhttp://en.wikipedia.org/wiki/Voice_over_IPhttp://en.wikipedia.org/wiki/Voice_over_IPhttp://en.wikipedia.org/wiki/Cut,_copy,_and_pastehttp://en.wikipedia.org/wiki/Cut,_copy,_and_pastehttp://en.wikipedia.org/wiki/Cut,_copy,_and_pastehttp://en.wikipedia.org/wiki/Near_Field_Communicationhttp://en.wikipedia.org/wiki/Near_Field_Communicationhttp://en.wikipedia.org/wiki/Near_Field_Communicationhttp://en.wikipedia.org/wiki/Download_Managerhttp://en.wikipedia.org/wiki/Download_Managerhttp://en.wikipedia.org/wiki/Download_Managerhttp://en.wikipedia.org/wiki/WebMhttp://en.wikipedia.org/wiki/WebMhttp://en.wikipedia.org/wiki/WebMhttp://en.wikipedia.org/wiki/Advanced_Audio_Codinghttp://en.wikipedia.org/wiki/Advanced_Audio_Codinghttp://en.wikipedia.org/wiki/Power_managementhttp://en.wikipedia.org/wiki/Power_managementhttp://en.wikipedia.org/wiki/Nexus_Shttp://en.wikipedia.org/wiki/Nexus_Shttp://en.wikipedia.org/wiki/Nexus_Shttp://en.wikipedia.org/wiki/File:Android_2.3.pnghttp://en.wikipedia.org/wiki/Nexus_Shttp://en.wikipedia.org/wiki/Power_managementhttp://en.wikipedia.org/wiki/Advanced_Audio_Codinghttp://en.wikipedia.org/wiki/WebMhttp://en.wikipedia.org/wiki/Download_Managerhttp://en.wikipedia.org/wiki/Near_Field_Communicationhttp://en.wikipedia.org/wiki/Cut,_copy,_and_pastehttp://en.wikipedia.org/wiki/Voice_over_IPhttp://en.wikipedia.org/wiki/Session_Initiation_Protocolhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-multiple-screens-34http://en.wikipedia.org/wiki/WXGA_%28graphics%29http://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-gingerbread-highlights-36http://en.wikipedia.org/wiki/Android_version_history#cite_note-gingerbread-highlights-36http://en.wikipedia.org/wiki/Android_version_history#cite_note-gingerbread-highlights-36http://en.wikipedia.org/wiki/Android_version_history#cite_note-35http://en.wikipedia.org/wiki/Nexus_Onehttp://en.wikipedia.org/wiki/Android_version_history#cite_note-multiple-screens-34


7/13

the device awake for too long

Enhanced support for native codedevelopment

Switched fromYAFFStoext4on newerdevices[38][39]

Audio, graphical, and input enhancements forgame developers

Concurrentgarbage collectionfor increasedperformance

Native support for more sensors (such asgyroscopesandbarometers)

2.3.1December2010 Improvements and bug fixes for the Google

Nexus S.2.3.2

January2011

[hide]Android 2.3.3 Gingerbread

Version

Release

date Features Image(s)

2.3.3 9February2011

Several improvements and API fixes.[40]

2.3.428 April2011

Support for voice or video chat usingGoogle Talk.[41] Open Accessory Library support. Open Accessory was

introduced in 3.1 (Honeycomb) but the Open AccessoryLibrary grants 2.3.4 added support when connecting to a USB

peripheral with compatible software and a compatible

application on the device.[42]

2.3.525 July2011

System enhancements:[43] Improved network performance for theNexus S4G, amongother fixes and improvements Fixed Bluetooth bug onSamsung Galaxy S Improved Gmail application Shadow animations for list scrolling Camera software enhancements Improved battery efficiency

2.3.6

2

September2011

Fixed a voice search bug(The 2.3.6 update had the side-effect of impairing the Wi-Fi hotspotfunctionality of many Canadian Nexus S phones. Googleacknowledged this problem and fixed it in late September).[44][45]

2.3.721September2011

Google Walletsupport for the Nexus S 4G.

