Installation

using npm

1npm install @se09deluca/react-native-component-inview

using Yarn

1yarn add @se09deluca/react-native-component-inview

Usage

1import InView from '@se09deluca/react-native-component-inview'
2
3const [isInView, setIsInView] = useState(false)
4
5const checkVisible = (isVisible:boolean) => {
6  if (isVisible){
7    setIsInView(isVisible)
8  } else {
9    setIsInView(isVisible)
10  }
11}
12
13<ScrollView>
14  <InView onChange={(isVisible) => this.checkVisible(isVisible)}>
15    <View style={[styles.item, {backgroundColor: isInView ? 'yellow' : '#f9c2ff'}]}>
16      <Text>This View is currently visible? {isInView ? 'yes': 'no'}</Text>
17    </View>
18  </InView>
19</ScrollView>
20
21// ...

Demo