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 2553

. 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 2028

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?

1293

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 the difference between viewdidload and viewdidappear?

834

How does manifest file plays an integral role in app development?

881

Explain how to restart or shutdown my application programmatically?

991

Describe what “app thinning” means ?

827

What is the proper way of setting up an android-powered device for app development?

899

What is a layout manager android?

941

Explain how to identify a device or a user?

887

Is arch linux better than ubuntu?

829

What is lazy var in swift?

872

How do I update my android os?

957

Explain the email advantages of blackberry technology?

914

What is use of uiapplication class?

822

Is apple better than android?

894

How to write a multiple line comment in swift?

902

Who bought ubuntu?

692

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