Android 3.x Honeycomb
http://en.wikipedia.org/wiki/YAFFShttp://en.wikipedia.org/wiki/YAFFShttp://en.wikipedia.org/wiki/YAFFShttp://en.wikipedia.org/wiki/Ext4http://en.wikipedia.org/wiki/Ext4http://en.wikipedia.org/wiki/Ext4http://en.wikipedia.org/wiki/Android_version_history#cite_note-38http://en.wikipedia.org/wiki/Android_version_history#cite_note-38http://en.wikipedia.org/wiki/Android_version_history#cite_note-38http://en.wikipedia.org/wiki/Garbage_collection_%28computer_science%29http://en.wikipedia.org/wiki/Garbage_collection_%28computer_science%29http://en.wikipedia.org/wiki/Garbage_collection_%28computer_science%29http://en.wikipedia.org/wiki/Gyroscopehttp://en.wikipedia.org/wiki/Gyroscopehttp://en.wikipedia.org/wiki/Barometerhttp://en.wikipedia.org/wiki/Barometerhttp://en.wikipedia.org/wiki/Barometerhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-40http://en.wikipedia.org/wiki/Android_version_history#cite_note-40http://en.wikipedia.org/wiki/Android_version_history#cite_note-40http://en.wikipedia.org/wiki/Google_Talkhttp://en.wikipedia.org/wiki/Google_Talkhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-41http://en.wikipedia.org/wiki/Android_version_history#cite_note-41http://en.wikipedia.org/wiki/Android_version_history#cite_note-41http://en.wikipedia.org/wiki/Android_version_history#cite_note-42http://en.wikipedia.org/wiki/Android_version_history#cite_note-42http://en.wikipedia.org/wiki/Android_version_history#cite_note-42http://en.wikipedia.org/wiki/Android_version_history#cite_note-43http://en.wikipedia.org/wiki/Android_version_history#cite_note-43http://en.wikipedia.org/wiki/Android_version_history#cite_note-43http://en.wikipedia.org/wiki/Nexus_Shttp://en.wikipedia.org/wiki/Nexus_Shttp://en.wikipedia.org/wiki/Nexus_Shttp://en.wikipedia.org/wiki/Samsung_Galaxy_Shttp://en.wikipedia.org/wiki/Samsung_Galaxy_Shttp://en.wikipedia.org/wiki/Samsung_Galaxy_Shttp://en.wikipedia.org/wiki/Android_version_history#cite_note-44http://en.wikipedia.org/wiki/Android_version_history#cite_note-44http://en.wikipedia.org/wiki/Android_version_history#cite_note-44http://en.wikipedia.org/wiki/Google_Wallethttp://en.wikipedia.org/wiki/Google_Wallethttp://en.wikipedia.org/wiki/Google_Wallethttp://en.wikipedia.org/wiki/Android_version_history#cite_note-44http://en.wikipedia.org/wiki/Android_version_history#cite_note-44http://en.wikipedia.org/wiki/Samsung_Galaxy_Shttp://en.wikipedia.org/wiki/Nexus_Shttp://en.wikipedia.org/wiki/Android_version_history#cite_note-43http://en.wikipedia.org/wiki/Android_version_history#cite_note-42http://en.wikipedia.org/wiki/Android_version_history#cite_note-41http://en.wikipedia.org/wiki/Google_Talkhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-40http://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Barometerhttp://en.wikipedia.org/wiki/Gyroscopehttp://en.wikipedia.org/wiki/Garbage_collection_%28computer_science%29http://en.wikipedia.org/wiki/Android_version_history#cite_note-38http://en.wikipedia.org/wiki/Android_version_history#cite_note-38http://en.wikipedia.org/wiki/Ext4http://en.wikipedia.org/wiki/YAFFS


