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?

962

What is a category and when is it used?

963

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?

819

What are the limits of accessibility ?

915

Explain the characteristics of ios?

884

Explain place holder constraint

846

Explain differences between foundation and corefoundation

889

What is auto-layout?

957

What is the difference between let and var in swift?

968

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?

820

Explain the difference between copy and retain?

988

What is the difference between synchronous & asynchronous task ?

973

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

926

what’s accessibilityhint?

914

What is made up of nserror object?

906

Un-Answered Questions { Mobile OS }

Who created swift?

804

What is .idea/ directory?

960

What are the exceptions available in android?

982

What Programming languages does Android support for application development?

1131

In android, how to insert swipe animation?

1106

How to silent the noisy keyboard?

931

What are transient properties?

897

What are the versions of ubuntu?

752

How would you create your own custom view in iOS operating system?

865

How to open a file in ubuntu terminal?

798

In android, what is contained within the xml files in layout folder?

952

What is a change gravity?

979

How do I become an ios developer?

982

How multiple line comment can be written in swift?

825

What do you mean by intent in android?

1065

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