Android Virtual Device (AVD) Settings

To check your application you have to set the virtual device into Eclipse Environment open the Android Virtual Device Manager.

Android Plugin for Eclipse

Adding Android repository into the eclipse is quite tedious think i found when you have windows 7.

you can do this easily by ADT Plugin

Open Eclipse
Goto Help -> Install/ Software - > Click on ADD and write the https://dl-ssl.google.com/android/eclipse/  URL and name it as shown below

Setting Android Environment

What you need to begin

http://java.sun.com/javase/downloads/index.jsp

http://developer.android.com/sdk/index.html

Developing With Eclipse

www.eclipse.org/downloads/

For more detail http://developer.android.com/sdk/requirements.html