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?

710

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

729

How to de-symbolicate crash log?

715

How we can do multithreading in ios?

787

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

726

Arc is compile time or run time feature?

812

Is uikit thread safe?

776

Why do we override drawrect: method?

767

What does static analyser do?

780

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

775

Explain the difference between viewdidload and viewdidappear?

784

Explain xctest test case code.

752

What is a retain cycle?

698

What is memory management handled on ios?

745

Explain the difference between bounds and frame?

789

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Un-Answered Questions { Apple iOS }

What is category and class extension? How these differ?

749

Explain what is a framework?

781

What is mvvm in ios swift?

775

What is difference between weak and strong in ios?

719

Explain app's state transitions when it gets launched?

683

What’s the difference between mkannotation and mkpointannotation?

887

What is mvvm in ios?

825

What is wildcard app ids?

856

What is nspersistentstorecoordinator?

748

How do you create a fetched property?

758

What is a background thread?

780

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

746

What is ios selector?

764

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

841

What are the benefits of swift over objective-c ?

802

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