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

Mobile OS Interview Questions

Questions Answers Views Company eMail

Explain xctest test case code.

815

What is a retain cycle?

765

What is memory management handled on ios?

818

Explain the difference between bounds and frame?

843

How you will store user info (username, password or token) securely in ios?

804

What is wildcard app ids?

909

From which ios version, arc is supported?

838

What are advantages of arc over mrc?

849

Explain application sandboxing.

788

Have you uploaded app on appstore? What is the process?

720

What is difference between unit tests and ui test in xcode?

866

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

774

Explain difference between mrc and arc?

849

What are layers?

836

What is nsmanagedobjectcontext? What are the different concurrency types?

769

Un-Answered Questions { Mobile OS }

How to find the memory leaks in mrc?

1278

What is the first responder?

788

Is ubuntu free to download?

731

What collection types are available in swift?

792

Which is the latest version of android?

999

Explain the features is ios 6?

827

What are layers?

836

Explain the difference between nine-patch image vs regular bitmap image?

903

Explain keywords alloc and new?

821

Do try catch swift?

770

What is the importance of android in the mobile market?

1000

What are the limits of accessibility ?

854

How do I restart my android phone in safe mode?

905

List the various tasks accomplished by a node controller?

686

Explain circuit level gateway?

904

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