Ubuntu eclipse Enviroment Android Development

1.download eclipse IDE
web site: http://www.eclipse.org/downloads
shell>tar xvzf eclipse-jee-helios-SR1-linux-gtk.tar.gz

2.install ADT for eclispe
press Add Button and input web site:
https://dl-ssl.google.com/android/eclipse/

select "Developer tools" and press Next button and Next.Select "I accept the terms of the license agreement" and press finish Button.

3.download android SDK
eg:android-sdk_r08-linux_86.tgz
shell>tar xvzf android-sdk_r08-linux_86.tgz
shell>cd android-sdk_r08-linux_86/tools
shell>./android
the command will lanuche "Android SDK and AVD Manager"
click "Installed Packages" and then press "Update all"

4.in "Android SDK and AVD Manager"
click "Virtual devices" and press "New" button
.....

5.set Eclipse Preferences
launche Eclipse IDE
click "windows" menu and select "preferences"
click "Android" set correct "SDK location"
press "Apply" Button and then you will see like this:

target Name        Vendor                platform    API Level
Android 2.1-update1    Android Open Source Project     2.1-update1 7
Android 2.2        Android Open Source Project     2.2        8
Android 2.3        Android Open Source Porject    2.3        9