8/13

On 22 February 2011, the Android 3.0 (Honeycomb) SDKthe firsttablet-only Android update

was released, based on Linux kernel 2.6.36.[46][47][48][49]

The first device featuring this version,

theMotorola Xoomtablet, was released on 24 February 2011.[50]

The update's featuresincluded:

[46]

[hide]Android 3.0 Honeycomb

Version Releasedate

Features Image(s)

3.0 22February

2011

Optimized tablet support with a new virtualand holographic user interface

Added System Bar, featuring quick access tonotifications, 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 multitaskingtapping Recent Appsin the System Bar allows users to see snapshots

of the tasks underway and quickly jump fromone 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 newincognito mode allowing anonymous

browsing

Quick access to camera exposure, focus, flash,zoom, front-facing camera, time-lapse, andother camera features

Ability to view albums and other collections infull-screen mode in Gallery, with easy access

to thumbnails for other photos

New two-pane Contacts UI and Fast Scroll tolet users easily organize and locate contacts

New two-pane Email UI to make viewing andorganizing messages more efficient, allowing

users to select one or more messages

Support for video chat usingGoogle Talk Hardware acceleration Support for multi-core processors Ability to encrypt all user data HTTPS stack improved withServer NameIndication(SNI) Filesystem in Userspace(FUSE; kernel

module)

Android 3.0 on theMotorola

Xoomtablet.

[hide]Android 3.1 Honeycomb

VersionRelease


3.1 10 May UI refinements
http://en.wikipedia.org/wiki/Tablet_computerhttp://en.wikipedia.org/wiki/Tablet_computerhttp://en.wikipedia.org/wiki/Tablet_computerhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-honeycomb-highlights-46http://en.wikipedia.org/wiki/Android_version_history#cite_note-honeycomb-highlights-46http://en.wikipedia.org/wiki/Android_version_history#cite_note-48http://en.wikipedia.org/wiki/Android_version_history#cite_note-48http://en.wikipedia.org/wiki/Motorola_Xoomhttp://en.wikipedia.org/wiki/Motorola_Xoomhttp://en.wikipedia.org/wiki/Motorola_Xoomhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-50http://en.wikipedia.org/wiki/Android_version_history#cite_note-50http://en.wikipedia.org/wiki/Android_version_history#cite_note-50http://en.wikipedia.org/wiki/Android_version_history#cite_note-honeycomb-highlights-46http://en.wikipedia.org/wiki/Android_version_history#cite_note-honeycomb-highlights-46http://en.wikipedia.org/wiki/Android_version_history#cite_note-honeycomb-highlights-46http://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Google_Talkhttp://en.wikipedia.org/wiki/Google_Talkhttp://en.wikipedia.org/wiki/Google_Talkhttp://en.wikipedia.org/wiki/Server_Name_Indicationhttp://en.wikipedia.org/wiki/Server_Name_Indicationhttp://en.wikipedia.org/wiki/Server_Name_Indicationhttp://en.wikipedia.org/wiki/Server_Name_Indicationhttp://en.wikipedia.org/wiki/Filesystem_in_Userspacehttp://en.wikipedia.org/wiki/Filesystem_in_Userspacehttp://en.wikipedia.org/wiki/Motorola_Xoomhttp://en.wikipedia.org/wiki/Motorola_Xoomhttp://en.wikipedia.org/wiki/Motorola_Xoomhttp://en.wikipedia.org/wiki/Motorola_Xoomhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/File:Android_3.0_on_the_Motorola_Xoom.jpghttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Motorola_Xoomhttp://en.wikipedia.org/wiki/Motorola_Xoomhttp://en.wikipedia.org/wiki/Filesystem_in_Userspacehttp://en.wikipedia.org/wiki/Server_Name_Indicationhttp://en.wikipedia.org/wiki/Server_Name_Indicationhttp://en.wikipedia.org/wiki/Google_Talkhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-honeycomb-highlights-46http://en.wikipedia.org/wiki/Android_version_history#cite_note-50http://en.wikipedia.org/wiki/Motorola_Xoomhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-48http://en.wikipedia.org/wiki/Android_version_history#cite_note-48http://en.wikipedia.org/wiki/Android_version_history#cite_note-honeycomb-highlights-46http://en.wikipedia.org/wiki/Android_version_history#cite_note-honeycomb-highlights-46http://en.wikipedia.org/wiki/Tablet_computer


