Android 4.4 and Updated Developer Tools

Today we are announcing Android 4.4 KitKat and the new Nexus 5, available today on Google Play. We’ll also be rolling out Android 4.4 to all Nexus 4, Nexus 7, and Nexus 10, as well as the Samsung Galaxy S4 and HTC One Google Play Edition devices over the next few weeks.

With KitKat, we’ve optimized Android to run on a much broader range of devices, with special focus on the millions of entry-level devices that have as little as 512MB RAM. To help, we’ve created new APIs, better tools, and better documentation to let you create apps that perform well on all devices. 

Here’s a quick look at some of what’s new for developers: 
* A new full-screen immersive mode lets your app or game use every pixel on the screen.
* The transitions framework makes it easier to animate the states in your UI.
* Web content can take advantage of a completely new implementation of WebView built on Chromium.
* New NFC capabilities through Host Card Emulation.
* A printing framework lets you add the convenience of printing to your apps. 
* A storage access framework to support the use of documents, photos, and other data across local and cloud-based storage services.
* Low-power sensors including a step detector and step counter.
* A new high-quality screen recorder that lets you capture of your app directly from your Android device.
* RenderScript available in the NDK.
* Improved accessibility support with new system-wide captioning settings.

Check out the Android 4.4 platform highlights for a complete overview, and take a look at the API Overview or watch one of the DevBytes videos for details on the APIs and how to use them.

You can get started developing and testing on Android 4.4 right away, in Android Studio or in ADT/Ant. You can download the Android 4.4 Platform (API level 19), as well as the SDK Tools, Platform Tools, and Support Package from the Android SDK Manager.

http://developer.android.com/about/versions/kitkat.html

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