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

729

What is an iphone app?

869

What are the requirements for developing iphone apps?

805

What is push notification?

921

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

883

When to use nsmutablearray and when to use nsarray?

775

Describe the functionality of accelerometer of an iphone ?

824

What is cococa and cocoa touch?

914

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

784

What is latest mac os version?

892

What is meaning of 'synthesize' keyword ?

863

What is meaning of 'retain' keyword?

890

What is the meaning of 'weak' keyword?

844

What are the viewcontroller lifecycle in ios?

906

What is difference strong and weak reference ? Explain.

860

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Un-Answered Questions { Apple iOS }

What is the difference between stack and heap?

932

How to install an iphone application for testing?

878

What are different ways that you can specify the layout of elements in a uiview?

842

Explain the difference between nil and nil?

895

Explain how to silent the noisy keyboard?

890

Is realm db free?

835

Why is iboutlet weak?

823

What is iphone reference library?

939

What is difference between weak and strong in ios?

774

What compilers apple using ?

907

Explain your process for tracing and fixing a memory leak

2450

How do I get ios 13?

825

In mapKit frame work, how to get current user location

1360

Explain the difference between stack and heap memory?

798

What are the three themes that ios embodies?

903

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