Tuesday, May 24, 2016

Introducing Android 4.1 (Jelly Bn) preview platform, and more



[This post is by Angana Ghosh, Product Manager on the Android tm]







At Google I/O today we announced the latest version of the Android platform, Android 4.1 (Jelly Bn). With Jelly Bn, we’ve made the grt things about Android even better with improved system performance and enhanced user ftures.



Improvements include a smoother and more responsive UI across the system, a home screen that automatically adapts to fit your content, a powerful predictive board, richer and more interactive notifiions, larger payload sizes for Android Bm sharing and much more. For a lowdown on what’s new, hd over to the Jelly Bn platform highlights.



Of course, Jelly Bn wouldn’t be complete without a hlthy serving of new APIs for app developers. Here are some of the new APIs that Jelly Bn introduces:

Expandable notifiions: Android 4.1 brings a major update to the Android notifiions framework. Apps can now display larger, richer notifiions to users that can be expanded and collapsed with a pinch. Users can now take actions directly from the notifiion shade, and notifiions support new types of content, including photos.
Android Bm: In Android 4.1, Android Bm makes it sier to share s, s, or other payloads by leveraging Bluetooth for the data transfer.
Bi-directional text support: Android 4.1 helps you to rch more users through support for for bi-directional text in TextView and EditText elements.
Gesture mode: New APIs for accessibility services let you handle gestures and manage accessibility focus. Now you can traverse any element on the screen using gestures, accessories, you name it.
Media c access: Provides low-level access to platform hardware and software cs.
Wi-Fi Direct service discoverability: New API provides pre-associated service discovery letting apps get more information from nrby devices about the services they support, before they attempt to connect.
Network bandwidth management: New API provides ability to detect metered networks, including tethering to a mobile hotspot.
For a complete overview of new APIs in Jelly Bn, plse rd the API highlights document. Note that this is a preview of the Jelly Bn platform. While we’re still finalizing the API implementations we wanted to give developers a look at the new API to begin planning app updates. We’ll be relsing a final platform in a few weeks that you should use to build and publish appliions for Android 4.1.



For Android devices with the Google Play, we launched the following at Google I/O today:

Smart app updates: For Android 2.3, Gingerbrd devices and up, when there is a new version of an app in Google Play, only the parts of the app that changed are downloaded to users’ devices. On average, a smart app update is a third the size of a full apk update. This mns your users save bandwidth and battery and the best part? You don’t have to do a thing. This is automatically enabled for all apps downloaded from Google Play.
App encryption: From Jelly Bn and forward, paid apps in Google Play are encrypted with a device-specific before they are delivered and stored on the device. We know you work hard building your apps. We work hard to protect your investment.
Google Cloud Messaging for Android: This is the next version of C2DM and goes back to Froyo. Getting started is sy and has a whole bunch of new APIs than C2DM has to offer. If you sign-up for GCM, you will be able to see C2DM and GCM stats in the Android developer console. Most importantly, the service is free and there are no quotas. [Lrn more.]
Starting from today, over 20 Android sessions at Google I/O will deep-dive in many of these ars. Join us in-person or follow us live.

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