zlF*_*ast 16 javascript reactjs react-native
例如,我有一个城镇列表.我需要创建像 这样
如何创建它(适用于Android和IOS)?我应该在哪里储存它?
G. *_*ide 28
好的,所以基于你给我们的小信息,我试着做一个快速的例子(根本没有设计)你可以在这里找到
我会让你做造型.
从子文件中读取数据:检查一下
代码如下:
'use strict';
var React = require('react-native');
var {
AppRegistry,
Component,
StyleSheet,
Text,
TextInput,
ListView,
View,
} = React;
var adresses = [
{
street: "1 Martin Place",
city: "Sydney",
country: "Australia"
},{
street: "1 Martin Street",
city: "Sydney",
country: "Australia"
}
];
var ds = new ListView.DataSource({rowHasChanged: (r1, r2) => r1 !== r2});
class SampleApp extends Component {
constructor(props) {
super(props);
this.state = {
searchedAdresses: []
};
};
searchedAdresses = (searchedText) => {
var searchedAdresses = adresses.filter(function(adress) {
return adress.street.toLowerCase().indexOf(searchedText.toLowerCase()) > -1;
});
this.setState({searchedAdresses: searchedAdresses});
};
renderAdress = (adress) => {
return (
<View>
<Text>{adress.street}, {adress.city}, {adress.country}</Text>
</View>
);
};
render() {
return (
<View style={styles.container}>
<TextInput
style={styles.textinput}
onChangeText={this.searchedAdresses}
placeholder="Type your adress here" />
<ListView
dataSource={ds.cloneWithRows(this.state.searchedAdresses)}
renderRow={this.renderAdress} />
</View>
);
};
}
var styles = StyleSheet.create({
container: {
flex: 1,
justifyContent: 'center',
alignItems: 'center',
backgroundColor: '#FFFFFF',
},
textinput: {
marginTop: 30,
backgroundColor: '#DDDDDD',
height: 40,
width: 200
}
});
AppRegistry.registerComponent('SampleApp', () => SampleApp);
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