Installing Android Adt Plugin V9.0.0 On Eclipse Classic 3.6.1 Failed

I've followed instructions on developer.android.com carefully: I've downloaded Eclipse Classic 3.6.1 I've opened Help->Install New Software and added ADT Plugin site But insta

Solution 1:

According to your log message you don't have GEF plugin installed that is required by the android tools. You can install it from here: http://www.eclipse.org/gef/

Solution 2:

Or you download the "Eclipse IDE for Java Developers" version. Android plugin and SDK work fine with this version. http://eclipse.org/downloads/packages/eclipse-ide-java-developers/heliossr1