What are selectors in objective-c?


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More Apple iOS Interview Questions

What is view object in iOS operating system?

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How can a user respond or react to the state transitions on the app?

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What is difference between static library and framework?

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Which are the app’s state transitions when it is launched?

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How can we use NSOperation queue? what is the advantage of using it ?

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What is uiviewcontroller in ios?

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 Assume that system is running low on memory. What can system do for suspended apps?

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Which class will be subclassed in iOS operating system?

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How to install an iphone application for testing?

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How is it possible to improve battery life during execution of an application?

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Is it safe to update to ios 13?

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What is datasource in ios swift?

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