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Apple iOS Interview Questions
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What are lifecycle events of uiviewcontroller?

130

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

127

How to de-symbolicate crash log?

127

How we can do multithreading in ios?

128

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

141

Arc is compile time or run time feature?

124

Is uikit thread safe?

137

Why do we override drawrect: method?

129

What does static analyser do?

131

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

129

Explain the difference between viewdidload and viewdidappear?

117

Explain xctest test case code.

130

What is a retain cycle?

122

What is memory management handled on ios?

132

Explain the difference between bounds and frame?

128


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Un-Answered Questions { Apple iOS }

What are kvo and kvc?

172


How to parse json? Explain

160


How to change the content of your app in order to change the views displayed in the corresponding window?

155


What persistent storage used in mobile apps - ios?

146


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

127






What kind of database is realm?

148


What is the use of double question marks (“??”) ?

162


Tell me the hierarchy of uibutton.

155


So how is the new look different from the old look?

139


What is mvc? Mvc architecture of iphone app.

163


How to send crash report from device?

183


Which class will be subclassed in iOS operating system?

177


Tell me what is iphone os?

148


What json framework is supported by ios (iphone os)?

163


What is the biggest change with ios 7?

140