refreshcontrol.android.js

'use strict';

const React =require('react-native');
const {
    AppRegistry,
    ScrollView,
    StyleSheet,
    RefreshControl,
    Text,
    View,
    } = React;

const styles =StyleSheet.create({
  row: {
    borderColor: 'red',
    borderWidth: 5,
    padding: 20,
    backgroundColor: '#3a5795',
    margin: 5,
  },
  text: {
    alignSelf: 'center',
    color: '#fff',
  },
  scrollview: {
    flex: 1,
  },
});

const Row =React.createClass({
  _onClick: function() {
    this.props.onClick(this.props.data);
  },
  render: function() {
    return (
        <View style={styles.row}>
          <Text style={styles.text}>
            {this.props.data.text}
          </Text>
        </View>
    );
  },
});

const android_rn = React.createClass({
  getInitialState() {
    return {
      isRefreshing: false,
      loaded: 0,
      rowData: Array.from(new Array(20)).map(
          (val, i) => ({text:'初始行 ' + i})),
    };
  },
  render() {
    const rows = this.state.rowData.map((row,ii) => {
      return <Row key={ii} data={row}/>;
    });
    return (
        <ScrollView
            style={styles.scrollview}
            refreshControl={
          <RefreshControl
           refreshing={this.state.isRefreshing}
            onRefresh={this._onRefresh}
            colors={['#ff0000', '#00ff00','#0000ff','#3ad564']}
           progressBackgroundColor="#ffffff"
          />
        }>
          {rows}
        </ScrollView>
    );
  },
  _onRefresh() {
    this.setState({isRefreshing: true});
    setTimeout(() => {
      // 准备下拉刷新的5条数据
      const rowData = Array.from(new Array(5))
          .map((val, i) => ({
            text: '刷新行 ' + (+this.state.loaded + i)
          }))
          .concat(this.state.rowData);

      this.setState({
        loaded: this.state.loaded + 5,
        isRefreshing: false,
        rowData: rowData,
      });
    }, 5000);
  },
});

AppRegistry.registerComponent('android_rn',() => android_rn);