React native React Native-将参数传递给自定义导航器组件的同级
我有如下所示的自定义导航器React native React Native-将参数传递给自定义导航器组件的同级,react-native,react-navigation,react-navigation-stack,React Native,React Navigation,React Navigation Stack,我有如下所示的自定义导航器 const HomeStackNavigator = createStackNavigator({ Home: HomeScreen, List: ListScreen, Details: DetailsScreen }, { initialRouteName: 'Home', defaultNavigationOptions: { header: null, }
const HomeStackNavigator = createStackNavigator({
Home: HomeScreen,
List: ListScreen,
Details: DetailsScreen
},
{
initialRouteName: 'Home',
defaultNavigationOptions: {
header: null,
}
});
export default class CustomHomeStack extends React.Component {
static router = HomeStackNavigator.router;
render() {
const { navigation } = this.props;
return (
<SafeAreaView style={{ flex: 1 }} forceInset={{ bottom: 'never' }}>
<CustomHomeHeader /* breadCrumbParam={??} */ />
<HomeStackNavigator navigation={navigation} />
</SafeAreaView >
);
}
}
const HomeStackNavigator=createStackNavigator({
主页:主屏幕,
列表:列表屏幕,
详细信息:详细信息屏幕
},
{
initialRouteName:“主页”,
默认导航选项:{
标题:null,
}
});
导出默认类CustomHomeStack扩展React.Component{
静态路由器=HomeStackNavigator.router;
render(){
const{navigation}=this.props;
返回(
);
}
}
导航到列表或详细信息时,我可以将参数传递到下一个屏幕this.props.navigation.navigate('List',{breadCrumbParam:{id:theId,displayName:theName}}}})
我还需要将相同的参数传递给
CustomHomeHeader
。(类似于通过道具将参数传递给父/同级组件)。这可能吗?好的,所以您需要做一些更改,
1.在导航堆栈中添加CustomHomeStack
2.将数据从主页传递到homestack
3.在homestack中从主页接收数据,并作为道具传递给CustomHomeHeader
因此,下面的代码将是
const HomeStackNavigator = createStackNavigator({
Home: HomeScreen,
List: ListScreen,
Details: DetailsScreen,
CustomHomeStack:CustomHomeStack
},
{
initialRouteName: 'Home',
defaultNavigationOptions: {
header: null,
}
});
然后在家里,假设你想调用button clikc上的homestack
class Home extends Component{
onButtonClick(){
this.props.navigation.push('CustomHomeStack', { breadCrumbParam: 100 })
}
}
然后,在customhomestack中,您需要使用导航参数,并通过存储在状态将其传递给customgheader:
class CustomHomeStack extends Component {
constructor(props){
super(props);
this.state={
breadCrumbId:''
}
}
componentDidMount(){
let breadCrumb = this.props.navigation.getParam("breadCrumbParam", "NO-ID");
this.setState({breadCrumbId:breadCrumb})
}
render() {
const { navigation } = this.props;
return (
<SafeAreaView style={{ flex: 1 }} forceInset={{ bottom: 'never' }}>
<CustomHomeHeader breadCrumbParam={this.state.breadCrumbId} />
<HomeStackNavigator navigation={navigation} />
</SafeAreaView >
);
}
}
类CustomHomeStack扩展组件{
建造师(道具){
超级(道具);
这个州={
面包屑标:“”
}
}
componentDidMount(){
让breadCrumb=this.props.navigation.getParam(“breadCrumbParam”,“NO-ID”);
this.setState({breadCrumbId:breadCrumb})
}
render(){
const{navigation}=this.props;
返回(
);
}
}
希望能有帮助。否则,发布问题有点不清楚。就像您想要做的一样,将数据作为道具传递给customehomeheader或其他东西?是的。将数据作为道具从主屏幕、列表屏幕和详细信息屏幕传递到
CustomHomeHeader
,就像您在上面的
中所做的那样,有什么问题吗?没有。我需要将面包屑参数传递给CustomHeader,但不知道如何将其从主屏幕传递到CustomHomeStack