React-native navigation

React Native Navigation: A Brief Overview

React Native Navigation is a crucial aspect of mobile app development using React Native. It involves managing the navigation flow within the application, allowing users to move between different screens seamlessly. React Navigation is a popular library for achieving this in React Native projects.

Key Features of React Navigation:

1. StackNavigator:
   React Navigation provides the StackNavigator, allowing you to manage navigation through a stack of screens. This is commonly used for scenarios like navigating from a login screen to a home screen.

2. TabNavigator:
   TabNavigator is another essential feature, enabling the creation of a bottom tab bar for easy navigation between distinct sections of your app. This is useful for organizing content or features into separate tabs.

3. DrawerNavigator:
   For applications that require a side menu for navigation, React Navigation offers the DrawerNavigator. This is often used to house additional options or settings in a sliding drawer.

Example: Creating Two Pages with React Navigation

Let's create a simple React Native app with two pages: Home and Profile.

Install React Navigation:

npm install @react-navigation/native @react-navigation/stack

App.js:

import React from 'react';
import { NavigationContainer } from '@react-navigation/native';
import { createStackNavigator } from '@react-navigation/stack';
import HomeScreen from './screens/HomeScreen';
import ProfileScreen from './screens/ProfileScreen';

const Stack = createStackNavigator();

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

export default App;

HomeScreen.js:

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

const HomeScreen = () => {
  return (
    <View>
      <Text>Welcome to the Home Screen!</Text>
    </View>
  );
};

export default HomeScreen;

ProfileScreen.js:

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

const ProfileScreen = () => {
  return (
    <View>
      <Text>This is the Profile Screen</Text>
    </View>
  );
};

export default ProfileScreen;

This example provides a basic setup for React Navigation with two screens, allowing users to navigate between the Home and Profile screens effortlessly.

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