React Native: How can I put a pop-up Modal into flatlist - react-native

Question

I've made a flatlist with a few data inside. I want to make a pop-up information for each item in the flatlist. So I tried putting Modal into the renderItem function but when it sets the modal state visible, it will show all of the information in my flatlist. I think it should be setting the modal visible state by id or something like that but I don't know how to do it. Any suggestion?
my renderItem:
function RenderItem({ item }) {
return (
<View>
<Modal
animationType='slide'
transparent={true}
visible={infoModal}>
<View style={styles.informationContainer}>
<View style={styles.informationBox}>
<Text>{item.file.displayName}</Text>
<Button title=' OK ' onPress={() => setInfoModal(false)} />
</View>
</View>
</Modal>
<TouchableOpacity style={styles.listBox} onPress={() => setInfoModal(true)}>
<View>
<Text numberOfLines={1} style={styles.listText}>{item.file.displayName}</Text>
<Text style={{ width: 200, color: 'rgba(0, 0, 0, 0.5)' }}>{item.certificateName}</Text>
</View>
<View style={{ flexDirection: 'row', justifyContent: 'center' }}>
<TouchableOpacity>
<Icon name='search' color='black' size={25} />
</TouchableOpacity>
<Text> </Text>
<TouchableOpacity onPress={() => handleDownload(item)}>
<Icon name='download' color='black' size={25} />
</TouchableOpacity>
<Text> </Text>
</View>
</TouchableOpacity>
</View>
)
}

Answer 1

Instead of setting a simple boolean value about whether the Modal should appear, you can set some sort of identifiable value that tells it what item to load (and otherwise leave it undefined).
Bare-bones example:
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',
},
];
export default function App() {
const [modalInfo, setModalInfo] = React.useState(undefined);
const renderItem = ({ item }) => (
<TouchableOpacity onPress={() => setModalInfo(item.title)}><Text>{item.title}</Text></TouchableOpacity>
);
return (
<View style={styles.container}>
<Modal visible={modalInfo !== undefined}>
<View style={[{borderWidth: 1},styles.centeredView]}>
<Text>{modalInfo}</Text>
<TouchableOpacity onPress={() => setModalInfo(undefined)}><Text>Close</Text></TouchableOpacity>
</View>
</Modal>
<FlatList
data={DATA}
renderItem={renderItem}
keyExtractor={item => item.id}
/>
</View>
);
}
const styles = StyleSheet.create({
centeredView: {
flex: 1,
justifyContent: "center",
alignItems: "center",
marginTop: 22
},
container: {
flex: 1,
justifyContent: 'center',
paddingTop: Constants.statusBarHeight,
backgroundColor: '#ecf0f1',
padding: 8,
},
});