You can use autolayout (see my NSLondon talk, which discusses this in the Q&A). However, there's no way to make autolayout run asynchronously, so you won't be

You can use autolayout (see my NSLondon talk, which discusses this in the Q&A). However, there's no way to make autolayout run asynchronously, so you won't be able to reduce main thread stalls caused by autolayout-driven calculations.