Reactnative 如何在底部标签导航中添加顶部标签

你好，我想添加底部选项卡页内的顶部选项卡 所以我想要屏幕，而不是底部的选项卡标题， 我想要显示可以移动到另一个屏幕的顶部选项卡，

这是我的零食代码屏幕:https://snack.expo.dev/@aza1200/material-top-tabs-navigator-%7C-react-navigation

import * as React from 'react';
import { Text, View } from 'react-native';
import { NavigationContainer } from '@react-navigation/native';
import { createBottomTabNavigator } from '@react-navigation/bottom-tabs';
import { createMaterialTopTabNavigator } from '@react-navigation/material-top-tabs';

function FeedScreen() {
  return (
    <View style={{ flex: 1, justifyContent: 'center', alignItems: 'center' }}>
      <Text>Feed!</Text>
    </View>
  );
}

function NotificationsScreen() {
  return (
    <View style={{ flex: 1, justifyContent: 'center', alignItems: 'center' }}>
      <Text>Notifications!</Text>
    </View>
  );
}


const TopTab = createMaterialTopTabNavigator();
const BottomTab = createBottomTabNavigator();

const TopTabNavigator = () => {
  <TopTab.Navigator >
    <TopTab.Screen name="Post Room" component={FeedScreen} />
    <TopTab.Screen name="Rooms" component={NotificationsScreen} />
  </TopTab.Navigator>
}

export const App = () => {
  return (
    <NavigationContainer>
      <BottomTab.Navigator screenOptions={{headerShown: false}}>
        <TopTab.Screen name="Top Tabs will" component={TopTabNavigator} />
        <BottomTab.Screen name="Rooms" component={NotificationsScreen} />
      </BottomTab.Navigator>
    </NavigationContainer>
  )
}


export default App; 

这是我的代码和 这将是非常有帮助的，如果有人让我知道如何修复以下代码. 谢谢.