react-navigation的回调方法callback

screenA

 const DEMO_TOKEN = await AsyncStorage.getItem('id_token');  if (DEMO_TOKEN === null) {    this.props.navigation.navigate('screenB', {      onGoBack: () => this.refresh(),    });    return -3;  } else {    this.doSomething();  }refresh() {  this.doSomething();}

screenB

 await AsyncStorage.setItem('id_token', myId);this.props.navigation.state.params.onGoBack();this.props.navigation.goBack();