[Help] Error when import svn code project into portlet project in Eclipse

[Nguyễn Cường, geändert vor 12 Jahren.]

I found the source code on this link
and I checked out:

And then import into Eclipse:

If I choose as " existing project into workspace ":

How can I fix error and add "Liferay v6.0 CE" and "Liferay Portlet plugin API" like the above "hello-portlet"
Thanks a lot