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Jelly Bean 4 2 - Free downloads and reviews - CNET blogger.com
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Android jelly bean upgrade 4.2 free download
Welcome to Android 4. Android 4. This document provides a glimpse of what's new for developers. See the Android 4. Find out more about the new Jelly Bean features for users at www. For a graphics performance boost, the hardware-accelerated 2D renderer now optimizes the stream of drawing commandstransforming it into a more efficient GPU format by rearranging and merging draw operations.
For multithreaded processing, the renderer can also now use multithreading across multiple CPU cores to perform certain tasks. Shapes such as circles and rounded rectangles are now rendered at higher quality in a more efficient manner. Optimizations for text include increased performance when using multiple fonts or complex glyph sets CJKhigher rendering quality when scaling text, and faster rendering of drop shadows. Improved window buffer allocation results in a faster image buffer allocation for your apps, reducing the time taken to start rendering when you create a window.
For highest-performance graphics, Android 4. OpenGL ES 3. Support is already available on Nexus 7Nexus 4, and Nexus 10 devices.
Now you can design and build apps that interact with the latest generation of small, low-power devices and sensors that use Bluetooth Smart technology. With the new APIs, your apps can efficiently scan for devices and services of interest. You can connect to a GATT server hosted on the device and read or write characteristics, or register a listener to receive notifications whenever those characteristics change.
You can implement support for any GATT profile. You can read or write standard characteristics or add support for custom characteristics as needed. Your app can function as either client or server and can transmit and receive data in either mode.
Support for Bluetooth Smart Ready is already available on Nexus 7 and Nexus 4 devices and will be supported in a growing number of Android-compatible devices in the months ahead. In addition to exposing playback controls on the remote devices connected over Bluetooth, apps can now transmit metadata such as track name, composer, and other types of media metadata. A tablet owner can set up one or more restricted profiles in Settings and manage them independently.
Your app can offer restrictions to let owners manage your app content when it's running in a profile.
With restricted profiles, tablet owners can quickly set up separate environments for each user, with the ability to manage finer-grained restrictions in the apps that are available in those environments. Restricted profiles are ideal for friends and family, guest users, kiosks, point-of-sale devices, and more. Each restricted profile offers an isolated and secure space with its own local storage, home screens, widgets, and settings.
For developers, restricted profiles offer a new way to deliver more value and control to your users. You can implement app restrictions — content or capabilities controls that are supported by your app — and advertise them to tablet owners in the profile configuration settings. You can add app restrictions directly to the profile configuration settings using predefined boolean, select, android jelly bean upgrade 4.2 free download, and multi-select types.
If you want more flexibility, you can even launch your own UI from profile configuration settings to offer any type of restriction you want. When your app runs in a profile, it can check for any restrictions configured by the owner and enforce them appropriately. For example, a media app might offer a restriction to let the owner set a maturity level for the profile.
At run time, the app could check for the maturity setting and then manage content according to the preferred maturity level. If your app is not designed for use in restricted profiles, you can opt out altogether, so that your app can't be enabled in any restricted profile.
Google Play services offers advanced location APIs that you can use android jelly bean upgrade 4.2 free download your apps. Hardware geofencing optimizes for power efficiency by performing location computation in the device hardware, rather than in software. On devices that support hardware geofencing, Google Play services geofence APIs will be able to take advantage of this optimization to save battery while the device is moving.
Wi-Fi scan-only mode is a new platform optimization that lets users keep Wi-Fi scan on without connecting to a Wi-Fi network, to improve location accuracy while conserving battery.
Apps that depend on Wi-Fi for location services can now ask users to enable scan-only mode from Wi-Fi advanced settings. Wi-Fi scan-only mode is not dependent on device hardware and is available as part of the Android 4. New sensor types allow apps to better manage sensor readings.
Uncalibrated gyroscope and uncalibrated magnetometer sensors report raw measurements as well as estimated biases to apps. The new hardware capabilities are already available on Nexus 7 and Nexus 4 devices, and any device manufacturer or chipset vendor can build them into their devices. To meet the needs of the next generation of media services, Android 4, android jelly bean upgrade 4.2 free download. Through a combination of new APIs and enhancements to existing APIs, the media DRM framework provides an integrated set of services for managing licensing and provisioning, android jelly bean upgrade 4.2 free download, accessing low-level codecs, and decoding encrypted media data.
Apps using the media DRM framework manage the network communication with a license server and handle the streaming of encrypted data from a content library. VP8 encoding support includes settings for target bitrate, rate control, frame rate, token partitioning, error resilience, reconstruction android jelly bean upgrade 4.2 free download loop filters.
The platform API introduces VP8 encoder support in a range of formats, so you can take advantage of the best format for your content. VP8 encoding is available android jelly bean upgrade 4.2 free download software on all compatible devices running Android 4. For android jelly bean upgrade 4.2 free download performance, the platform also supports hardware-accelerated VP8 encoding on capable devices.
