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Android 4.2, Jelly Bean
Android 4.2, Jelly Bean improves on the speed and simplicity of Android 4.1 and includes
all new features – Photo Sphere and a completely redesigned camera app, new Gesture Typing
keyboard, Google Now with all new cards, and much more.
- Everything in Jelly Bean feels fast, fluid, and smooth. Moving between home screens and
switching between apps is effortless, like turning the pages of a book.
- Jelly Bean improves performance throughout the system, including faster orientation
changes, quicker switching between recent apps, and smoother and more consistent rendering
across the system through vsync and triple buffering.
- Jelly Bean has more reactive and uniform touch responses, and makes your Android device
even more responsive by boosting your device’s CPU instantly when you touch the screen, and
turns it down when you don’t need it to improve battery life.
What's new in Android 4.2, Jelly Bean
- With Android Beam, introduced in Android 4.1, you can easily share your photos and
videos via NFC.
- Instantly pair your Android phone or tablet to Bluetooth® devices like headsets or
speakers that support the Simple Secure Pairing standard by just tapping them together.
- Support for USB audio docks.
Browser and WebView
New The clock has been totally redesigned with an all new
look which includes both a digital and analog clock style.
New You can use the new stopwatch to track time, count laps
and splits, and share your times.
New You can use the new timer to keep track of predetermined
periods of time, run multiple timers at once, and even label your timers.
New The world clock lets you check the time in different
cities right from the Clock app or your lock screen.
New New clock widgets let you choose from an analog or
digital clock widget. You can also resize the digital clock widget to display the
time in other cities around the world.
- You can now dismiss a data usage warning without changing the data warning
- To disable background data usage when your device is using a particular mobile
hotspot, you can designate that SSID as being mobile.
- Android now automatically detects when one Jelly Bean device is tethered to
another’s Wi-Fi hotspot, and intelligently enables or disables background data usage on
- Face Unlock is now even faster and more accurate, with smoother startup and
- You can improve face matching accuracy by calibrating in different conditions and
with different accessories (e.g. hat, glasses).
- Face Unlock can now optionally require a blink to verify that a live person is
unlocking the device rather than a photo.
New Platform level support for new wireless display settings
implemented on Nexus 4, including the ability to discover and connect to Miracast™
compatible devices via Wi-Fi Direct.
New Full HDMI mirroring with notifications and multi-display
New Android 4.2 brings improved font positioning, glyph cache
performance, and more accurate placement of accents in Indic, Hebrew, Arabic, Thai and
Latin font kerning.
New New fonts have been added including Roboto Thin and Nanum
Gothic for improved Korean font quality.
- Jelly Bean adds support for bidirectional text and more input languages to make the
platform accessible to more people around the world.
- There is improved support for Arabic and Hebrew, including a new Arabic font, in the
- You can now enter text in 18 new input languages including Persian, Hindi and Thai.
Additional Indic languages Kannada, Telugu, and Malayalam are now supported by the
- Emoji from Unicode 6.0 are now supported.
- If the system language is set to Japanese, Japanese specific versions of glyphs are
now properly rendered.
New Android 4.2 introduces an all new Gesture Keyboard that
lets you glide over letters to type a word while it dynamically predicts what you
want to type.
New French, English and Russian dictionaries are even more
accurate and relevant, while new dictionaries have been added in Danish, Greek,
Finnish, Lithuanian, Latvian, Polish, Slovenian, Serbian, Swedish and Turkish.
- The language model in Jelly Bean adapts over time and the keyboard features bigram
prediction and correction.
- You can now switch languages quickly with the dedicated language selector key on
- You can use custom keyboard input styles for more than 20 languages, with keymaps
for QWERTY, QWERTZ, AZERTY, Dvorak, Colemak, and PC styles.
- You can choose the input styles that you want to use for each keyboard, and use a
hotkey to switch between them while typing.
New Android 4.2 lets you place widgets on your device's lock
screen to give you faster access to your calendar, Gmail, SMS messages, and even
third party app widgets.
New Quickly launch Google Now by swiping up from the bottom
edge of your secure lock screen.
New Easily access camera straight from your phone’s lock
- You can now take action on notifications directly from the notifications shade.
- Notifications from the same application are grouped together, and the first item is
automatically expanded. You can also pinch notifications to expand or collapse them.
