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.

814

What is a retain cycle?

762

What is memory management handled on ios?

814

Explain the difference between bounds and frame?

842

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

803

What is wildcard app ids?

906

From which ios version, arc is supported?

837

What are advantages of arc over mrc?

848

Explain application sandboxing.

787

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

719

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

864

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

770

Explain difference between mrc and arc?

847

What are layers?

832

What is nsmanagedobjectcontext? What are the different concurrency types?

765

Un-Answered Questions { Mobile OS }

What is ubuntu gnome desktop?

775

What do you mean by initialization?

810

Is android system webview important?

906

What are the core components under the android application architecture?

973

What are selectors in objective-c?

830

What is use of rxjava in android?

927

How many different logcat types are there?

952

What is datasource in ios swift?

820

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

779

What is the difference between swift and ‘objective-c’ language?

858

There is a kind of animation that using an xml file to define a sequence of pictures using?

1019

How to build a url from uri?

1048

Enlist frameworks for cocoa?

855

What is google dagger?

836

How to declare an empty dictionary in swift?

852

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