Created
May 20, 2019 02:55
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React native Ajax example
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| import React from 'react'; | |
| import { View, Text, Image, ActivityIndicator, StyleSheet, FlatList } from "react-native"; | |
| const initialState = { pictures: [] } | |
| class PictureList extends React.Component { | |
| constructor(props) { | |
| super(props); | |
| this.state = initialState; | |
| } | |
| async fetchPictures() { | |
| const api = 'https://picsum.photos/v2/list'; | |
| const fetchResponse = await fetch(api); | |
| const pictures = await fetchResponse.json(); | |
| this.setState({ pictures }); | |
| } | |
| componentDidMount() { | |
| this.fetchPictures(); | |
| } | |
| render() { | |
| const { pictures } = this.state; | |
| if (!pictures.length) { return (<ActivityIndicator />); } | |
| return ( | |
| <View> | |
| <FlatList data={pictures} renderItem={({item}) => ( | |
| <View style={styles.container} key={item.id}> | |
| <Image style={styles.image} source={{uri: item.download_url}} /> | |
| </View> | |
| )} keyExtractor={(item, id) => item.id}/> | |
| </View> | |
| ); | |
| } | |
| } | |
| const styles = StyleSheet.create({ | |
| container: { | |
| borderColor: '#ccc', | |
| borderWidth: 1, | |
| borderRadius: 5, | |
| backgroundColor: '#eaf7fd', | |
| marginBottom: 15, | |
| }, | |
| image: { | |
| margin: 5, | |
| borderRadius: 5, | |
| width: 300, | |
| height: 300, | |
| } | |
| }); | |
| export default PictureList; |
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