What’s the difference between a file, a class and an activity in android?


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More Android OS Interview Questions

What are the four essential states of an activity?

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What are handlers?

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Which programming language is used for android app development?

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Which attribute will be used in xml if the java code needs a reference to view??

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What is proguard-rules.pro?

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What are the key components in android architecture?

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What is the risk in blocking the main thread when performing a lengthyoperation such as web access or heavy computation?

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 What are the core building blocks of android?

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Is the iphone better than android?

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What is api level, codename of android 5.0 – 5.1?

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What is a job scheduling?

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Can android version be updated?

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