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oktatas:telefon:react_native:navigacio:native_stack

< Navigáció

Expo - Native Stack

Bevezetés

Projekt létrehozása

npx create-expo-app app01
cd app01
npx expo install react-dom react-native-web @expo/webpack-config

Probléma fixálása

app.sjon
{
  "expo": {
    "web": {
      "bundler": "metro"
    }
  }
}
npx expo install @expo/metro-runtime

Native Stack telepítés

npm install @react-navigation/native-stack

Minőségbiztosítás példa

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>
  );
}
oktatas/telefon/react_native/navigacio/native_stack.txt · Utolsó módosítás: 2024/01/21 13:44 szerkesztette: admin