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.

808

What is a retain cycle?

761

What is memory management handled on ios?

809

Explain the difference between bounds and frame?

835

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

802

What is wildcard app ids?

903

From which ios version, arc is supported?

832

What are advantages of arc over mrc?

844

Explain application sandboxing.

780

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

719

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

859

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

768

Explain difference between mrc and arc?

832

What are layers?

827

What is nsmanagedobjectcontext? What are the different concurrency types?

758

Un-Answered Questions { Mobile OS }

What is layout/ directory?

972

Explain the difference between windows and ubuntu?

766

What are delegates in ios swift?

800

How are applications categorized?

943

How do you find any view element into your program?

918

How much do swift developers make?

811

What are kvo and kvc?

799

In swift, what type of object are basic data types?

912

How to measure your application's performance on an iphone device?

788

What is an android runtime?

953

Explain your process for tracing and fixing a memory leak iOs?

864

How do you usually persist data on ios? : IOS Architect

779

Do you know which json framework is supported by ios?

816

What do you know about the ios kernel?

855

Toast is a class to display a message in android. How to set position of a toast?

930

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