import React, { Component } from 'react'; import {
      Platform,     StyleSheet,     Text,     View,     ScrollView,     RefeshControl } from 'react-native'; /* * ScrollView的简单实现 * 实现监测拖拽 ,滑动的相关方法 * * 1.添加几个子组件(3个) * * 2.实现相关方法,并赋给ScrollView * 3.下拉刷新  refreshControl 菊花 * */ var MyScrollView = React.createClass({
      _onScrollBeginDrag:function () {
          console.log("开始拖拽")     },     _onScrollEndDrag:function () {
          console.log("结束拖拽")     },     _onMomentumScrollBegin:function () {
          console.log("开始滑动")     },     _onMomentumScrollEnd:function () {
          console.log("滑动结束")     },     _onRefresh:function () {
          console.log("刷新");     },     render:function () {
          return(             
                     
     
                           }                 >                     
                           
                           
                       
                  
             );     } }); var styles = StyleSheet.create({
      container:{
          flex:1,         backgroundColor:"cyan"     },     scrollView:{
          marginTop:25,         backgroundColor:"#CCCCCC"     },     view_1:{
          margin:15,         flex:1,         height:300,         backgroundColor:"yellow"     },     view_2:{
          margin:15,         flex:1,         height:300,         backgroundColor:"blue"     },     view_3:{
          margin:15,         flex:1,         height:300,         backgroundColor:"green"     }, });