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?

802

What is wildcard app ids?

903

From which ios version, arc is supported?

832

What are advantages of arc over mrc?

844

Explain application sandboxing.

781

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

719

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

859

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

768

Explain difference between mrc and arc?

832

What are layers?

827

What is nsmanagedobjectcontext? What are the different concurrency types?

758

What is thread safe?

783

How many types of background modes supported in ios?

738

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

774

How you can add frameworks in xcode project?

806

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Un-Answered Questions { Apple iOS }

Explain the architecture of iphone? : IOS Architect

735

What is the short cut to open the “Code Snippet Library” in Xcode?

919

What is the first responder and responder chain?

904

What does use core data mean in xcode?

900

Are ios developers in demand?

791

What is use of nsoperation? How nsoperationque works?

787

Explain what is iphone architecture?

829

So how is the new look different from the old look?

769

Define 'atomic' keyword?

782

What are the features is ios 6?

853

What is queue in ios?

811

What is polymorphism in ios?

836

Do you know any other changes to ios 7 since wwdc?

789

How are non-atomic and atomic properties different? Which one is the default property for synthesized properties? When would a user operate one over the other?

823

Which language is used in ios?

830

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