IOS Developer Engineer Interview Questions | Glassdoor

IOS Developer Engineer Interview Questions

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IOS developer engineer interview questions shared by candidates

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What are the App states. Explain them?

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Active: app is foreground Background: app is not foreground but still executing codes Inactive: app is suspended

Not Running - app has not been launched or was running but terminated by system. Inactive - app is running in foreground but not receiving events. Active - app is running in foreground and receiving events. Background - app is in the background and executing code. Suspended- the app is in the background but is not executing code.

For iOS, the hackathon involves adding features to a code based compiled from previous interviewees. The unexpected part of this was finding that this was the app that got released to the public.

To take an online skills assessment.

1 Answer

Implement a Priority Queue's insert & dequeue methods.

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