I use unity pro 3.5.6 with mac pro, when I build the official Android Plugin Sample on the unity docs site, it throw the “ArgumentException: An empty file name is not valid” exception, why does it happen?
I had set the classes.jar file in the classpath, but didn’t work any more.
the solution is to return to the version of Java 6 and activate! I went out the same error, but now I compiled successfully! check which version of java you from the official page and returns to the 6.