Interview guides / ios

Capture Lists: iOS Interview Question

Capture Lists interview question with a clear example answer for iOS engineers. Practice with AceMobileInterview.

This is a common iOS interview topic: Capture Lists.

Below is a concise answer you can adapt in a real interview, then go deeper in the full AceMobileInterview track.

1. 1.Explain [weak self] vs [unowned self] in escaping closures.

   weak self makes self optional and avoids cycles when lifetime is uncertain. unowned assumes self outlives the closure—crashes if wrong. Prefer weak for UI/async work unless lifetime is guaranteed.