9/13

2011[51] 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 forFLACaudio playback[52][53] 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[hide]Android 3.2 Honeycomb

VersionRelease


3.2 15 July2011[54]

Improved hardware support, including optimizations for awider range of tablets

Increased ability of apps to access files on the SD card, e.g. forsynchronization

Compatibility display mode for apps that have not beenoptimized for tablet screen resolutions

New display support functions, giving developers more controlover display appearance on different Android devices[55]

3.2.120September

2011

Bug fixes and minor security, stability and Wi-Fiimprovements

Update toAndroid Marketwith automatic updates and easier-to-read Terms and Condition text

Update toGoogle Books ImprovedAdobe Flashsupport in browser ImprovedChinesehandwriting prediction

3.2.230 August2011

Bug fixes and other minor improvements for the MotorolaXoom 4G

3.2.3 Bug fixes and other minor improvements for the Motorola

Xoom and Motorola Xoom 4G

3.2.4December2011

"Pay as You Go" support for 3G and 4G tablets3.2.5

January

2012 Bug fixes and other minor improvements for the Motorola

Xoom and Motorola Xoom 4G

3.2.6February

2012 Fixed data connectivity issues when coming out of airplane

mode on the US 4G Motorola Xoom

Android 4.0.x Ice Cream Sandwich

The SDK for Android 4.0.1 (Ice Cream Sandwich), based on Linux kernel 3.0.1,[56]

was publiclyreleased on 19 October 2011.

[57]Google's Gabe Cohen stated that Android 4.0 was "theoretically

compatible" with any Android 2.3.x device in production at that time.[58]

Thesource codefor

Android 4.0 became available on 14 November 2011.[59]

The update introduced numerous newfeatures, including:

[60][61][62]

