Editing Android OS (section)

==== Android 4.2 Jelly Bean ====
{{anchor|Android 4.2|4.2}}

Google was expected to announce Jelly Bean 4.2 at an event in [[New York City]] on October 29, 2012, but the event was cancelled due to [[Hurricane Sandy]].<ref>{{cite web |url=http://www.androidcentral.com/monday-s-google-event-nyc-cancelled-due-hurricane-sandy |title=Monday's Google event in NYC canceled due to Hurricane Sandy |publisher=Android Central |date=October 27, 2012 |access-date=February 19, 2014 |archive-date=September 26, 2013 |archive-url=https://web.archive.org/web/20130926100214/http://www.androidcentral.com/monday-s-google-event-nyc-cancelled-due-hurricane-sandy |url-status=live }}</ref> Instead of rescheduling the live event, Google announced the new version with a press release, under the slogan "A new flavor of Jelly Bean". Jelly Bean 4.2 was based on Linux kernel 3.4.0, and debuted on Google's [[Nexus 4]] and [[Nexus 10]], which were released on November 13, 2012.<ref name="New4.2And">{{cite web |url=http://www.knowyourmobile.com/blog/1678521/android_42_jelly_bean_lands_on_nexus_7.html |title=Android 4.2 Jelly Bean lands on Nexus 7 |publisher=Know Your Mobile |date=November 14, 2012 |access-date=November 14, 2012 |archive-url=https://web.archive.org/web/20121117002507/http://www.knowyourmobile.com/blog/1678521/android_42_jelly_bean_lands_on_nexus_7.html |archive-date=November 17, 2012 |url-status=dead}}</ref><ref>{{cite news |url=https://uk.ign.com/articles/2012/11/14/google-releases-nexus-4-nexus-10-and-android-42 |title=Google Releases Nexus 4, Nexus 10 and Android 4.2 |publisher=IGN |date=November 13, 2012 |access-date=November 16, 2012 |archive-date=January 14, 2024 |archive-url=https://web.archive.org/web/20240114141827/https://www.ign.com/articles/2012/11/14/google-releases-nexus-4-nexus-10-and-android-42 |url-status=live }}</ref>

