import MJRefresh,{ScrollView} from 'react-native-mjrefresh'//rn>=0.55
//import MJRefresh,{ScrollView} from 'react-native-mjrefresh-lower'//rn<=0.54
 
//该ScrollView兼容官方所有的属性和方法，refreshControl也可以使用官方的RefreshControl
  state={
        text:'下拉刷新'
    }
  render() {
    return (
        <ScrollView
            refreshControl={
              <MJRefresh
                  ref={ref=>this._mjrefresh = ref}
                  onRefresh={
                  ()=>{
                      this.setState({
                          text:'正在刷新'
                      })
                      console.log('onRefresh')
                      setTimeout(()=>{
                          this._mjrefresh && this._mjrefresh.finishRefresh();
                      },1000)
                  }
                  }
                  onRefreshIdle={()=>console.log('onRefreshIdle')}
                  onReleaseToRefresh={()=>{
                      this.setState({
                          text:'释放刷新'
                      })
                  }}
                  onPulling={e=>{
                      if(e.nativeEvent.percent<0.1){
                          this.setState({
                              text:'下拉刷新'
                          })
                      }
                  }}
              >
                <View style={{height:100,backgroundColor:'red',
                    justifyContent:'center',
                    alignItems:'center',flexDirection:'row'
                }}>
                  <Text>{this.state.text}</Text>
                </View>
              </MJRefresh>
            }
        >
          <View style={{flex:1,height:1000,backgroundColor:'#ddd'}}>
          </View>
        </ScrollView>
    );
  }

   ({nativeEvent: {percent:number}})=>void;

   beginRefresh();

   finishRefresh();