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.

812

What are transient properties?

897

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

819

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

847

How to handle concurrency problems in core data?

985

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

832

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

865

What is the responder chain?

885

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

864

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

944

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

823

Who calls the dealloc strategy?

898

What do you mean by service in android?

972

What do you mean by activitycreator?

1069

What do you understand by anr dialogue box?

988

Un-Answered Questions { Mobile OS }

What is the quickest way to open an ubuntu terminal in a particular directory?

725

Specify key disadvantages of android?

979

What is the meaning of 'strong'keyword?

918

What are runnable in android?

987

What is api level, codename of android 5.0 – 5.1?

1026

Explain how the push notification works in iOS operating system?

947

How to post an http request with a json body in swift?

964

Explain how to detect if my application is exiting so I can save state?

972

What is androidmanifest.xml?

965

What is safe mode in android?

1115

How do I download android os?

972

How to change application name after its deployment?

1189

What is a sticky broadcast? Give an example.

1064

How can you define a base class in swift?

912

What is broadcast receiver component of android?

1106

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