App.js

import React from "react";
import Home from "./components/Home";
import Scanner from "./components/Scanner";
import History from "./components/History";
import { NavigationContainer } from "@react-navigation/native";
import { createStackNavigator } from "@react-navigation/stack";
const Stack = createStackNavigator();
const App = () => {
  return (
    <NavigationContainer>
      <Stack.Navigator>
        <Stack.Screen name="Home" component={Home} />
        <Stack.Screen name="Scanner" component={Scanner} />
        <Stack.Screen name="History" component={History} />
      </Stack.Navigator>
    </NavigationContainer>
  );
};

export default App;