Inside Android 4.1 Jelly Bean

With the introduction of Android 4.1(Jelly Bean) in the Nexus 7 and Nexus Q, I have been wondering: What's new in Jelly Bean? The following have be either introduced or modified Project Butter
Project butter is a new framework that makes Jelly Bean faster and less battery consuming. How? With the frame, CPU and graphics chips working hand -in-hand to make transitions faster. The frame also makes the CPU slow down when your android device is not in use then becomes faster when you start using your android device.



Home screen and widgets
In previous versions, the amount of apps and widgets were limited but not in the Jelly Bean! When you install new apps, the home sreen apps rearrange themselves to accomodate more apps.
Support for the blind
The jelly Bean combines its speech recognition with its braile extension ability to make it usable by the blind!
Screen shot of the Android Jelly Bean

The Google Now feature 

Arguably the coolest feature in Android 4.1 is a feature called "Google Now", that always keeps you up to date on what's important in your life. Say you have an event coming up in your calendar. It will figure out your usual travel method, calculate the time it will take you to get to your event using that travel method, and notify you when you need to leave (with a quick shortcut to navigate you there). If you're using public transit, it'll even factor in the time it'll take to get you to the bus stop.

It can also show you places of interest as you walk down the street, like restaurants and bars, and even tell you what the famous menu items are at those places. It'll keep you updated on the status of upcoming flights, sports scores, currency conversions if it recognizes you traveling internationally, and a lot more. It gets smarter the more you use it, too, which is awesome.
Google has also added its intelligent Knowledge Graph searching to mobile search, in a very cool way. If you search for a person, place, or thing that Google understands, it'll show you a card with information pertaining to that specific thing. If you search for the weather, it'll show you a screen with lots of weather information rather than just giving you a list of search results. Of course, you can swipe down to bypass the card and get your regular search results if you so choose.

If you perform the search with your voice, then it will speak the resulting Knowledge Graph answer back to you as it shows you the card. The voice recognition has been sped up and is now better at understanding natural language. The voice lady's voice is also lovely and surprisingly non-robotic.

Notifications Are Expandable and More Detailed

 

Notifications in Jelly Bean are now expandable, so you can get more information about a specific notification and even take action right from the notification drawer. For example, if you have a missed call, you'll see a contact image, their number, and a button to call them back. You can also see the body of a Gmail message and reply to it, upcoming calendar events with a button to email all other attendants, and you can even like or reply to comments on social networks like FourSquare (and, presumably, Facebook and Twitter). If someone shares a photo on Google+, you'll see a full res version of the photo, and you can +1 or share it with one tap.

By default, the drawer expands the top notification in the list, and as you swipe the top notification away, the next one in the list will flat up and automatically expand. If you want to expand other notifications in the drawer, you can do so with a two-finger swipe.
Did I leave out anything or have any questions? Feel free to share your mind in the comment box.
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