Hello React Navigator

We need toadd required packages into our react native app

yarn add @react-navigation/native
yarn add react-native-screens react-native-safe-area-context

• android/app/src/main/java//MainActivity.java.

class MainActivity extends ReactActivity {
// ...
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(null);
}
// ...
}

and make sure to add the following import statement at the top of this file below your package statement:

import android.os.Bundle;

• then finaly we need dependency injection by wrapping whole app

import * as React from 'react';
import { NavigationContainer } from '@react-navigation/native';

export default function App() {
  return (
    <NavigationContainer>{/* Rest of your app code */}</NavigationContainer>
  );
}

-we need to remove SafeAreaView

yarn add @react-navigation/native

// In App.js in a new project

import * as React from "react";
import { View, Text } from "react-native";
import { NavigationContainer } from "@react-navigation/native";
import { createNativeStackNavigator } from "@react-navigation/native-stack";

function HomeScreen() {
  return (
    <View style={{ flex: 1, alignItems: "center", justifyContent: "center" }}>
      <Text>Home Screen</Text>
    </View>
  );
}

const Stack = createNativeStackNavigator();

function App() {
  return (
    <NavigationContainer>
      <Stack.Navigator>
        <Stack.Screen name="Home" component={HomeScreen} />
      </Stack.Navigator>
    </NavigationContainer>
  );
}

export default App;