Ios Engineer Interview Questions

7,320 ios engineer interview questions shared by candidates

Screening question: Write a "recursiveDescription" function for a UIView that prints out subviews tree in a following example: <UIView> | <UIScrollView> | | <UIView> | | | <UILabel> | <UIView> | | <UILabel> A similar example could be a recursive iteration in folders/files or a tree.
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IOS Engineer

Interviewed at Google

4.4
Jun 17, 2022

Screening question: Write a "recursiveDescription" function for a UIView that prints out subviews tree in a following example: <UIView> | <UIScrollView> | | <UIView> | | | <UILabel> | <UIView> | | <UILabel> A similar example could be a recursive iteration in folders/files or a tree.

Write a function that takes an array of floats (or doubles) as a parameter and returns a longest subsequence of floats where all elements have differences not more than 1 between each other. For example input: [4.2, 5.3, 4.6, 9.8, 1.5, 5.2, 4.7] output: [4.2, 4.6, 5.2, 4.7], -> if you find the difference between any pair of elements here, it would be less or equal then one.
avatar

IOS Engineer

Interviewed at Google

4.4
Jun 17, 2022

Write a function that takes an array of floats (or doubles) as a parameter and returns a longest subsequence of floats where all elements have differences not more than 1 between each other. For example input: [4.2, 5.3, 4.6, 9.8, 1.5, 5.2, 4.7] output: [4.2, 4.6, 5.2, 4.7], -> if you find the difference between any pair of elements here, it would be less or equal then one.

Recursive folder traversal in a file system. Very similar to the first screening phone interview question. You get a folder-like data structure as an input and return a string describing a tree structure. As an alternative, each subfolder might contain files and you need to return a count of files contained in the folder and it's subfolders.
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IOS Engineer

Interviewed at Google

4.4
Jun 17, 2022

Recursive folder traversal in a file system. Very similar to the first screening phone interview question. You get a folder-like data structure as an input and return a string describing a tree structure. As an alternative, each subfolder might contain files and you need to return a count of files contained in the folder and it's subfolders.

All questions was easy. The most important question was "Why you choose mind valley". They were asking like they are apple company. The Manager and HR asked me so many times. In tech interview, they gave a URL and create a model and fetch api response and show into table. I was like Of course "A senior developer is much capable of that doing this simple task".
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Interview for IOS Developer

Interviewed at Mindvalley

3.5
May 21, 2019

All questions was easy. The most important question was "Why you choose mind valley". They were asking like they are apple company. The Manager and HR asked me so many times. In tech interview, they gave a URL and create a model and fetch api response and show into table. I was like Of course "A senior developer is much capable of that doing this simple task".

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