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 2636

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

1 2288

Define view object.

1 2123

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

1 2466

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

1 2618

What are layer objects and what do they represent?

1 3007

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

1455

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

1 2508

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

2505

Explain how an autorelease pool works at the runtime level

2753

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 }

Who created android os?

948

Where can you define the icon for your activity?

1025

What is swift programming?

1004

what is a binder service in android and how it differs from started service?

1072

What is up with all these different versions of android, like 'donut,' 'cupcake' and 'froyo'?

963

Define decoding or deserialization and encoding or serialization?

872

How do I stop my android os from draining my battery?

929

How to sniff network traffic from the emulator?

1070

What is arc and how is it different from autorelease?

881

Are arrays structs in swift?

803

Why do all model object attributes get marked with @dynamic and not synthesised?

941

What are the 7 osi layers?

868

What is nspersistentstorecoordinator?

857

From which ios version, arc is supported?

880

Which dialog box can you use in you android application?

1010

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