Expo - Native Stack

• Szerző: Sallai András
• Copyright © 2024, Sallai András
• Licenc: CC Attribution-Share Alike 4.0 International
• Web: https://szit.hu

Webhely:

• https://reactnavigation.org/docs/native-stack-navigator (2024)

npx create-expo-app app01

cd app01

npx expo install react-dom react-native-web @expo/webpack-config

app.sjon

{
  "expo": {
    "web": {
      "bundler": "metro"
    }
  }
}

npx expo install @expo/metro-runtime

npm install @react-navigation/native-stack

App.js

import { Button, View, Text } from 'react-native';
import { NavigationContainer } from '@react-navigation/native';
import { createNativeStackNavigator } from '@react-navigation/native-stack';
 
function HomeScreen({ navigation }) {
  return (
    <View style={{ flex: 1, alignItems: 'center', justifyContent: 'center' }}>
      <Text>Minőség</Text>
      <Button
        title="Kezdés"
        onPress={() => navigation.navigate('Subject')}
      />
    </View>
  );
}
 
function SubjectScreen({ navigation }) {
  return (
    <View style={{ flex: 1, alignItems: 'center', justifyContent: 'center' }}>
      <Button
        title="Tanárok"
        onPress={() => navigation.navigate('Teacher')}
      />
      <Button title="Vissza" onPress={() => navigation.goBack()} />
    </View>
  );
}
 
function TeacherScreen({ navigation }) {
  return (
    <View style={{ flex: 1, alignItems: 'center', justifyContent: 'center' }}>
      <Button
        title="Kérdések"
        onPress={() => navigation.navigate('Questions')}
      />
      <Button title="Vissza" onPress={() => navigation.goBack()} />
    </View>
  );
}
 
function QuestionsScreen({ navigation }) {
  return (
    <View style={{ flex: 1, alignItems: 'center', justifyContent: 'center' }}>
      <Button title="Vissza" onPress={() => navigation.goBack()} />
    </View>
  );
}
 
const Stack = createNativeStackNavigator();
 
function QualityStack() {
  return (
    <Stack.Navigator>      
      <Stack.Screen name="Home" component={HomeScreen} />
      <Stack.Screen name="Teacher" component={TeacherScreen} />
      <Stack.Screen name="Subject" component={SubjectScreen} />
      <Stack.Screen name="Questions" component={QuestionsScreen} />
    </Stack.Navigator>
  );
}
 
export default function App() {
  return (
    <NavigationContainer>
      <QualityStack />
    </NavigationContainer>
  );
}