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 category and class extension?

831

What are the different delete rules that a relationship can have?

705

what are fetched properties? How do you create a fetched property?

763

What is nspersistentstore? Is it thread safe?

899

What is a fault?

772

Is core data is thread safe?

791

What is messaging? How does the runtime handle message passing?

723

What are the different delete rules that a relationship can have? Which one takes ownership?

763

What is the purpose of reuseidentifier?

803

What is dependency management tools?

753

Why do all model object attributes get marked with @dynamic and not synthesised?

859

In a single model, can I have few entities in one sqlite db file and remaining in another sqlite db file?

850

What is nsmanagedobjectcontext? What are the different concurrency types? Explain them.

707

What are transient properties?

796

Why do all model object attributes get marked with @dynamic and not synthesised? What does @dynamic mean?

719

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Un-Answered Questions { Apple iOS }

What is category and extension in ios?

745

What are the different store migration options?

876

What is bundle id?

805

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

738

Describe @objc inference?

778

Who calls the main function of app during the app launch cycle in ios?

813

What is uiwindow in ios?

782

Explain alamofire benefits

765

what is the method for preventing the quicktime player from capturing streaming videos of ios 8 apps on yosemite while screen recording is on?

673

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

913

What language is ios written?

721

Explain what is garbage collection?

832

What is context in core data ios?

771

What is the use of 'dynamic' keyword?

874

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

1333

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