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Apple iOS Interview Questions
Questions Answers Views Company eMail

What is advantage of categories? What is difference between implementing a category and inheritance?

 380

What is an iphone app?

 474

What are the requirements for developing iphone apps?

 443

What is push notification?

 526

Assume that your app is running in the foreground but is currently not receiving events. In which sate it would be in?

 531

When to use nsmutablearray and when to use nsarray?

 448

Describe the functionality of accelerometer of an iphone ?

 479

What is cococa and cocoa touch?

 540

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

 445

What is latest mac os version?

 520

What is meaning of 'synthesize' keyword ?

 514

What is meaning of 'retain' keyword?

 530

What is the meaning of 'weak' keyword?

 513

What are the viewcontroller lifecycle in ios?

 518

What is difference strong and weak reference ? Explain.

 484

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Un-Answered Questions { Apple iOS }

What are kvo and kvc?

471

What is the biggest change with ios 7?

497

What is a category and when is it used?

515

what are the two different smart groups in Xcode?

507

What is ios viewdidload?

464




Explain ios switching applications?

490

What is gcd in ios swift?

466

What is difference between shallow copy and deep copy in ios ? : IOS Architect

473

What is use of nsoperation?

453

How does the runtime handle message passing? What is message forwarding?

512

What is appdelegate?

481

What is weak and strong in ios?

451

What are ios apps coded in?

459

What is the ? In swift?

491

What are the viewcontroller lifecycle in ios?

518

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