youtube link: Build and Deploy Your First Modern React Native App | NFT Marketplace Course - Extremely Easy! - YouTube

Getting started

npx create-expo-app nft-app
cd nft-app

create Stack Navigator

import { StatusBar } from 'expo-status-bar';
import { createStackNavigator } from '@react-navigation/stack';
import { NavigationContainer } from '@react-navigation/native';

import { StyleSheet, Text, View } from 'react-native';


const App=()=> {
  const Stack = createStackNavigator();

  return (
    <View style={styles.container}>
      <NavigationContainer>
      <Stack.Navigator>
        <Stack.Screen/>
        <Stack.Screen/>
      </Stack.Navigator>
      </NavigationContainer>
    </View>
  );
}


export default App;

creating theme add giving details

import { StatusBar } from 'expo-status-bar';
import { createStackNavigator } from '@react-navigation/stack';
import { NavigationContainer } from '@react-navigation/native';

import { StyleSheet, Text, View } from 'react-native';

const theme = {
  ...DefaultTheme,
  colors: {
    ...DefaultTheme.colors,
    background: "transparent",
  },
};
const App=()=> {
  const Stack = createStackNavigator();

  return (
    <View style={styles.container}>
     <NavigationContainer theme={theme}>
      <Stack.Navigator
        screenOptions={{
          headerShown: false,
        }}
        initialRouteName="Home"
      >
        <Stack.Screen name="Home" component={Home} />
        <Stack.Screen name="Details" component={Details} />
      </Stack.Navigator>
    </NavigationContainer>
    </View>
  );
}


export default App;