Import project into Android-Studio

Import project into Android-Studio

I have been given an Android project created in Eclipse which I need to
port to Android-Studio.
I'm using the most up-to-date version of the Android-Studio (0.2.6 build
130.795381) which includes a bundled gradle distribution (version 1.7).
I followed the instructions written here and asked the guy that handed me
the project to provide me with the products of this procedure.
So he did and sent me a "build.gradle" file which suppose to make the
import possible.
I opened the Android-Studio and tried to import the project (using any of
the possible options) and it failed due to:
I tried to download gradle version 1.6 and choose it by selecting the
"local gradle distribution" option, but this time it fails due to:
How can I overcome this problem?