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

Apple iOS Interview Questions

Questions Answers Views Company eMail

Are document objects required for an application? What does they offer?

1 2081

Which is the super class of all view controller objects?

1 5201

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 2453

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 2317

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?

1232

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

2424

Explain your process for tracing and fixing a memory leak

2382

Explain how an autorelease pool works at the runtime level

2660

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Un-Answered Questions { Apple iOS }

What is difference between synchronous and asynchronous in web request in iOS operating system?

777

What is urlsession?

753

What is view object in iOS operating system?

861

How respond to state transitions on your app in ios?

748

Will iphone 6s get ios 14?

700

What is protocol in ios swift?

770

What is mapping model?

750

What is difference between weak and strong in ios?

721

What is plist file and explain about it is usage in iOS operating system?

748

Please explain what is difference strong and weak reference?

683

Explain retain counts in iOS operating system?

869

Explain the architecture of iphone? : IOS Architect

682

Explain your process for tracing and fixing a memory leak iOs?

817

What is called before viewdidload?

755

What do you know about home screen of ios?

771

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