Apple iOS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apple iOS Interview Questions

Questions Answers Views Company eMail

What are lifecycle events of uiviewcontroller?

725

How we can wait for some thread to finish before starting another?

749

How to de-symbolicate crash log?

734

How we can do multithreading in ios?

810

Explain ~/documents, ~/library, ~/tmp. What directory is ~ on ios?

737

Arc is compile time or run time feature?

833

Is uikit thread safe?

791

Why do we override drawrect: method?

781

What does static analyser do?

795

What is nsuserdefaults? What type of data can we store there?

793

Explain the difference between viewdidload and viewdidappear?

798

Explain xctest test case code.

764

What is a retain cycle?

724

What is memory management handled on ios?

761

Explain the difference between bounds and frame?

809

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Un-Answered Questions { Apple iOS }

What is concurrency in ios?

816

Is the delegate for a CAAnimation retained in iOS operating system?

816

What is viper code?

752

Name the application thread from where uikit classes should be used?

953

What is difference between unit tests and ui test in xcode?

811

What is the difference between release and autorelease?

855

What is ipad screen size?

821

What is iphone sdk?

811

How can a user respond or react to the state transitions on the app?

873

What is nslayoutanchor?

771

Which devices will this work with ios?

803

What are the different store migration options?

880

Which compiler is used by ios? : IOS Architect

890

Will iphone 7 get ios 13?

709

What is the mean of not running state in ios?

776

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