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Apple iOS Interview Questions
Questions Answers Views Company eMail

what is the difference between nonatomic & atomic ? which is thread safe and why

 995

Explain Apple push notification

 1027

Explain commonly ios libraries

 1 1865

Explain commonly used third party libraries

 1 2310

Explain How to access document directory

 1 1640

In mapKit frame work, how to get current user location

 1014

Explain which all events will perform an ios application in background

 1106

Explain about AFNetworking. What is the base class used in AFNetworking library

 1822

What is the methods for unzip file in AFNetworking

 1392

How to convert MVC design pattern to MVVM design patterns

 1052

Explain Inapp purchase in iOS

 1 1815

Explain Appstore uploading process

 1 1877

What is Process?

 1 1799

What is Task?

 1 1778

Who calls the main function of you app during the app launch cycle in iOS operating system?

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528

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Un-Answered Questions { Apple iOS }

How to run xcode and other tools with the iphone sdk?

423

What are selectors in objective-c?

436

What is synthesize in ios?

413

What is the difference between developer and enterprise developer accounts?

403

Explain how you can migrate to Xcode?

518




What is xib?

441

What is dynamic dispatch ios?

421

What are “strong” and “weak” references? Why are they important and how can they be used to help control memory management and avoid memory leaks?

429

Explain the difference between stack and heap memory?

433

When would you say that an app is not in a running state?

598

Explain parent-child context setup. How does it work?

429

What is mvvm in ios swift?

446

What is the maximum byte-size for a push notification to apple server?

445

Do you know what are layer objects and what do they represent?

467

What is the meaning of 'weak' keyword?

499

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