App.js

import { useState } from 'react';
import { StyleSheet } from 'react-native';
import { NavigationContainer } from '@react-navigation/native';
import { ThemeProvider } from '@rneui/themed';
import { createStackNavigator } from '@react-navigation/stack';
import WelcomeScreen from './screens/WelcomeScreen';
import LoginScreen from './screens/LoginScreen';
import TabNavigator from './screens/TabNavigator';

const Stack = createStackNavigator();

export default function App() {
  return (
    <NavigationContainer>
      <ThemeProvider>
        <Stack.Navigator>
          <Stack.Screen
            name="Welcome"
            component={WelcomeScreen}
            options={{ headerShown: false }}
          />
          <Stack.Screen
            name="Login"
            component={LoginScreen}
            options={{ headerShown: false }}
          />
          <Stack.Screen
            name="HomeTab"
            component={TabNavigator}
            options={{ headerShown: false }}
          /> 
        </Stack.Navigator>
      </ThemeProvider>
    </NavigationContainer>
  );
}