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

Apple iOS Interview Questions

Questions Answers Views Company eMail

Bundle & document directory, sandbox ?

1 2133

Difference b/w collectionView & uitableview?

2308

What is UICollectionView ?

1 3488

What is UITableView?

1 2280

DB updation when app new version comes ?

1364

How to do upload of large sized video file to server ? while uploading user presses “Homebutton” How long will execute?

1374

“BgTask “ ? how long execute?

1 2539

UI updation in seperate thread is it possible ?

1 2081

what is universal Application?

1 2180

what is protocol? . The use of protocol?

1 2129

what are the controllers are available in objective C

1 2531

what is navigation controller?

1 3207

What is factory methods ? What is the advantage of using it ?

1 2180

Explain UIApplication life cycle

1 2737

Explain UIApplication delegate

1 2170

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Un-Answered Questions { Apple iOS }

What is the difference between release and autorelease?

909

What is the difference between weak and strong?

849

Differentiate between ‘assign’ and ‘retain’ keyword.

883

How to parse xml? Explain

864

What is singleton class in ios?

757

Explain how an autorelease pool works at the runtime level in iOS

950

What is ios selector?

815

What kind of database is realm?

921

Why do all model object attributes get marked with @dynamic and not synthesised? What does @dynamic mean?

754

How to use reusable cell in uitableview?

934

What is a struct in iOS operating system?

772

What is race condition in ios?

826

What is code signing in iOS operating system?

819

Does ios support multitasking?

843

What is the viper?

810

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