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?

836

What is wildcard app ids?

941

From which ios version, arc is supported?

872

What are advantages of arc over mrc?

896

Explain application sandboxing.

835

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

765

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

921

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

811

Explain difference between mrc and arc?

896

What are layers?

869

What is nsmanagedobjectcontext? What are the different concurrency types?

811

What is thread safe?

826

How many types of background modes supported in ios?

782

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

823

How you can add frameworks in xcode project?

854

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Un-Answered Questions { Apple iOS }

How to download xcode for iphone development?

767

What persistent storage core data uses to save data?

835

What is the difference between cocoa and cocoa touch?

789

How does the runtime handle message passing? What is message forwarding?

937

What is difference between synchronous and asynchronous in web request in iOS operating system?

874

What is iphone reference library?

981

Explain the difference between strong and retain.

810

Which is the application thread from where uikit classes should be used?

823

What is autorealease pool?

986

applications that can be used with iphone

842

Mention the short-cut to edit variables in Scope?

844

DB updation when app new version comes ?

1420

How to add an iphone os user to your team as a tester?

809

What do you mean by rest?

838

Procedure to push the app in appstore?

871

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