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?

797

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

840

How to de-symbolicate crash log?

811

How we can do multithreading in ios?

909

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

800

Arc is compile time or run time feature?

925

Is uikit thread safe?

862

Why do we override drawrect: method?

857

What does static analyser do?

870

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

880

Explain the difference between viewdidload and viewdidappear?

901

Explain xctest test case code.

865

What is a retain cycle?

798

What is memory management handled on ios?

868

Explain the difference between bounds and frame?

884

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Un-Answered Questions { Apple iOS }

Would I be able to keep in touch with some c++ work in the equivalent .m record? Will it compile? Assuming no, what changes would it be a good idea for me to do to compile it?

752

What is meaning of 'readonly' keyword?

891

What is nsfetchedresultscontroller?

937

What is the use of double question marks (“??”) ?

951

Explain what is ios?

883

Is apple ios based on linux?

873

How to pass parameter to selector function in swift? : IOS Architect

1179

How to change the content of your app in order to change the views displayed in the corresponding window?

814

What is a memory leak in ios?

822

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

1413

What is background mode in ios?

890

What is the difference between viewdidload and viewdidappear?

866

Explain interfaces?

933

How is retain different from assign?

837

Can you please explain the difference between nsarray and nsmutablearray?

822

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