Mobile OS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Mobile OS Interview Questions

Questions Answers Views Company eMail

What is a static variable swift?

860

What is difference between if and guard in swift?

907

What is base class in swift?

788

What is swift nsarray?

772

What are lifecycle events of uiviewcontroller?

752

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

797

How to de-symbolicate crash log?

775

How we can do multithreading in ios?

857

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

765

Arc is compile time or run time feature?

878

Is uikit thread safe?

819

Why do we override drawrect: method?

819

What does static analyser do?

823

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

825

Explain the difference between viewdidload and viewdidappear?

834

Un-Answered Questions { Mobile OS }

What are the ways to store data localy on iphone device?

738

Explain how app delegate is declared by Xcode project templates?

940

What is aapt (android asset packaging tool)?

958

What is windows phone web browser?

1067

explain the best way to detect that I am in design-mode in expression blend or visual studio?

932

Explain how to customize front page?

920

How to export your private key from your keychain in iphone development?

775

What is forced unwrapping? Why is it potentially unsafe?

794

What do you mean by a drawable folder in android?

977

Suppose I get a “blog returned invalid data” error message. What do I do?

757

What method does android follow to track applications?

930

Which banks use swift?

771

Does swift have header files?

781

Explain the characteristics of android

977

What is onpause?

901

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