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?

752

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

795

How to de-symbolicate crash log?

774

How we can do multithreading in ios?

851

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

764

Arc is compile time or run time feature?

876

Is uikit thread safe?

815

Why do we override drawrect: method?

817

What does static analyser do?

820

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

821

Explain the difference between viewdidload and viewdidappear?

830

Explain xctest test case code.

803

What is a retain cycle?

761

What is memory management handled on ios?

805

Explain the difference between bounds and frame?

833

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Un-Answered Questions { Apple iOS }

What is arc and how is it different from autorelease?

819

What is core data stack?

795

What are most ios apps written in?

933

Explain the difference between nsarray and nsmutablearray?

919

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

707

What are the features of iphone 3gs?

809

What is the difference between retain & assign in iOS operating system?

1013

Why do we override drawrect: method? How to explicitly call it?

768

Which language is used in ios?

830

What is the use of appdelegate in ios?

862

What is libdispatch?

878

What is ipa?

855

Who developed ios?

811

What is use of uiapplication class?

822

How to start a selector on a background thread.

804

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