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 is a static variable swift?

798

What is difference between if and guard in swift?

848

What is base class in swift?

744

What is swift nsarray?

724

What are lifecycle events of uiviewcontroller?

710

How we can wait for some thread to finish before starting another?

730

How to de-symbolicate crash log?

715

How we can do multithreading in ios?

787

Explain ~/documents, ~/library, ~/tmp. What directory is ~ on ios?

726

Arc is compile time or run time feature?

813

Is uikit thread safe?

777

Why do we override drawrect: method?

767

What does static analyser do?

781

What is nsuserdefaults? What type of data can we store there?

775

Explain the difference between viewdidload and viewdidappear?

784

Un-Answered Questions { Mobile OS }

What is block in ios swift?

857

What are ios apps coded in?

789

What are application widgets in android?

962

What are the main components in android?

948

What is a android service?

858

Explain how to identify a device or a user?

831

How to generate a protected disk image containing your csr, private key and development certificate in iphone development?

757

What are the different types of ios application states?

784

Explain what is iphone architecture?

773

Explain android?

857

Suppose I am trying to sign in to my blackberry internet service account, but I am getting this error message: “the user id and password provided are invalid. Please re-enter your user id and password and try again.” What should I do?

752

What are sensors in iphone?

839

What is the difference between a fragment and an activity?

921

Where is the ui designer in android?

889

What do you mean by android sdk?

886

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