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

Mobile OS Interview Questions

Questions Answers Views Company eMail

Compare and contrast the different ways of achieving concurrency in os x and ios.

855

are you using charlesproxy ? Why/why not ?

874

How could you setup live rendering ?

788

What is dependency management?

791

What’s the difference between not-running, inactive, active, background and suspended execution states?

738

What is the use of double question marks (“??”) ?

811

What are b-trees?

763

What is a memory leak?

778

Why don’t we use strong for enum property in objective-c ?

992

What is gcd? How is it used?

713

Why do we use synchronized ?

751

What widgets can not do ?

843

What is synchronous vs. Asynchronous in gcd ?

730

What is the ? In swift?

806

What is @synthesize in objective-c ?

774

Un-Answered Questions { Mobile OS }

Are android and google the same thing?

934

How are non-atomic and atomic properties different? Which one is the default property for synthesized properties? When would a user operate one over the other?

764

What is difference between activity & service?

870

What are the tools used to develop an android app?

877

Lists life cycle methods of android activity?

871

Explain the instant messaging advantages of blackberry technology?

724

What is notification in iOS?

814

What is a toast? Write its syntax.

824

What is activity lifecycle?

861

Is the main thread called the ui thread?

865

Difference between coredata & sqlite?

861

What is sqlite? How does it differ from client-server database management systems?

920

What is onpause?

842

How do I create a class in xcode?

813

Which are the different tags that are required to create reusable user interface that include the layout?

808

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