Android 4.1 Jelly Bean (API 16) was launched on June 27,2012. It is based on Linux kernel 3.0.31, It was an incremental update with the essential point of enhancing the usefulness and execution of the UI.
The execution change included “Project Butter”, which utilizes contact expectation, triple buffering, broadened vsync timing and a settled casing rate of 60 fps to make a liquid and “buttery smooth” UI. Android 4.1 Jelly Bean was released to the Android Open Source Project on July 9, 2012, and the Nexus 7 tablet, the main gadget to run Jelly Bean, was released on July 13, 2012.
Android 4.1 is improved to convey Android’s best execution and least touch inactivity, in an easy, natural UI. To guarantee a steady framerate, Android 4.1 broadens vsync timing over all illustration and movement done by the Android system. Everything keeps running in lockstep against a 16 millisecond vsync pulse — application rendering, contact occasions, screen creation, and show invigorate — so outlines don’t excel or behind.
it also includes triple buffering in the designs pipeline, for more steady rendering that makes everything feel smoother, from looking to paging and activity. Android 4.1 diminishes contact inertness by synchronizing contact to vsync timing, as well as by really foreseeing where your finger will be at the season of the screen invigorate. This outcomes in a more receptive and uniform touch reaction. What’s more, after times of dormancy, Android applies a CPU input support at the following touch occasion, to ensure there’s no inertness.
Android 4.1 causes you to achieve more users through help for bi-directional content in TextView and EditText components. Applications can show content or handle word processing in left-to-right or appropriate to-left contents. Applications can make utilization of new Arabic and Hebrew regions and related text styles.
Different kinds of new language bolster include:
- Extra India language: Kannada, Telugu, and Malayalam
- The new Emoji characters from Unicode form 6.0
- Notices have for some time been a special and well known element on Android. Designers can utilize them to put critical or time-based data before clients in the warning bar, outside of the application’s ordinary UI.
Android 4.1 conveys a noteworthy update to the Android warnings system. Applications would now be able to show bigger, more extravagant warnings to clients that can be extended and fell with a squeeze or swipe. Notices bolster new sorts of substance, including photographs, have configurable need, and can even incorporate numerous activities.
Through an enhanced warning developer, applications can make notices that utilization a bigger zone, up to 256 dp in height. The greatest element expansion to Jelly Bean for Android, as well as for Google all in all, was the new form of the Google Search application. This presented “Google Now,” a prescient inquiry include. Google Now was shown as a few cards that sit beneath the pursuit box, and it would offer outcomes to seeks Google considers. These were things like Google Maps scans for places you’ve as of late taken a gander at on your personal computer or timetable arrangement areas, the climate, and time at home while voyaging.
Another version, another YouTube overhaul. This time the list see was principally thumbnail-based, with monster pictures taking up the majority of the screen land. Data density failed with the new list plan. Before YouTube would show around six things for each screen, now it could just show three.
While this update may sound exhausting, Google Play Services would in the long run develop to end up a necessary piece of Android. Google Play Services goes about as a shim between the ordinary applications and the introduced Android OS, enabling Google to update or supplant some center parts and add APIs without shipping out another Android adaptation.
With Play Services, Google had an immediate line deeply of an Android phone without going through OEM updates and bearer endorsement forms. Google utilized Play Services to include an altogether new area framework, a malware scanner, remote wipe capacities, and new Google Maps APIs, all without transportation an OS refresh. The finish of the Gingerbread area, on account of all the “compact” APIs actualized in Play Services, Gingerbread can in any case download a cutting edge form of the Play Store and numerous other Google Apps
Android 4.1 Jelly Bean includes following features:
- Smoother UI
- Vsync timing over all illustration and liveliness done by the Android system, including application rendering, contact occasions, screen organization and show revive
- Triple buffering in the illustrations pipeline
- CPU input help
- Synchronizing contact to vsync timing
- Upgraded openness
- Bi-directional content and other dialect bolster
- Client installable console maps
- Expandable notices
- Capacity to kill notices on an application-particular premise
- Alternate routes and gadgets can consequently be re-masterminded or re-sized to enable new things to fit on home screens
- Bluetooth information exchange for Android Beam
- Tablets with tinier screens right now use a broadened adjustment of the interface format and home screen used by phones.
- Enhanced camera application
- Multichannel audio
- The Fraunhofer FDK AAC codec ends up standard in Android, including AAC 5.1 channel encoding/interpreting
- USB sound (for outside sound DACs)
- Sound binding (otherwise called gapless playback)
- Capacity for different launchers to include gadgets from the application cabinet without requiring root get to
- Settled a bug on the Nexus 7 with respect to the powerlessness to change screen introduction in any application
- Bolt/home screen turn support
- One-finger signals to extend/crumple notifications
- Bugfixes and execution improvements