using Swift with Objective-C iOS application states (running, not running, etc) and transitions between them general UIKit questions (frames & bounds) autorelease pool
Anonymous
It's essential to demonstrate that you can really go deep... there are plenty of followup questions and (sometimes tangential) angles to explore. There's a lot of IOS Developer experts who've worked at Bumble, who provide this sort of practice through mock interviews. There's a whole list of them curated on Prepfully. prepfully.com/practice-interviews
Check out your Company Bowl for anonymous work chats.