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Mobile Development with React Native

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Which properties are available in the object

returned by the

useWindowDimensions() hook?

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What is the purpose of the set()

method in the

Dimensions API?

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Consider the following

code snippet:

What will the value of the isLandscape variable be if the device is in landscape mode?

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How to get the full width of the device using the Dimensions API?

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Which event is triggered when there is a change

in screen dimensions using the Dimensions API?

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How can you limit the number of times the useEffect hook is executed?

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What happens if the dependencies array is empty in the useEffect hook?

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Which prop allows for defining a component to render in case the list is empty?

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This prop is a function. The result of the function is used for caching and to track item re-ordering. 

Please, select what prop this is about.

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Do we need to use keyExtractor property when the DATA array is the data source for a FlatList component, and why?

const DATA = [

  {

    id: 'bd7acbea-c1b1-46c2-aed5-3ad53abb28ba',

    title: 'First Item',

  },

  {

    id: '3ac68afc-c605-48d3-a4f8-fbd91aa97f63',

    title: 'Second Item',

  },

  {

    id: '58694a0f-3da1-471f-bd96-145571e29d72',

    title: 'Third Item',

  },

];
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