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’s the difference between an “app id” and a “bundle id” and what is each used for?

877

What is a category and when is it used?

891

What are “strong” and “weak” references? Why are they important and how can they be used to help control memory management and avoid memory leaks?

773

What are the limits of accessibility ?

849

Explain the characteristics of ios?

812

Explain place holder constraint

780

Explain differences between foundation and corefoundation

836

What is auto-layout?

908

What is the difference between let and var in swift?

912

What is the difference between atomic and non-atomic properties? Which is the default for synthesized properties? When would you use one over the other?

757

Explain the difference between copy and retain?

928

What is the difference between synchronous & asynchronous task ?

903

Why do you generally create a weak reference when using self in a block?

872

what’s accessibilityhint?

846

What is made up of nserror object?

852

Un-Answered Questions { Mobile OS }

What android version is my phone?

987

What is strong weak in ios?

838

Who is the founder of ios?

847

How’s the tax on purchased applications processed?

923

Explain some common features of protocols & superclasses.

909

What do you know about the ios kernel?

852

What happens to isolatedstorage when app is uninstalled?

947

What is ubuntu?

754

What is the generic in java?

971

What is iphone os?

875

What is dynamic member lookup swift?

851

What is inactive state in ios?

862

Choose right kind of layouts supported in sencha touch?

955

what are the main advantages of web services in android?

902

When dealing with multiple resources, which one takes precedence?

1015

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