我遇到了在不同文件中的屏幕之间导航的问题;我假设这是由于不正确地将功能组件从一个文件导出到另一个文件。我为它创建了一个小吃:https://snack.expo.dev/@figbar/exportingbetweenscreens,并将代码粘贴在下面。本质上,如果 'DetailsScreen' 在 app.js 中,该项目将成为示例导航项目,并且可以正常工作,但是,当它在这个新文件中时,导航到的详细信息屏幕是空白的。
App.js:
import * as React from 'react';
import { Button,View,Text } from 'react-native';
import { NavigationContainer } from '@react-navigation/native';
import { createStackNavigator } from '@react-navigation/stack';
import {DetailsScreen} from './other';
function HomeScreen({ navigation }) {
return (
<View style={{ flex: 1,alignItems: 'center',justifyContent: 'center' }}>
<Text>Home Screen</Text>
<Button
title="Go to Details"
onPress={() => navigation.navigate('Details')}
/>
</View>
);
}
const Stack = createStackNavigator();
function App() {
return (
<NavigationContainer>
<Stack.Navigator initialRouteName="Home">
<Stack.Screen name="Home" component={HomeScreen} />
<Stack.Screen name="Details" component={DetailsScreen} />
</Stack.Navigator>
</NavigationContainer>
);
}
export default App;
other.js:
import * as React from 'react';
import { Button,Text } from 'react-native';
function DetailsScreen() {
return (
<View style={{ flex: 1,justifyContent: 'center' }}>
<Text>Details Screen</Text>
</View>
);
}
export default DetailsScreen;