首先进入http://developer.android.com/sdk/index.html，
Google提供了一个新的DeveloperTools，即：ADT Bundle，中文翻译之：ADT捆绑包。
第一步：
Get theAndroid SDK
The Android SDKprovides you the API libraries and developer tools necessary to build, test,and debug apps for Android.
If you're a newAndroid developer, we recommend you download the ADT Bundle to quickly startdeveloping apps. It includes the essential Android SDK components and a versionof the Eclipse IDE with built-in ADT (Android Developer Tools) tostreamline your Android app development.
With a singledownload, the ADT Bundle includes everything you need to begin developing apps:
· Eclipse + ADT plugin
· Android SDK Tools
· Android Platform-tools
· The latest Android platform
· The latest Android system image for the emulator
获取Android SDK翻译出来的大概意思如下：
Android SDK为Android开发提供API库文件以及编译、测试和调试必需的开发工具。
如果你是新的Android开发者，我们建议下载ADT Bundle来快速开始应用开发。该工具包含基本的Android SDK组件和一个嵌入了ADT的Eclipse IDE.
只需要下载一个ADT Bundle安装包，它包含了开始开发应用所需的所有组件如下：
· Eclipse + ADT plugin
· Android SDK Tools
· Android Platform-tools
· The latest Android platform
· The latest Android system image for the emulator
由此可知，新工具非常方便，可以省去了之前配置开发环境的时间，方便快速上手开发。
在http://developer.android.com/sdk/index.html点击 Downloadthe SDK ADT Bundle for Windows，即可开始下载，下面讲讲如何安装使用ADT bundle及需要注意的问题。
第二步：
Setting Up the ADTBundle
Install the SDK andEclipse IDE
1. Unpack the ZIP file (named adt-bundle-<os_platform>.zip) and save it to an appropriate location, such as a"Development" directory in your home directory.
2. Open the adt-bundle-<os_platform>/eclipse/ directory and launch eclipse.
That's it! The IDE isalready loaded with the Android Developer Tools plugin and the SDK is ready togo. To start developing, read Building Your FirstApp.
Caution: Donot move any of the files or directories from the adt-bundle-<os_platform> directory.If you move the eclipse or sdk directory,ADT will not be able to locate the SDK and you'll need to manually update theADT preferences.
我们发现新的工具非常方便使用，你只需解压下载的zip包，然后保存在一个合适的主目录下即可，例如：D:Android-Developadt-bundle-windows-x86
然后打开D:Android-Developadt-bundle-windows-x86eclipse下面的eclipse.exe启动eclipse即可，可将eclipse.exe发送到桌面快捷方式。
需要注意的是不要移动 adt-bundle-<os_platform>目录下的任何文件和目录，不然就需要手动更新ADT。
现在你可以使用SDK Manager来构建你的第一个Android应用拉！