Facebook’s New “Tweaks” Library Lets Developers Fine-tune Their iOS Apps On The Fly

Let’s say you’re building an iOS app. Your iOS app has lots of little animations — and you (or your designers) want to get the timing on those animations just right. Should that fancy expanding-drawer effect take half a second, or 3/4 of a second? Normally, a developer would take a guess at the timing that seems right, compile their app, test, change, recompile, rinse, lather,… Read More

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