- You now get an image preview in notifications after taking a screenshot. You can
quickly share the screenshot directly from the notification.
- On 7” tablets you can lock automatic display rotation from the notifications shade.
- For Wi-Fi only devices, quickly see the SSID of the access point you're connected to
from the notifications shade.
- You can now touch-hold a notification to identify the application that created it and
turn off notifications from that application if needed, or uninstall the application.
New Wi-Fi Direct support has been improved, so your device
can now remember other devices.
New Faster captive portal detection on Wi-Fi, cellular
connections, and pay-as-you-go SIMs.
- Wi-Fi protected setup is now supported with WPS push button & PIN support.
- A new setting lets you stay on mobile data and avoid nearby Wi-Fi networks with
- Jelly Bean introduces a new conversational text-to-speech voice in US English,
available as both a network engine and an embedded engine via the TTS API.
- A new embedded speech recognizer lets you use Voice Typing even when you don't have
an Internet connection.
The new Google experience on Android
New Voice Search lets you launch apps, add meetings to your
calendar or even find out when your next appointment is.
- With Jelly Bean, a redesigned experience uses the power of the Knowledge Graph to
show you search results in a richer way. It's easier to quickly get precise answers to
search queries and explore and browse search results.
- Get to Google Search faster: Google Search can be opened directly from the lock
screen by swiping up. For devices with software navigation keys, you can now swipe up
from the system bar to quickly access Google Search with Google Now. For devices with a
hardware search key, you can tap it to launch Google Search.
- If you're using a wired headset, long press the headset's button to activate Voice
Search. You can quickly perform a search query by voice and have the result read back to
- You can say "Google" to activate Voice Search from within Google Search.
- For many search queries performed through Voice Search, you can now hear a spoken
- Voice Search recognition is now significantly faster so you can search quickly on the
- Voice Search can now recognize queries even when you have a poor network connection.
Google Now brings you just the right information at just the right time, helping you
manage your day, stay connected and be a local anywhere. And the best part? All of this
happens automatically. Cards appear throughout the day at the moment you need them.
New Hotel card: Get one-touch navigation to
your hotel when you arrive in a new city.
New Restaurant reservation card: Be reminded
to leave for the restaurant based on live traffic information.
New Event card: Get reminders about events
you purchased a ticket for.
New Package card: See when your online orders
New Next appointment card: When you have an
appointment, Google Now checks traffic so you can know how long it'll take to get
there. You even get a notification for when you should leave.
New Movies card: See showtimes and ratings
for what's playing when you're near a theater. Also be notified when a movie you're
interested in arrives at theaters.
New Concerts card: See when your favorite
artists have concerts at nearby venues.
New Stocks card: Get real-time information
about stocks you track.
New Public alerts card: Receive emergency
messages such as storm warnings and earthquake alerts.
New Developing story & breaking news
card: See breaking news and other developing stories that match your
New Nearby attractions card: See what nearby
attractions are popular to visit.
New Nearby photo spots card: Learn of popular
photo spots nearby.
New Time at home card: When you're in a
different time zone, Google Now shows you the time at home so you never feel too far
Flight card: Get real-time flight status and traffic information to
Weather card: When you start your day, Google Now shows weather for
your current location and work.
Traffic card: Get traffic conditions and alternate routes before you
leave home or work.
Sports card: You can see live scores and upcoming games and also buy
game tickets on the fly.
Transit card: When you’re near a bus stop or a subway station, this
card shows you what buses or trains are next.
Places card: When you’re on the go, Google Now will suggest nearby
bars, restaurants, and places of interest.
Currency card: When you're traveling, quickly check the local
Translation card: When you're in a foreign country, you can quickly
translate words into the local language.
- A new set of recommendations widgets use a variety of signals — content that people
with similar tastes have purchased, stuff that's popular around where you live, content
people in your Google+ circles have +1'ed, and more — to recommend new content like apps,
games, music, and movies.
- A new My Library widget, which displays all of your recent movies, books, music, and
magazines and dynamically changes based on what you've been engaging with recently.
- Smart App Updates ensure that only the parts of an application that have changed will
be downloaded when you next update it, saving time, bandwidth, and battery.
- App encryption for paid apps.
Google Play Movies and TV Shows