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 2477

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

1 2147

Define view object.

1 1940

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

1 2305

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

1 2454

What are layer objects and what do they represent?

1 2844

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

1351

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

1 2319

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

1286

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

1233

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

2425

Explain your process for tracing and fixing a memory leak

2382

Explain how an autorelease pool works at the runtime level

2660

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

1424

Tell me about the Windows Phone?

1 2867

Un-Answered Questions { Mobile OS }

Explain arc?

807

What manual memory management?

727

What needs to be done in order to set android development environment where eclipse ide is to be used?

897

What is array in ios?

737

What are the ios devices?

779

Differentiate activities from services?

913

Can you play android 2.1 games on android 2.2?

939

What is the use of static keyword in swift?

735

What is autorealease pool?

884

What are the tools are placed in an android sdk?

862

What is dagger2?

843

What is the difference between let and var in swift?

850

Explain any three-shift pattern matching techniques?

797

Which kernel is used in android?

972

What is ios selector?

767

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