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Mobile OS Interview Questions
Questions Answers Views Company eMail

What is a static variable swift?

 1 960

What is difference between if and guard in swift?

 1 1017

What is base class in swift?

 1 858

What is swift nsarray?

 1 842

What are lifecycle events of uiviewcontroller?

 1 832

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

 1 897

How to de-symbolicate crash log?

 1 864

How we can do multithreading in ios?

 1 955

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

 1 867

Arc is compile time or run time feature?

 1 976

Is uikit thread safe?

 1 915

Why do we override drawrect: method?

 1 902

What does static analyser do?

 1 922

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

 1 936

Explain the difference between viewdidload and viewdidappear?

 1 939

Un-Answered Questions { Mobile OS }

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

850

What is the purpose of reuseidentifier?

919

What is dependency management tools?

876

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

832

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

990

How can you define a base class in swift?

933

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

975

Explain how to play video in isolatedstorage using mediaelement?

934

What is the latest version of edubuntu?

894

What is latest version of ios?

867

What is latest xcode version?

920

Which is the latest version of android?

1089

What are the different store migration options? How do they work?

877

Explain how to save screen from an xna app?

1037

Explain how to edit location for weather?

966

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