Starting in Android 4. For example, you can now direct a stream from an OpenGL ES surface to the encoder, rather than having to copy between buffers. Apps can use new media muxer APIs to combine elementary audio and video streams into a single output file. Since Android 4.
Notifications have long been a popular Android feature because they let users see information and updates from across the system, android jelly bean upgrade 4.2 free download, all in one place. Now in Android 4. You can access notifications through new APIs that let you register a notification listener service and with permission of the user, receive notifications as they are displayed in the status bar. Notifications are delivered to you in full, with all details on the originating app, the post time, the content view and style, and priority.
You can evaluate fields of interest in the notifications, process or add context from your app, and route them for display in any way you choose. The new API gives you callbacks when a notification is added, updated, and removed either because the user dismissed it or the originating app withdrew it. You'll be able to launch any intents attached to the notification or its actions, as well as dismiss it from the system, allowing your app to provide a complete user interface to notifications.
Users remain in control of which apps can receive notifications. At any time, they can look in Settings to see which apps have notification access and enable or disable access as needed. Notification access is disabled by default — apps can use a new Intent to take the user directly to the Settings to enable the listener service after installation, android jelly bean upgrade 4.2 free download.
You can now create transparent overlays on top of Views and ViewGroups to render a temporary View hierarchy or transient animation effects without disturbing the underlying layout hierarchy. Overlays are particularly useful when you want to create animations such as sliding a view outside of its container or dragging items on the screen without affecting the view hierarchy. A new layout mode lets you manage the positioning of Views inside ViewGroups according to their optical boundsrather than their clip bounds.
You can use the optical bounds layout mode to properly align widgets that use outer visual effects such as shadows and glows. Apps can now define the exit and entry animation types used on a window when the device is rotated.
You can set window properties to enable jump-cutcross-fadeor standard window rotation. The system uses the custom animation types when the window is fullscreen and is not covered by other windows. Apps can set new orientation modes for Activities to ensure that they are displayed in the proper orientation when the device is flipped. Additionally, apps can use a new mode to lock the screen to its current orientation.
This is useful for apps using the camera that want to disable rotation while shooting video. Your app can listen for the intent and send the message to the caller over your messaging system. The intent includes the recipient caller as well as the message itself. More parts of Android 4. More debugging information visible through the uiautomatorviewer tool. Pseudo-locales make it easier to test your app's localization.
To assist you with managing date formatting across locales, Android 4. To help you test your app more easily in other locales, Android 4. Pseudo-locales simulate the language, script, and display characteristics associated with a locale or language group. Currently, you can test with a pseudo-locale for Accented Englishwhich lets you see how your UI works with script accents and characters used in a variety of European languages.
The service receives the events and can process them as needed before they are passed to the system or other installed apps. Accessibility services can declare new capability attributes to describe what their services can do and what platform features they use. For example, they can declare the capability to filter key events, retrieve window content, enable explore-by-touch, or enable web accessibility features.
In some cases, services must declare a capability attribute before they can access related platform features. Building on android jelly bean upgrade 4.2 free download accessibility framework in Android 4. Through the UI automation framework you can perform basic operations, set rotation of the screen, generate input events, take screenshots, and much more. Apps can now configure the Wi-Fi credentials they need for connections to WPA2 enterprise access points.
Apps with permission to access and change Wi-Fi can configure authentication credentials for a variety of EAP and Phase 2 authentication methods. This protects the operating system against potential security vulnerabilities. The KeyChain API now provides a method that allows applications to confirm that system-wide keys are bound to a hardware root of trust for the device.
This provides a place to create or store private keys that cannot be exported off the device, even in the event of a root or kernel compromise, android jelly bean upgrade 4.2 free download.
Using the APIs, apps can create or store private keys that cannot be seen or used by other appsand can be added to the keystore without any user interaction.
The keystore provider provides the same security benefits that the KeyChain API provides for system-wide credentials, such as android jelly bean upgrade 4.2 free download credentials to a device. Private keys in the keystore cannot be exported off the device. This reduces root attack surface and likelihood of potential security vulnerabilities. Systrace uses a new command syntax and lets you collect more types of profiling data.
ANDROID JELLYBEAN TO LOLLIPOP UPGRADE -4.1 to 5.0.2-
, time: 4:34Android jelly bean upgrade 4.2 free download
Jul 25, · Android JDQ39 OTA software update is now rolling out for all the Nexus devices, Nexus 4, Nexus 7, Nexus 10 and Galaxy Nexus I We don’t have the changelog yet, but it is believed that this update will carry the promised Bluetooth bug that started with the Android Jelly Bean update. Download Android Jelly Bean stock firmware for RKa tablet - All the following Android firmware, Android stock rom contains original All Android usb driver flash tool and flash files after downloading the firmware follow the instruction manual to flash the firmware on your blogger.com the following All Android stock rom contains. An even sweeter Jelly Bean. Jelly Bean Explore Restricted profiles for tablets. You can now limit access to apps and content at home and work. For parents, this means you can create parental controls and for retailers, you can turn their tablet into a kiosk. Setup wizard simplification - getting started on Android is easier.
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