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Mobile OS Interview Questions
Questions Answers Views Company eMail

What is UICollectionView ?

 1 2766

What is UITableView?

 1 1683

DB updation when app new version comes ?

 887

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

 955

“BgTask “ ? how long execute?

 1 1855

UI updation in seperate thread is it possible ?

 1 1483

what is universal Application?

 1 1583

what is protocol? . The use of protocol?

 1 1545

what are the controllers are available in objective C

 1 1921

what is navigation controller?

 1 1976

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

 1 1542

Explain UIApplication life cycle

 1 2098

Explain UIApplication delegate

 1 1569

Is it possible to write a program without using nib file

 1 1592

What NSAutorelease pool

 1 1674

Un-Answered Questions { Mobile OS }

Difference between iOS 3 , iOS4, iOS 5, iOS 6, iOS 7 and iOS 8 (What are the new features)

1151

What is mvc pattern in ios?

440

Can I disable sim toolkit?

514

What are blocks in ios?

452

Explain the ontrimmemory() method?

499




Explain me does ios support multitasking?

459

How to handle concurrency problems in core data?

454

Which is the latest version of android os?

474

What is arc ? How it works?

588

Define iterator protocol?

458

What is change gravity?

503

When to use nsmutablearray and when to use nsarray?

438

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

396

Which scenario can test only on real devices but not on emulator?

546

Explain how you can migrate to Xcode?

518

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