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 2634

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

1 2286

Define view object.

1 2121

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

1 2459

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

1 2613

What are layer objects and what do they represent?

1 3005

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

1453

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

1 2505

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

1369

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

1349

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

2537

Explain your process for tracing and fixing a memory leak

2498

Explain how an autorelease pool works at the runtime level

2751

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

1551

Tell me about the Windows Phone?

1 3041

Un-Answered Questions { Mobile OS }

What is if else statement?

1104

What is error in application in iphone?

977

What are the upsides of android phone over an iphone?

1000

Who developed android?

998

What is a view controller in ios?

844

Provide the important core components of android.

974

Define 'retain' keyword?

880

Why did we open the android source code? What is the guardian app for android?

964

What is interface in swift?

866

What is access data using content provider:

1022

What is the full meaning of swift?

861

Tell me are there api's to read rss/atom feeds?

996

Explain how do I get a call when my ipad rings?

864

What is singleton class in android?

1045

What is dispatch queue in ios?

821

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