Add basic react-navigator usage

src/App.tsx

@@ -0,0 +1,147 @@
+/**
+ * Sample React Native App
+ * https://github.com/facebook/react-native
+ *
+ * Generated with the TypeScript template
+ * https://github.com/react-native-community/react-native-template-typescript
+ *
+ * @format
+ */
+
+import React from 'react';
+import {
+  SafeAreaView,
+  ScrollView,
+  StatusBar,
+  StyleSheet,
+  Text,
+  Button,
+  useColorScheme,
+  View,
+} from 'react-native';
+import { NavigationContainer } from '@react-navigation/native';
+import { createNativeStackNavigator, NativeStackScreenProps } from '@react-navigation/native-stack';
+
+import {
+  Colors,
+  DebugInstructions,
+  Header,
+  LearnMoreLinks,
+  ReloadInstructions,
+} from 'react-native/Libraries/NewAppScreen';
+
+type RootStackParamList = {
+  Home: undefined;
+  Profile: { name: string };
+};
+const Stack = createNativeStackNavigator();
+
+const Section: React.FC<{
+  title: string;
+}> = ({children, title}) => {
+  const isDarkMode = useColorScheme() === 'dark';
+  return (
+    <View style={styles.sectionContainer}>
+      <Text
+        style={[
+          styles.sectionTitle,
+          {
+            color: isDarkMode ? Colors.white : Colors.black,
+          },
+        ]}>
+        {title}
+      </Text>
+      <Text
+        style={[
+          styles.sectionDescription,
+          {
+            color: isDarkMode ? Colors.light : Colors.dark,
+          },
+        ]}>
+        {children}
+      </Text>
+    </View>
+  );
+};
+
+const HomeScreen = ({ navigation }: NativeStackScreenProps<RootStackParamList, 'Home'>) => {
+  const isDarkMode = useColorScheme() === 'dark';
+
+  const backgroundStyle = {
+    backgroundColor: isDarkMode ? Colors.darker : Colors.lighter,
+  };
+  return (
+    <SafeAreaView style={backgroundStyle}>
+      <StatusBar barStyle={isDarkMode ? 'light-content' : 'dark-content'} />
+      <ScrollView
+        contentInsetAdjustmentBehavior="automatic"
+        style={backgroundStyle}>
+        <Header />
+        <View
+          style={{
+            backgroundColor: isDarkMode ? Colors.black : Colors.white,
+          }}>
+          <Section title="Step One">
+            Edit <Text style={styles.highlight}>App.tsx</Text> to change this
+            screen and then come back to see your edits.
+            <Button
+              title="Go to Jane's profile"
+              onPress={() => navigation.navigate('Profile', {name: 'Jane'})}
+            />
+          </Section>
+          <Section title="See Your Changes">
+            <ReloadInstructions />
+          </Section>
+          <Section title="Debug">
+            <DebugInstructions />
+          </Section>
+          <Section title="Learn More">
+            Read the docs to discover what to do next:
+          </Section>
+          <LearnMoreLinks />
+        </View>
+      </ScrollView>
+    </SafeAreaView>
+  )
+}
+
+const ProfileScreen = ({ navigation, route }: NativeStackScreenProps<RootStackParamList, 'Profile'>) => {
+  return <Text>This is {route.params.name}'s profile</Text>;
+};
+
+const App = () => {
+
+  return (
+    <NavigationContainer>
+      <Stack.Navigator>
+        <Stack.Screen
+          name="Home"
+          component={HomeScreen}
+          options={{ title: 'Welcome' }}
+        />
+        <Stack.Screen name="Profile" component={ProfileScreen} />
+      </Stack.Navigator>
+    </NavigationContainer>
+  );
+};
+
+const styles = StyleSheet.create({
+  sectionContainer: {
+    marginTop: 32,
+    paddingHorizontal: 24,
+  },
+  sectionTitle: {
+    fontSize: 24,
+    fontWeight: '600',
+  },
+  sectionDescription: {
+    marginTop: 8,
+    fontSize: 18,
+    fontWeight: '400',
+  },
+  highlight: {
+    fontWeight: '700',
+  },
+});
+
+export default App;