Android 4.1, Jelly Bean
Android 4.1, Jelly Bean, is the fastest and smoothest version of Android yet. Jelly Bean
improves on the simplicity and beauty of Android 4.0, and introduces a new Google search
experience on Android.
- Everything in Jelly Bean feels fast, fluid, and smooth. Moving between home screens and switching between apps is effortless, like turning pages in a book.
- Jelly Bean features improved performance throughout the system, including faster orientation changes, faster responses when 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 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 Jelly Bean
Accessibility
Android Beam
- With Android Beam, you can now easily share your photos and videos.
- Instantly pair your phone or tablet to Bluetooth® devices like headsets or speakers that support the Simple Secure Pairing standard by just tapping them together.
Audio Accessories
- Support for USB audio docks, shipping later this year.
Browser and WebView
Calendar
Camera and Gallery
Data Usage
- You can now dismiss a data usage warning without changing the data threshold set for warning notifications.
- Disable background data usage on certain Wi-Fi SSIDs by designating them as mobile hotspots.
- 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 the SSID.
Face Unlock
- Face Unlock is now faster and more accurate, and startup is smoother with a new animation.
- You can improve face matching accuracy by calibrating your face 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.
Internationalization
- 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 platform.
- You can now enter text in one of 18 new input languages, including Persian, Hindi and Thai. Additional Indic languages Kannada, Telugu, and Malayalam are now supported by the platform.
- Emoji from Unicode 6.0 will now render when received or viewed.
- If the system language is set to Japanese, Japanese specific versions of glyphs will now be properly rendered.
Keyboard
- The platform's dictionaries are now more accurate and more relevant.
- 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 keyboard.
- 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.
Messaging and Talk
Notifications
- You can now take action on notifications directly from the redesigned 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.
- You can lock automatic display rotation from the notifications shade on 7" tablets.
- 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, as well as uninstall the application.
Networking
- Wi-Fi protected setup is now supported with WPS push button and PIN support.
- A new setting lets you stay on mobile data and avoid nearby Wi-Fi networks with poor connections.
News and Weather
People
Phone
Settings
System
Text-to-speech
- 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.
Voice Typing
- A new embedded speech recognizer lets you use Voice Typing even when you don't have an Internet connection.
Widgets
The new Google experience on Android
Google Search
- 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.
- 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 answer.
- Voice Search recognition is now significantly faster so you can search quickly on the fly.
- Voice Search can now recognize queries even when you have a poor network connection.
Google Now
Google Now brings you just the right information at just the right time. Cards appear throughout the day at the moment you need them, and appear as a notification when they're important. Learn more.- 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.
- 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.
- Flight card: See flight delays and traffic conditions to the airport for flights you've recently searched for.
- Sports card: You can see live scores and upcoming games and also buy game tickets on the fly.
- Currency card: When you're traveling, quickly check the local conversion rate.
- Translation card: When you're in a foreign country, you can quickly translate words into the local language.
Google Apps
Google+
Gmail
YouTube
Chrome
Maps
Currents
Google Play
- 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 on time, bandwidth, and battery when updating apps.
- Jelly Bean introduces app encryption for paid apps.
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