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iOS Developer Interview Questions

How much experience do you have using Core Graphics? Can you give examples?

Suggested approach: Most developers have at least used Core Graphics for drawing basic shapes, but you might also have used it for text and resizing images. You should aim for at least a little experience, because this is one of the most important Apple frameworks.

If you only have experience with drawing inside SwiftUI, at least talk about that rather than just saying "I don't know" – it all counts.

  Estimated difficulty: Easy

Important notes

  • There are over 150 interview questions in the system. Once you've read the question and come up with a suitable answer, try reading my suggested approach and see if it helps you add more detail.
  • These questions are not designed to be hard; a good interviewer is more interested in generating discussion that lets your ability and interests shine through.
  • If you answer a question with "yes" or "no" you've missed the point – interviewers prefer you to provide reasoning, explanation, or detail, so try to elaborate with examples!
  • If you're looking for detailed technical questions about the language, you should try my Swift tests instead – there are multiple challenges that will work your brain hard.
  • For a whole series of coding challenges, I wrote the perfect book for you: Swift Coding Challenges.

Related questions

See the full list of iOS interview questions

 
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