Created
May 24, 2019 10:12
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| const Tile = ({ id, url, onPress, isSelected }) => { | |
| <View | |
| source={url} | |
| onPress={onPress} | |
| /> | |
| } | |
| const staticData = [ | |
| { id: 1, url: 'someurl1' }, | |
| { id: 2, url: 'someurl2' } | |
| ] | |
| class List extends React.Compnent { | |
| state = { selectedIds: [] } | |
| handlePress = (id) => { | |
| const selectedIds = [...this.state.selectedIds, id] | |
| this.setState({ selectedIds }) | |
| } | |
| isSelected = (id) => selectedIds.includes(id) | |
| getData = () => { | |
| return staticData.map(({ id, url }) => ({ | |
| id, | |
| url, | |
| onPress: () => this.handlePress(id), | |
| isSelected: this.isSelected(id), | |
| }) | |
| } | |
| renderItem = ({ item }) => ( | |
| <Tile {...item}> | |
| ) | |
| render () => { | |
| return ( | |
| <FlatList | |
| data={this.getData()} | |
| renderItem={this.renderItem} | |
| /> | |
| ) | |
| } | |
| } |
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