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App.js
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App.js
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//This is an example code for FlatList//
import React from 'react';
//import react in our code.
import { StyleSheet, FlatList, Text, View, Alert } from 'react-native';
//import all the components we are going to use.
export default class App extends React.Component {
constructor(props) {
super(props);
this.state = {
FlatListItems: [
{ id: '1', value: 'A' },
{ id: '2', value: 'B' },
{ id: '3', value: 'C' },
{ id: '4', value: 'D' },
{ id: '5', value: 'E' },
{ id: '6', value: 'F' },
{ id: '7', value: 'G' },
{ id: '8', value: 'H' },
{ id: '9', value: 'I' },
{ id: '10', value: 'J' },
{ id: '11', value: 'K' },
{ id: '12', value: 'L' },
{ id: '13', value: 'M' },
{ id: '14', value: 'N' },
{ id: '15', value: 'O' },
{ id: '16', value: 'P' },
{ id: '17', value: 'Q' },
{ id: '18', value: 'R' },
{ id: '19', value: 'S' },
{ id: '20', value: 'T' },
{ id: '21', value: 'U' },
{ id: '22', value: 'V' },
{ id: '23', value: 'W' },
{ id: '24', value: 'X' },
{ id: '25', value: 'Y' },
{ id: '26', value: 'Z' },
],
};
}
FlatListItemSeparator = () => {
return (
//Item Separator
<View
style={{ height: 0.5, width: '100%', backgroundColor: '#C8C8C8' }}
/>
);
};
GetItem(item) {
//Function for click on an item
Alert.alert(item);
}
render() {
return (
<View style={styles.MainContainer}>
<FlatList
data={this.state.FlatListItems}
//data defined in constructor
ItemSeparatorComponent={this.FlatListItemSeparator}
//Item Separator View
renderItem={({ item }) => (
// Single Comes here which will be repeatative for the FlatListItems
<View>
<Text
style={styles.item}
onPress={this.GetItem.bind(
this,
'Id : ' + item.id + ' Value : ' + item.value
)}>
{item.value}
</Text>
</View>
)}
/>
</View>
);
}
}
const styles = StyleSheet.create({
MainContainer: {
justifyContent: 'center',
flex: 1,
marginLeft: 10,
marginRight: 10,
marginBottom: 10,
marginTop: 30,
},
item: {
padding: 10,
fontSize: 18,
height: 44,
},
});