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.

814

What is a retain cycle?

762

What is memory management handled on ios?

813

Explain the difference between bounds and frame?

842

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

802

What is wildcard app ids?

905

From which ios version, arc is supported?

837

What are advantages of arc over mrc?

848

Explain application sandboxing.

786

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

719

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

864

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

769

Explain difference between mrc and arc?

846

What are layers?

831

What is nsmanagedobjectcontext? What are the different concurrency types?

764

Un-Answered Questions { Mobile OS }

Tell me is there any internal page notification that it receives to detect a phone call?

902

what is Xcode?

913

Which are the dialog boxes supported by android platform?

1013

What is the use of behavior tab in Ubuntu?

784

Can I update my version of android?

886

Where are lay out details placed?

953

Which shortcut key we can use to change orientation in an avd simulator?

902

Do swift classes inherit from nsobject?

762

Can you explain ios design patterns?

816

What is api level, codename of android 4.1 – 4.3?

982

Enlist the methods to achieve concurrency in ios?

777

is there a way to know if my code is running on emulator or device?

967

What is on change?

989

What is messaging? How does the runtime handle message passing?

761

How do I create a service in ubuntu?

788

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