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

Apple iOS Interview Questions

Questions Answers Views Company eMail

How you will store user info (username, password or token) securely in ios?

760

What is wildcard app ids?

856

From which ios version, arc is supported?

766

What are advantages of arc over mrc?

791

Explain application sandboxing.

720

Have you uploaded app on appstore? What is the process?

665

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

784

Why do we override drawrect: method? How to explicitly call it?

715

Explain difference between mrc and arc?

788

What are layers?

773

What is nsmanagedobjectcontext? What are the different concurrency types?

697

What is thread safe?

733

How many types of background modes supported in ios?

695

How we can execute some code when app is in background?

718

How you can add frameworks in xcode project?

747

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Un-Answered Questions { Apple iOS }

How to export your private key from your keychain in iphone development?

720

How can you enable client certificate in ios 12? : IOS Architect

728

Describe @objc inference?

761

What is viper code?

740

What is ios design?

720

Explain application sandboxing.

720

What is didreceivememorywarning method in you viewcontroller?

737

What is appdelegate in xcode?

761

What is ios image?

694

What is a struct in iOS operating system?

718

Explain the difference between viewdidload and viewdidappear?

783

What is meaning of 'atomic' keyword?

805

What is gcd? How is it used?

713

When can you get ios 13?

760

Explain the difference between NSOperationQueue concurrent and non-concurrent in iOS operating system?

798

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