build android development environment

1. install eclipse

2. install ADT plugin http://developer.android.com/sdk/eclipse-adt.html#installing
3. Update/install android sdk "eclipse > window > android sdk manager", install android version you want (latest version is v4.0, most device support v2.1)

4. create latest android virtual device (latest version is 4.0) in "eclipse > window > AVD Manager"

5. Create android project "File > new project > android project". 在创建过程中，注意选择最低支持的android version

6. run the project as "android application", 若你要debug，和debug 普通java project是一样的

official android dev guide is http://developer.android.com/guide/developing/index.html

中文guide: http://code.google.com/p/androidbmi/wiki/DiveIntoAndroid

how to test app in real device http://developer.android.com/guide/developing/device.html

除了上面 link讲解的设置之外，还要要多一个步骤：

在Eclipse中，右键选择Run as->Run Configuration,打开RunConfigurations对话框，Target标签页中选择

Manual,这样每次运行程序时，都会弹出Android DeviceChooser对话框，让你选择程序运行的目标。

android hello world tutorial http://developer.android.com/resources/tutorials/hello-world.html