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 are lifecycle events of uiviewcontroller?

526

How we can wait for some thread to finish before starting another?

545

How to de-symbolicate crash log?

549

How we can do multithreading in ios?

610

Explain ~/documents, ~/library, ~/tmp. What directory is ~ on ios?

540

Arc is compile time or run time feature?

594

Is uikit thread safe?

613

Why do we override drawrect: method?

614

What does static analyser do?

544

What is nsuserdefaults? What type of data can we store there?

622

Explain the difference between viewdidload and viewdidappear?

581

Explain xctest test case code.

564

What is a retain cycle?

548

What is memory management handled on ios?

558

Explain the difference between bounds and frame?

560

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Un-Answered Questions { Apple iOS }

What is dispatch queue in ios?

534

What is ios design?

555

What is gcd in ios?

653

What is Delegation in iOS?

585

Do you know what is iphone reference library?

628

What are layer objects in iOS operating system?

591

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

584

What is the difference between stack and heap?

595

What size is 1x and 2x?

545

Why do we use synchronized ?

592

What persistent storage core data uses to save data?

563

What is App Bundle in iOS operating system?

652

What is background state in ios?

598

How to parse xml?

566

How to implement "load more" using nsfetchedresultscontroller?

591

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