{| class="wikitable" style="width:100%;"
|+ Android 4.2 Jelly Bean (API 17)
|-
! style="width:2%;" | Version
! style="width:11%;" | Release date
! style="width:87%;" | Features
|-
| 4.2
| November 13, 2012<ref name="Jelly Bean 4.2">[https://www.theverge.com/2012/10/29/3569244/android-4-2-new-features-miracast-gesture-keyboard-multiple-users-photo-sphere "Android 4.2 adds gestue typing, wireless TV display, multiple user support on tablets, and more"] {{Webarchive|url=https://web.archive.org/web/20240114141804/https://www.theverge.com/2012/10/29/3569244/android-4-2-new-features-miracast-gesture-keyboard-multiple-users-photo-sphere |date=January 14, 2024 }}. ''[[The Verge (website)|The Verge]]''. October 29, 2012. Retrieved October 29, 2012.</ref>
|
* [[Lock screen]] improvements, including widget support (removed again in 2014)<ref name="CWnostalgia"/> and the ability to swipe directly to the camera.<ref>[http://www.techradar.com/news/phone-and-communications/mobile-phones/android-4-2-jelly-bean-brings-all-new-photography-powers-1108294 "Android 4.2 Jelly Bean brings all-new photography powers"] {{Webarchive|url=https://web.archive.org/web/20121030113843/http://www.techradar.com/news/phone-and-communications/mobile-phones/android-4-2-jelly-bean-brings-all-new-photography-powers-1108294 |date=October 30, 2012 }}. TechRadar.com. October 29, 2012. Retrieved November 12, 2012.</ref>
* Notification power controls ("Quick Settings").
* "Daydream" [[screensaver]]s, showing information when idle or docked (later renamed to "screen saver" following the launch of the unrelated [[Google Daydream]] VR platform in 2016).<ref name="CWnostalgia"/>
* Multiple user accounts (tablets only).
* Rewritten [[Bluetooth stack]], switching from [[Bluez]] to [[Broadcom]] open source [[BlueDroid]],<ref name="anand1">{{cite web |url=http://www.anandtech.com/show/6965/the-next-version-of-android-some-of-whats-coming |title=The Next Version of Android – Some of What's Coming |website=anandtech.com |first=Brian |last=Klug |date=May 19, 2013 |access-date=October 28, 2014 |archive-date=October 6, 2014 |archive-url=https://web.archive.org/web/20141006122815/http://www.anandtech.com/show/6965/the-next-version-of-android-some-of-whats-coming |url-status=live }}</ref> allowing improved support for multiple displays and wireless display ([[Miracast]]).
* Native [[right-to-left]], always-on [[Virtual Private Network|VPN]] and application verification.<ref name="aosp-jb1">{{cite web |title=Jelly Bean |url=http://developer.android.com/about/versions/jelly-bean.html |website=Android developer portal |access-date=July 2, 2014 |archive-date=January 28, 2013 |archive-url=https://web.archive.org/web/20130128204124/http://developer.android.com/about/versions/jelly-bean.html |url-status=live }}</ref> A new [[Near field communication|NFC]] stack was added at the same time.<ref name="anand1" />
* Accessibility improvements: triple-tap to magnify the entire screen, pan and zoom with two fingers. Speech output and Gesture Mode navigation for blind users.
* New clock application with a built-in world clock, stop watch and timer.
* All devices now use the same interface layout, previously adapted from phones on 4.1 for smaller tablets (with centered software buttons, the system bar at the top of the screen, and a home screen with a dock and centered application menu), regardless of screen size.
* Increased number of extended notifications and Actionable Notifications for more applications, allowing users to respond to certain notifications within the notification bar and without launching the application directly.
* [[SELinux]] support.
* Premium [[SMS]] confirmation.<ref name="Android Police 4.2 Alpha Teardown">[http://www.androidpolice.com/2012/10/17/exclusive-android-4-2-alpha-teardown-part-2-selinux-vpn-lockdown-and-premium-sms-confirmation/ "Exclusive Android 4.2 Alpha Teardown, Part 2: SELinux, VPN Lockdown, And Premium SMS Confirmation"] {{Webarchive|url=https://web.archive.org/web/20121021032403/http://www.androidpolice.com/2012/10/17/exclusive-android-4-2-alpha-teardown-part-2-selinux-vpn-lockdown-and-premium-sms-confirmation/ |date=October 21, 2012 }}. Android Police. October 17, 2012. Retrieved November 12, 2012.</ref>
* Group Messaging support.
* Developer options hidden in settings and can be displayed after tapping the Build number 7 times on About phone.
|-
| 4.2.1
| November 27, 2012<ref>{{Cite web |url=https://android.googlesource.com/platform/system/core/+/refs/tags/android-4.2.1_r1 |title=refs/tags/android-4.2.1_r1 – platform/system/core – Git at Google |website=android.googlesource.com |access-date=May 19, 2021 |archive-date=January 14, 2024 |archive-url=https://web.archive.org/web/20240114141830/https://android.googlesource.com/platform/system/core/+/refs/tags/android-4.2.1_r1 |url-status=live }}</ref><ref name="Jelly Bean 4.2.1">[http://www.androidpolice.com/2012/11/27/changelog-whats-new-in-android-4-2-1-jop40d/ "(Changelog) What's New In Android 4.2.1 (JOP40D)"] {{Webarchive|url=https://web.archive.org/web/20121130085348/http://www.androidpolice.com/2012/11/27/changelog-whats-new-in-android-4-2-1-jop40d/ |date=November 30, 2012 }}. Android Police. November 27, 2012. Retrieved November 27, 2012.</ref>
|
* Fixed a bug in the People application where December was not displayed on the date selector when adding an event to a contact.<ref name="December bug">[http://www.androidpolice.com/2012/11/17/sorry-santa-google-cancels-december-in-android-4-2/ "Sorry, Santa – Google Cancels December In Android 4.2"] {{Webarchive|url=https://web.archive.org/web/20121121185515/http://www.androidpolice.com/2012/11/17/sorry-santa-google-cancels-december-in-android-4-2/ |date=November 21, 2012 }}. Android Police. November 17, 2012. Retrieved November 27, 2012.</ref>
* Added Bluetooth gamepads and joysticks as supported [[Human interface device|HIDs]] (Human interface devices).
|-
| 4.2.2
| February 11, 2013<ref name="Jelly Bean 4.2.2">[http://www.androidpolice.com/2013/02/11/breaking-android-4-2-2-build-jdq39-update-rolling-out-to-gsm-galaxy-nexus-nexus-7-nexus-10/ "Breaking: Android 4.2.2 (Build JDQ39) Update Rolling Out To GSM Galaxy Nexus, Nexus 7, Nexus 10"] {{Webarchive|url=https://web.archive.org/web/20130215033526/http://www.androidpolice.com/2013/02/11/breaking-android-4-2-2-build-jdq39-update-rolling-out-to-gsm-galaxy-nexus-nexus-7-nexus-10/ |date=February 15, 2013 }}. Android Police. February 11, 2013. Retrieved February 12, 2013.</ref>
|
* Fixed Bluetooth audio streaming bugs.<ref>{{cite news |url=https://arstechnica.com/gadgets/2013/02/android-4-2-2-brings-bluetooth-audio-fixes-to-nexus-phones-and-tablets/ |title=Android 4.2.2 brings Bluetooth audio fixes to Nexus phones and tablets |publisher=Ars Technica |date=February 12, 2013 |access-date=February 12, 2013 |archive-date=February 12, 2013 |archive-url=https://web.archive.org/web/20130212200213/http://arstechnica.com/gadgets/2013/02/android-4-2-2-brings-bluetooth-audio-fixes-to-nexus-phones-and-tablets/ |url-status=live }}</ref>
* Long-pressing the Wi-Fi and Bluetooth icons in Quick Settings now toggles the on/off state.
* New download notifications, which now show the percentage and estimated time remaining for active application downloads.
* New sounds for wireless charging and low battery.
* New Gallery application animation allows faster loading.
* USB debug whitelist.
* Bug fixes and performance enhancements.
|}