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May 14, 2017 14:06
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| /** | |
| * Sample React Native App | |
| * https://github.com/facebook/react-native | |
| * @flow | |
| */ | |
| import React, { Component } from 'react'; | |
| import { | |
| AppRegistry, | |
| StyleSheet, | |
| Text, | |
| View, | |
| TextInput, | |
| ListView, | |
| TouchableOpacity | |
| } from 'react-native'; | |
| const ds = new ListView.DataSource({ | |
| rowHasChanged: (r1, r2) => r1 !== r2 | |
| }) | |
| const data = ['Add item', 'Delete item'] | |
| class Project extends Component { | |
| state = { | |
| dataSource: ds.cloneWithRows(data) | |
| } | |
| renderRow = (rowData, _, index) => { | |
| return ( | |
| <View style={styles.itemContainer} > | |
| <Text style={styles.item} >{rowData}</Text> | |
| <TouchableOpacity style={styles.btn} onPress={()=>{ | |
| data = data.filter((item, i) => i != index) | |
| this.setState({ | |
| dataSource: ds.cloneWithRows(data) | |
| }) | |
| }} > | |
| <Text style={styles.btnText}>Done</Text> | |
| </TouchableOpacity> | |
| </View> | |
| ) | |
| } | |
| onChangeText = (text) => { | |
| this.setState({ | |
| value: text | |
| }) | |
| } | |
| onSubmitEditing = () => { | |
| data = [this.state.value, ...data]; | |
| this.setState({ | |
| dataSource: ds.cloneWithRows(data), | |
| value: '' | |
| }) | |
| } | |
| render() { | |
| return ( | |
| <View style={styles.container}> | |
| <Text style={styles.welcome}> | |
| TODO | |
| </Text> | |
| <TextInput | |
| style={styles.textInput} | |
| placeholder='Add item todo' | |
| onChangeText={this.onChangeText} | |
| onSubmitEditing={this.onSubmitEditing} | |
| value={this.state.value} | |
| /> | |
| <ListView | |
| dataSource={this.state.dataSource} | |
| renderRow={this.renderRow} | |
| /> | |
| </View> | |
| ); | |
| } | |
| } | |
| const styles = StyleSheet.create({ | |
| container: { | |
| flex: 1, | |
| alignItems: 'stretch', | |
| backgroundColor: '#fff', | |
| }, | |
| welcome: { | |
| fontSize: 20, | |
| textAlign: 'center', | |
| marginTop: 22, | |
| }, | |
| instructions: { | |
| textAlign: 'center', | |
| color: '#333333', | |
| marginBottom: 5, | |
| }, | |
| textInput: { | |
| height: 50, | |
| padding: 8, | |
| borderWidth: 1, | |
| borderColor: '#eaeaea', | |
| margin: 8 | |
| }, | |
| itemContainer: { | |
| padding: 8, | |
| borderBottomWidth: 1, | |
| borderColor: '#eaeaea', | |
| flexDirection: 'row' | |
| }, | |
| item: { | |
| fontSize: 18, | |
| flex: 1 | |
| }, | |
| btn: { | |
| backgroundColor: 'red', | |
| justifyContent: 'center', | |
| alignItems: 'center', | |
| padding: 6 | |
| }, | |
| btnText: { | |
| color: 'white' | |
| } | |
| }); | |
| AppRegistry.registerComponent('Project', () => Project); |
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