[hide]Android 4.0 Ice Cream Sandwich

Version Release Features Image(s)
http://en.wikipedia.org/wiki/Android_version_history#cite_note-51http://en.wikipedia.org/wiki/Android_version_history#cite_note-51http://en.wikipedia.org/wiki/Android_version_history#cite_note-51http://en.wikipedia.org/wiki/Free_Lossless_Audio_Codechttp://en.wikipedia.org/wiki/Free_Lossless_Audio_Codechttp://en.wikipedia.org/wiki/Free_Lossless_Audio_Codechttp://en.wikipedia.org/wiki/Android_version_history#cite_note-Android-Media-Formats-52http://en.wikipedia.org/wiki/Android_version_history#cite_note-Android-Media-Formats-52http://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-54http://en.wikipedia.org/wiki/Android_version_history#cite_note-54http://en.wikipedia.org/wiki/Android_version_history#cite_note-54http://en.wikipedia.org/wiki/Android_version_history#cite_note-55http://en.wikipedia.org/wiki/Android_version_history#cite_note-55http://en.wikipedia.org/wiki/Android_version_history#cite_note-55http://en.wikipedia.org/wiki/Android_Markethttp://en.wikipedia.org/wiki/Android_Markethttp://en.wikipedia.org/wiki/Android_Markethttp://en.wikipedia.org/wiki/Google_Bookshttp://en.wikipedia.org/wiki/Google_Bookshttp://en.wikipedia.org/wiki/Google_Bookshttp://en.wikipedia.org/wiki/Adobe_Flashhttp://en.wikipedia.org/wiki/Adobe_Flashhttp://en.wikipedia.org/wiki/Adobe_Flashhttp://en.wikipedia.org/wiki/Chinese_languagehttp://en.wikipedia.org/wiki/Chinese_languagehttp://en.wikipedia.org/wiki/Chinese_languagehttp://en.wikipedia.org/wiki/Android_version_history#cite_note-56http://en.wikipedia.org/wiki/Android_version_history#cite_note-56http://en.wikipedia.org/wiki/Android_version_history#cite_note-56http://en.wikipedia.org/wiki/Android_version_history#cite_note-57http://en.wikipedia.org/wiki/Android_version_history#cite_note-57http://en.wikipedia.org/wiki/Android_version_history#cite_note-57http://en.wikipedia.org/wiki/Android_version_history#cite_note-58http://en.wikipedia.org/wiki/Android_version_history#cite_note-58http://en.wikipedia.org/wiki/Android_version_history#cite_note-58http://en.wikipedia.org/wiki/Source_codehttp://en.wikipedia.org/wiki/Source_codehttp://en.wikipedia.org/wiki/Source_codehttp://en.wikipedia.org/wiki/Android_version_history#cite_note-59http://en.wikipedia.org/wiki/Android_version_history#cite_note-59http://en.wikipedia.org/wiki/Android_version_history#cite_note-59http://en.wikipedia.org/wiki/Android_version_history#cite_note-60http://en.wikipedia.org/wiki/Android_version_history#cite_note-60http://en.wikipedia.org/wiki/Android_version_history#cite_note-62http://en.wikipedia.org/wiki/Android_version_history#cite_note-62http://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-62http://en.wikipedia.org/wiki/Android_version_history#cite_note-60http://en.wikipedia.org/wiki/Android_version_history#cite_note-60http://en.wikipedia.org/wiki/Android_version_history#cite_note-59http://en.wikipedia.org/wiki/Source_codehttp://en.wikipedia.org/wiki/Android_version_history#cite_note-58http://en.wikipedia.org/wiki/Android_version_history#cite_note-57http://en.wikipedia.org/wiki/Android_version_history#cite_note-56http://en.wikipedia.org/wiki/Chinese_languagehttp://en.wikipedia.org/wiki/Adobe_Flashhttp://en.wikipedia.org/wiki/Google_Bookshttp://en.wikipedia.org/wiki/Android_Markethttp://en.wikipedia.org/wiki/Android_version_history#cite_note-55http://en.wikipedia.org/wiki/Android_version_history#cite_note-54http://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-Android-Media-Formats-52http://en.wikipedia.org/wiki/Android_version_history#cite_note-Android-Media-Formats-52http://en.wikipedia.org/wiki/Free_Lossless_Audio_Codechttp://en.wikipedia.org/wiki/Android_version_history#cite_note-51


10/13


11/13

devices

Android VPN Framework (AVF), and TUN(but not TAP) kernel module. Prior to 4.0,

VPN software required rooted Android.

4.0.1

21

October2011

Fixed minor bugs for the Samsung GalaxyNexus.

4.0.2

28

November2011

Fixed minor bugs on the Verizon GalaxyNexus, the US launch of which was laterdelayed until December 2011

(For Canadian consumers, 4.0.2 reportedly created abug on the Galaxy Nexus that crashed the applicationmarket when users attempted to view details of anyAndroid application. It also inadvertently reduced the

NFCcapabilities of the Nexus phone).[65][66]

[hide]Android 4.0.3 Ice Cream Sandwich

VersionRelease


4.0.3 16December

2011[67]

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 andQVGA

resolution Accessibility refinements such as improved content access for

screen readers[68]

4.0.429 March

2012[69]

Stability improvements Better camera performance Smoother screen rotation Improved phone number recognition[70]

Android 4.1/4.2 Jelly Bean

Google announced Android 4.1 (Jelly Bean) at theGoogle I/Oconference on 27 June 2012.Based on Linux kernel 3.0.31, 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,extendedvsynctiming and a fixed frame rate of 60fpsto create a fluid and "buttery-smooth" UI.[71]

