Apple iOS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apple iOS Interview Questions

Questions Answers Views Company eMail

What is auto-layout?

947

What is the difference between let and var in swift?

960

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?

810

Explain the difference between copy and retain?

977

What is the difference between synchronous & asynchronous task ?

960

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

920

what’s accessibilityhint?

900

What is made up of nserror object?

896

What is arc and how is it different from autorelease?

869

What are the benefits of swift over objective-c ?

903

Functionality of accelerometer of an iphone

845

applications that can be used with iphone

840

Tell me what is iphone os?

835

Do you know what is iphone sdk?

865

Introduction to iphone application development?

875

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Un-Answered Questions { Apple iOS }

Implement the following methods: retain, release, auto release in iOS operating system?

852

What is arc ios?

887

Explain inheritance?

1162

Is apple ios based on linux?

871

What major changes released in ios7, ios8, ios9+?

859

What are the Steps for using coredata?

921

What is datasource in ios swift?

871

What is category and class extension?

900

how push notification works?

874

What makes react native special for ios?

825

Difference between categories and extensions?

868

Explain me does ios support multitasking?

890

Which is the application thread from where uikit classes should be used?

818

How can an operating system improve battery life while running an app in iOS operating system?

850

Do you know what is iphone reference library?

927

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