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 are fetched properties?

812

How core data differs from sqlite?

859

Can we support the same application for iphone 3gs and iphone 5, 6, 7? Why not?

773

What is difference between performblock: and performblockandwait:?

914

What are the Different types of persistent stores?

859

What is nsmanagedobject?

815

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

938

What is nspersistentstore?

939

What is nsuserdefaults?

844

What is nsfetchedresultscontroller?

897

Explain parent-child context setup. How does it work?

781

Who calls the dealloc strategy? Would we be able to implement dealloc in arc? In the event that indeed, what is the need to do that?

852

What is message forwarding?

826

What is the benefit of setting reuseidentifier to a non-nil value?

758

What are the different store migration options? When are they used?

815

Un-Answered Questions { Mobile OS }

How to call objective-c code from swift?

820

Is google an android phone?

959

What is libs/ directory?

1024

Where can we test the apple iphone apps if we don’t have an ios device?

795

What is @dynamic and any place where it is used?

843

Is android lollipop still supported?

834

How would you create an autoincrement field?

939

What’s the difference between a file, a class and an activity in android?

955

What is variable in ios?

805

What is androidtest/ directory?

1008

What is nine-patch images tool in android?

961

What is use of enum in swift?

901

What’s Canonical’s role in OpenStack?

1256

How do I create a class in xcode?

890

What is a guard statement?

840

For More Un-Answered { Mobile OS } Questions Click Here