Android 4.1 Jelly Bean was released to theAndroid Open Source Projecton 9 July 2012,

[72]and

theNexus 7tablet, the first device to run Jelly Bean, was released on 13 July 2012.[73]

Google was expected to announce Jelly Bean 4.2 at an event inNew York Cityon 29 October

2012, but the event was cancelled due toHurricane Sandy.[74]

Instead of rescheduling the live

event, Google announced the new version with a press release, under the slogan "A new flavor of
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12/13

Jelly Bean". The first devices to run Android 4.2 wereLG'sNexus 4andSamsung'sNexus 10,

which were released on 13 November 2012.[3][75]

[hide]Android 4.1 Jelly Bean

VersionRelease


4.1 9 July2012

Smoother user interface:o Vsync timing across all drawing and

animation done by the Androidframework, including application

rendering, touch events, screencomposition and display refresh

o Triple buffering in the graphics pipeline Enhancedaccessibility 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 onhome screens

Bluetooth data transfer for Android Beam Offline voice dictation Tablets with smaller screens now use an

expanded version of the interface layout andhome screen used by phones.[76]

Improved voice search Improved camera app Google Wallet (for theNexus 7) High-resolutionGoogle+contact photos

[77]

Google Nowsearch application Multichannel audio[78] USB audio (for external soundDACs)[78] Audio chaining (also known asgapless

playback)[78][79][80]

Stock Android browser is replaced with the

Android mobile version ofGoogle Chromeindevices with Android 4.1 preinstalled[81]

Ability for other launchers to add widgets fromthe app drawer without requiring root access

Android 4.1 on the AsusNexus 7tablet.

4.1.1 23 July

2012

Fixed a bug on the Nexus 7 regarding theinability to change screen orientation in anyapplication

4.1.29October

2012[82]

Lock/home screen rotation support for theNexus 7[83]

One-finger gestures to expand/collapsenotifications[84]

Bug fixes and performance enhancements[hide]Android 4.2 Jelly Bean
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id_version_history#cite_note-android41-differentlayouts-76http://en.wikipedia.org/wiki/Accessibilityhttp://en.wikipedia.org/wiki/Android_version_historyhttp://en.wikipedia.org/wiki/Android_version_history#cite_note-New4.2And-3http://en.wikipedia.org/wiki/Android_version_history#cite_note-New4.2And-3http://en.wikipedia.org/wiki/Nexus_10http://en.wikipedia.org/wiki/Samsunghttp://en.wikipedia.org/wiki/Nexus_4http://en.wikipedia.org/wiki/LG


13/13

VersionRelease


4.2 13

November2012[85]

Photo Sphere panorama photos Keyboard with gesture typing Lock screen improvements, including widget

support and the ability to swipe directly tocamera[86]

Notification power controls "Daydream" screensaver, showing

information when idle or docked

Multiple user accounts (tablets only) Support for wireless display (Miracast) Accessibility improvements: triple-tap to

magnify the entire screen, pan and zoom withtwo fingers. Speech output and Gesture Mode

navigation for blind users

New clock app with built-in world clock, stopwatch and timer

All devices now use the same interfacelayout, adapted from phones on 4.1 for

smaller tablets (with centered softwarebuttons, the system bar at the top of thescreen, and a similar home screen), regardless

of screen size Increased number of extended notifications

and Actionable Notifications for more apps,allowing the response to certain notifications

within the notification bar and withoutlaunching the app directly

SELinux Always-onVPN PremiumSMSconfirmation[87][88][89] Phone-like launcher for small tablets in

Android 4.1 extended to larger tablets, asseen with theNexus 10

[90]

Android 4.2 on the LGNexus4.

4.2.1

27

November2012[91]

Fixed a bug in the People app whereDecember was not displayed on the date

selector when adding an event to a contact[92]

Added Bluetooth gamepads and joysticks assupported HID devices
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