React Native 基础篇之 ListView 九宫格实现

/**
 * Sample React Native App
 * https://github.com/facebook/react-native
 * @flow
 */

import React, { Component } from 'react';
import {
  AppRegistry,
  StyleSheet,
  TextInput,
  ListView,
  TouchableOpacity,
  Image,
  ScrollView,
  Text,
  Alert,
  View
} from 'react-native';
//导入数据
import ShareData from "./shareData.json";
//获取屏幕宽度
let Dimensions = require("Dimensions");
let {width} = Dimensions.get('window');
//常量设置
let cols = 3;
let cellWH =100;
let vMargin = (width-cellWH*cols)/(cols+1);
let hMargin = 20;


export default class listViewSpeedDial extends Component {
 
 constructor(props){
  super(props);
  //1.设置数据源
  let ds = new ListView.DataSource({rowHasChanged: (r1, r2) => r1 !== r2});
  //2.设置返回数据
  this.state = {dataSource:ds.cloneWithRows(ShareData.data)};
  thiz = this;
 }

  render() {
    return (
      contentContainerStyle={styles.listViewStyle}
     />
    );
  }

  _renderRow(rowData, sectionID, rowID, highlightRow){
     return(
    {thiz._onPress(rowData.title)}}>
    
      
      {rowData.title}
    
    
    );
  }

  _onPress(e) {

    alert(">>>点击 "+e);
  }

}


const styles = StyleSheet.create({
  listViewStyle:{
    flexDirection:'row',
    flexWrap:'wrap',
  },
  iconStyle:{
    width:80,
    height:80,
  },
  innerViewStyle:{
    width:cellWH,
    height:cellWH,
    marginLeft:vMargin,
    marginTop:hMargin,
    alignItems:'center',
  }
});

代码 链接：http://pan.baidu.com/s/1eSpCz4I 密码：18z4