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 the purpose of UIWindow object?

1 2552

. How do you change the content of your app in order to change the views displayed in the corresponding window?

1 2220

Define view object.

1 2027

You wish to define your custom view. Which class will be subclassed?

1 2388

. Apart from incorporating views and controls, what else an app can incorporate?

1 2533

What are layer objects and what do they represent?

1 2925

Explain what is the stack of autorelease pools. How autorelease pool work under the hood?

1405

How to debug a crash in the auto-release pool?

1 2409

How will you implement sets and the intersection operation? Complexity?

1332

what is your preferred programming language? Why? How long will it take you to learn a new programming language?

1292

What happens when you invoke a method on a nil pointer?

2480

Explain your process for tracing and fixing a memory leak

2443

Explain how an autorelease pool works at the runtime level

2707

When dealing with property declarations, what is the difference between atomic and non-atomic?

1496

Tell me about the Windows Phone?

1 2957

Un-Answered Questions { Mobile OS }

Explain ~/documents, ~/library, ~/tmp. What directory is ~ on ios?

765

What is ubuntu and how does it work?

744

Which layout is mostly used in android?

940

Name the features of blackberry

841

Does ubuntu live usb save changes?

728

What language is ios based on?

845

is there a way to know if my code is running on emulator or device?

964

Which is better android nougat or oreo?

992

What is dynamic dispatch ios?

815

What are location providers in android?

990

Please explain how to prevent the data from reloading and resetting when the screen is rotated?

926

How is the nine-patch image different from a regular bitmap?

1038

Explain about the windows phone?

932

What is fused?

982

Tell us why would you do the setcontentview() in oncreate() of activity class?

897

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