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?

860

What is difference between if and guard in swift?

907

What is base class in swift?

788

What is swift nsarray?

772

What are lifecycle events of uiviewcontroller?

752

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

797

How to de-symbolicate crash log?

775

How we can do multithreading in ios?

857

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

765

Arc is compile time or run time feature?

878

Is uikit thread safe?

819

Why do we override drawrect: method?

819

What does static analyser do?

823

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

825

Explain the difference between viewdidload and viewdidappear?

834

Un-Answered Questions { Mobile OS }

What is delegation pattern in ios?

748

What is nsmanagedobjectcontext?

857

What is libdispatch?

885

Describe the capabilities of ddms?

967

How to prevent the data from reloading and resetting when the screen is rotated?

1064

What is meant by google android sdk?

957

What is broadcast receiver component of android?

1053

Can we play pc games on android?

872

Explain the four java classes related to using sensors on the android platform?

923

what are the other notifications in android?

1007

what is the difference between dynamic receiver and static receiver? When will you use dynamic broadcast receivers?

999

Why do all model object attributes get marked with @dynamic and not synthesised? What does @dynamic mean?

754

What is category and extension in ios?

790

In android, which manifest permission is needed when use gps location?

907

Will galaxy s9 get android 10?

914

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