navigatorIOS onRightButtonPress 如何出发更新state

Question

跟这个问题差不多

onRightButtonPress 如何更新下一个组件的state

class Cell extends Component{

  onResultsRef(resultsViewRef) {
    console.log(resultsViewRef);
    this._resultsView = resultsViewRef;// 这个地方赋值了
  }
  render(){

    return(
      <TouchableOpacity
        style={{height: 75, backgroundColor:'white', flexDirection:'row'}}
        onPress={()=>{
          this.props.navigator.push({
            component: shipDateInfo,
            title: '船期详情',
            passProps: {id: this.props.item.id.toString(), ref: this.onResultsRef,},
            navigationBarHidden: false,
            tintColor:'#444444',
            leftButtonIcon: {uri:'icon_huijiantou', scale: 2},
            onLeftButtonPress:()=>{
              this.props.navigator.pop();
            },
            rightButtonIcon: {uri: 'icon_zf', scale:2},
            onRightButtonPress:() => {
              this._resultsView && this._resultsView.showModal() // 这里打印是undefined
            }
          })

        }}
      >

        <View style={{width: width / 5 * 3, height: 75}}>
          <View style={{flexDirection:'row'}}>
            <Text style={{color: '#999999', marginTop: 17, marginLeft:12}}>空船期</Text>
            <Image style={{width:14, height:14, marginLeft:12, marginTop:19}} source={{uri:'icon_shijian'}}/>
            <Text style={{color: '#333333', marginTop: 17, marginLeft:6}}>{this.props.item.emptyBeginDate}</Text>
          </View>

          <View style={{flexDirection:'row'}}>
            <Text style={{color: '#999999', marginTop: 17, marginLeft:12}}>空船港</Text>
            <Text style={{color: '#333333', marginTop: 17, marginLeft:6}}>{this.props.item.emptyPortName}</Text>
          </View>

        </View>

        <View style={{ height: 75}}>
          <View>
            <Text style={{color: '#333333', marginTop: 17}}>{this.props.item.shipTypeName}</Text>
          </View>
          <View>
            <Text style={{color: '#333333', marginTop: 17}}>{this.props.item.deadweightTonnage}吨</Text>
          </View>
        </View>
      </TouchableOpacity>
    )
  }
}

Answer 1

已经解决了, this变了.弄个变量接受一下this, 下面取值的时候用自己定义的this就好了