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

Apple iOS Interview Questions

Questions Answers Views Company eMail

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

1362

Explain Apple push notification

1414

Explain commonly ios libraries

1 2463

Explain commonly used third party libraries

1 2939

Explain How to access document directory

1 2285

In mapKit frame work, how to get current user location

1351

Explain which all events will perform an ios application in background

1447

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

2198

What is the methods for unzip file in AFNetworking

1757

How to convert MVC design pattern to MVVM design patterns

1435

Explain Inapp purchase in iOS

1 2391

Explain Appstore uploading process

1 2471

What is Process?

1 2417

What is Task?

1 2436

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

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882

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Un-Answered Questions { Apple iOS }

What is messaging? What is message forwarding?

805

Who is the founder of ios?

847

What is nslayoutanchor?

794

What are layer objects and what do they represent in iOS operating system?

808

What is uiwindow in ios?

809

What is delegate and protocol in ios?

849

What is message forwarding?

817

Explain how app delegate is declared by Xcode project templates?

938

What is a thread in ios?

717

What does ios stand for in texting?

849

If you use location services in your app, will it drain your battery.if yes? How can we avoid?

1302

What is difference between 'assign' and 'retain' keyword?

796

What is block in ios?

791

What is closures in ios?

776

Explain app's state transitions when it gets launched?

726

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