You definitely have to learn to cut your dog's nails. If they're white, it's a lot easier. If they're black, then you'll have to watch this Youtube video to get some basic tips.
If you're concerned that he might get too fidgety, then make sure you prepare lots of treats so that whenever you clip a nail, his reward ( a treat) is ready. The trick is to associate the experience with something good.
One more thing, when cutting dog nails, it's best to do it quickly because I've noticed that dogs get annoyed quicker when the cutting is done slowly.
The first time I cut through the quick, my dog's nail bled profusely. I panicked when I shouldn't have. So one more tip to remember is to purchase styptic powder just in case an accident happens. If you don't have any, corn starch will do in the mean time.