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 2079

Difference b/w collectionView & uitableview?

2264

What is UICollectionView ?

1 3418

What is UITableView?

1 2201

DB updation when app new version comes ?

1309

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

1323

“BgTask “ ? how long execute?

1 2460

UI updation in seperate thread is it possible ?

1 1999

what is universal Application?

1 2101

what is protocol? . The use of protocol?

1 2045

what are the controllers are available in objective C

1 2467

what is navigation controller?

1 3128

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

1 2109

Explain UIApplication life cycle

1 2663

Explain UIApplication delegate

1 2092

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Un-Answered Questions { Apple iOS }

What is the difference between let and var in swift?

855

Explain me what is polymorphism?

812

What is the difference between atomic and non-atomic properties? Which is the default for synthesized properties? When would you use one over the other?

727

An app is loaded into memory but is not executing any code. In which state will it be in?

742

How to send crash report from device?

780

Explain the difference between bounds and frame?

798

What is synchronous vs. Asynchronous in gcd ?

741

Explain the difference between copy and retain?

876

What is the difference between developer and enterprise developer accounts?

679

are you using charlesproxy ? Why/why not ?

881

Explain what is the stack of autorelease pools. How autorelease pool work under the hood?

1357

What is the difference between copy and retain?

717

What is ios technology?

805

How can mobile application errors be prevented?

825

Mention what is the use of po command in xcode?

763

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