If any app can run in the background, what about battery life?


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More Apple iOS Interview Questions

Can you please explain the difference between nsarray and nsmutablearray?

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. Why an app on iOS device behaves differently when running in foreground than in background? 

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What is closures in ios?

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What are the different delete rules that a relationship can have?

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Explain application states

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When an app is said to be in active state?

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What is mvc and mvvm in ios?

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Enlist the latest ios development patform?

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What are most ios apps written in?

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In a single model, can I have few entities in one sqlite db file and remaining in another sqlite db file?

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what are the new features in Xcode 6?

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What is the latest version of ios?

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