Kitchen fruit flys?!? Anyone know how to get rid of those pesky fruit flys...

Anyone know how to get rid of those pesky fruit flys that circle my kitchen? I can't come across to get rid of them and they are really annoying. I don't own any open food out so I am not sure where on earth they even come from but if you know how to get rid of them..please share the comprehension with me!
Answers:    I achieve them when I have fruit out...especially bananas. To aid within getting rid of them...put out a glass of sweet wine. They are attracted to it and they drown.
just one way I know of-make sure you hold NO fruit out-bananas are bad for it.Wipe everything down near a good cleaner-especially not easy to reach places similar to under stove and fridge. Don't own trash can in kitchen.If you recycle-wash it first. devout luck :)