Apple iOS Interview Questions
Questions Answers Views Company eMail

What is notification in iOS?

TryTechnicals Pvt Ltd,

493

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

SwanSoft Technologies,

540

What is sandbox in iOS operating system?

Winsol Solutions,

591

What is categories in iOS?

UGC Corporation,

514

Explain the correct way to manage Outlets memory in iOS.

UGC Corporation,

451

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

Winsol Solutions,

460

What are all the difference between iOS3, iOS4 and iOS5?

UGC Corporation,

449

What is delegate pattern in iOS?

Winsol Solutions,

488

What are the App states in iOS operating system? Explain them

UGC Corporation,

437

Define view object in iOS operating system?

SwanSoft Technologies,

473

Explain how the push notification works in iOS operating system?

Winsol Solutions,

457

Explain the steps involved in submitting the App to App-Store in iOS operating system?

Winsol Solutions,

488

Name the app sate which it reaches briefly on its way to being suspended in iOS operating system?

TryTechnicals Pvt Ltd,

482

How would you create your own custom view in iOS operating system?

TryTechnicals Pvt Ltd,

451

What are all the instruments available in Xcode in iOS operating system?

TryTechnicals Pvt Ltd,

449


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Un-Answered Questions { Apple iOS }

How are non-atomic and atomic properties different? Which one is the default property for synthesized properties?

433


What is wildcard app ids?

483


What’s the difference between not-running, inactive, active, background and suspended execution states?

420


What is nonatomic?

487


What is use of nsoperation? How nsoperationque works?

429






Explain ios multitasking?

457


What is code signing in iOS operating system?

454


what are the new features in Xcode 6?

527


What are delegates in ios swift?

426


What is polymorphism in ios?

447


What is view object in ios?

464


What is ios closure?

409


How to parse json? Explain

485


Define content offset?

474


What is uiviewcontroller in ios?

426