Ant use -source 7 or higher to enable diamond operator

Question

I am sure this is pretty easy qoestion, but I am stuck with building Android app using Ant from commandline. I have got this message: (use -source 7 or higher to enable d

Answer 1

You need to set java.source and java.target. Either via -D:

ant release -Djava.source=7 -Djava.target=7

Or put it in ant.properties in your project:

# ant.properies contents:
java.source=7
java.target=7