How to get code coloring for Objective-C?

I see that I can get code coloring with some languages which is a great feature.

For example:

printf("%d", a);

But I can’t get it working with Objective-C. I tried some keywords obj-c objc objectivec but none is working.

@property(nonatomic) NSString *text;

Is it possible to get syntax coloring with Objective-C?

I don’t think full objective-c is possible. Your best bet is to use clike, that won’t get all objective-c syntax, but will get some of the basics.