Created
October 7, 2018 14:51
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FlatList with some data
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class FlatListDemo extends Component { | |
state = { | |
loading: false, | |
data: [], | |
page: 1, | |
seed: 1, | |
error: false, | |
} | |
componentDidMount () { | |
this.setState({ loading: true }, () => this.makeRemoteRequest()); | |
} | |
makeRemoteRequest = async () => { | |
const { page, seed } = this.state; | |
const url = `https://randomuser.me/api/?seed=${seed}&page=${page}&results=20`; | |
try { | |
const response = await fetch(url); | |
const data = await response.json(); | |
this.setState( | |
{ | |
data: | |
page === 1 ? data.results : [...this.state.data, ...data.results], | |
error: data.error || null, | |
loading: false, | |
refreshing: false | |
}, | |
// () => this.searchFilterFunction("") | |
); | |
} catch (error) { | |
this.setState({ error, loading: false }); | |
} | |
} | |
_renderItem = ({item}) => ( | |
<View | |
style={{ | |
flexDirection: "row", | |
flex: 1 | |
}}> | |
<Image | |
style={{ width: 40, height: 40, borderRadius: 20, margin: 5 }} | |
source={{ uri: item.picture.thumbnail }} | |
resizeMethod={"resize"} /> | |
<View style={{ justifyContent: "center", marginLeft: 5 }}> | |
<Text>{`${item.name.first} ${item.name.last}`}</Text> | |
<Text>{item.email}</Text> | |
</View> | |
</View> | |
) | |
_keyExtractor = (item, index) => item.email | |
render(){ | |
return( | |
<FlatList | |
data={this.state.data} | |
renderItem={this._renderItem} | |
keyExtractor={this._keyExtractor} | |
/> | |
) | |
} | |
} |
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