Android4.1（Jelly Bean）API新特性尝鲜

原文：http://android.eoe.cn/topic/android_sdk

Android 4.1 APIs (API Level: 16)
http://developer.android.com/intl/zh-CN/about/versions/android-4.1.html

Android 4.1 (Jelly Bean) is a progression of the platform that offers improved performance and enhanced user experience. It adds new features for users and app developers. This document provides an introduction to the most notable and useful new APIs for app developers.

As an app developer, Android 4.1 is available to you with an SDK platform you can use to build your app against Android 4.1 and with a system image you can run in the Android emulator. You should download download the platform and system image as soon as possible to build and test your app on Android 4.1. To get started developing and testing against Android 4.1, use the Android SDK Manager to download the platform into your SDK.

* api变化* *
App Components
* Isolated services
* Memory management
* Content providers
* Live Wallpapers
* App stack navigation
Multimedia
* Media codecs
* Record audio on cue
* Timed text tracks
* Audio effects
* Gapless playback
Camera
* Auto focus movement
* Camera sounds
Connectivity
* Android Beam
* Network service discovery
* Wi-Fi Direct service discovery
* Network usage
Accessibility
* Accessibility service APIs
* Customizable app navigation
* More accessible widgets
Copy and Paste
* Copy and paste with intents
Renderscript
Animation
* Activity launch animations
* Time animator
User Interface
* Notifications
* Controls for system UI
* Remote views
* Font families
Input Framework
* Multiple input devices
* Vibrate for input controllers
Permissions
Device Features

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