What is React Navigation?
React Navigation is a popular library for routing and navigation in a React Native app.React Navigation is born from the React Native community's need for an extensible yet easy-to-use navigation solution written entirely in JavaScript
Features
1) Easy-to-use
Start quickly with built-in navigators that deliver a seamless out-of-the-box experience.
2) Components built for iOS and Android
Platform-specific look-and-feel with smooth animations and gestures.
3) Completely customizable
If you know how to write apps using JavaScript you can customize any part of React Navigation.
4) Extensible platform
React Navigation is extensible at every layer— you can write your own navigators or even replace the user-facing API.
Npm and Yarn Command
npm install --save react-navigation
yarn add react-navigation
Video for Reach Navigation