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 2557

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

1 2226

Define view object.

1 2041

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

1 2393

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

1 2535

What are layer objects and what do they represent?

1 2934

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

1407

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

1 2420

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

1340

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

1300

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

2485

Explain your process for tracing and fixing a memory leak

2450

Explain how an autorelease pool works at the runtime level

2710

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

1502

Tell me about the Windows Phone?

1 2966

Un-Answered Questions { Mobile OS }

What are the different kinds of context in android?

931

What is the first responder and responder chain?

906

What is setbackgroundresource?

995

Can I update my android bluetooth version?

1056

Who is the founder of ios?

852

What is meaning of 'retain' keyword?

890

What is gradle android?

936

What is uiviewcontroller in ios?

785

How do I delete a user account in ubuntu?

777

What is a theme ?

981

Explain the difference between bounds and frame?

843

Which is the latest operating system for android?

863

What is the difference between swift and xcode?

918

Is android free for manufacturers?

873

What is a visible activity?

968

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