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

763

What are transient properties?

848

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

754

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

794

How to handle concurrency problems in core data?

936

Explain parent-child context setup. How does it work? What are the advantages?

775

What major changes released in ios7, ios8, ios9+?

814

What is the responder chain?

825

Can a static library (.a) contain assets like pictures, sound documents and so on.?

800

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

903

How do you setup/initialise a core data stack in your application? Is this activity performed on main thread? If not, why?

783

Who calls the dealloc strategy?

848

What do you mean by service in android?

921

What do you mean by activitycreator?

1018

What do you understand by anr dialogue box?

911

Un-Answered Questions { Mobile OS }

What are lazy stored properties, and how are they useful?

803

Name 4 ways android allows you to store data?

957

What are the minimum system requirements to install ubuntu?

795

Explain the difference between copy and retain?

944

Explain the three common use cases for using an intent?

914

How do you make a bridging header in swift?

809

List some control transfer statements used in swift?

814

how to write a custom adapter in android?

943

How to parse xml? Explain

872

Is it possible to run two instances of emulator on the same machine. I am doing some networking app and need two emulators to test it?

868

What are blocks in ios?

911

Why is it called ubuntu?

839

Explain content provider component of android?

944

How will you record a phone call in Android? or How to handle on Audio Stream for a call in Android?

844

What is build/ directory?

935

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