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.

780

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?

831

What are layers?

827

What is nsmanagedobjectcontext? What are the different concurrency types?

758

What is thread safe?

782

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 }

Which is the default for synthesized properties?

883

What is view controller xcode?

855

Different types of persistent stores? Which all types can we have on ios?

820

What are the lifecycle events of uiviewcontroller?

938

What is callback in ios?

796

What are the popular apps of iphone?

924

How nsoperationque works?

803

what is the use of PO command in Xcode?

957

What are layer objects and what do they represent in iOS operating system?

808

What is 1x 2x?

790

What is the 'interface' and 'implementation'?

843

From which ios version, arc is supported?

832

What is ios deadlock?

871

What is the mean of not running state in ios?

817

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

797

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