React Native navigation: React Navigation examples and tutorial

Editor’s note: This React Native navigation tutorial was last updated in January 2021 to include information about the most recent stable React Navigation release, React Navigation 5.0.

Mobile apps are made up of multiple screens. When building mobile apps, of primary concern is how to handle a user’s navigation through the app — e.g., the presentation of the screens and the transitions between them.

React Navigation is one of the most well-known navigation libraries available for React. In this tutorial, we’ll go through the basics of React Native navigation, show you how to get started using React Navigation in a React Native app, and walk through some React Native navigation examples.

We’ll cover the following:

• What is React Navigation?
• React Navigation 5.0
• What is React Native Navigation?
• Installing React Navigation
• The React Native stack navigator
• React Native navigation examples
  • Using the stack navigator to navigate between screen components
  • Using tab navigation in React Navigation
  • Using drawer navigation in React Navigation
  • Passing parameters to screens in React Navigation

What is React Navigation?

React Navigation is a standalone library that enables you to implement navigation functionality in a React Native application.

React Navigation is written in JavaScript and does not directly use the native navigation APIs on iOS and Android. Rather, it recreates some subset of those APIs. This allows for integration of third-party JS plugins, maximum customization, and easier debugging, with no need to learn Objective-C, Swift, Java, Kotlin, etc.

React Navigation 5.0

The most stable version of React Navigation at the time of writing is React Navigation 5.0, released in February 2020. According to the React Navigation blog, the latest release aimed to make the core React Navigation library and API more dynamic.

Key changes and new features included in React Navigation 5.0 include:

• Dynamic, component-based configuration
• New hooks for common use cases, including useNavigation, useRoute, and useNavigationState
• A new setOptions method that makes configuring screen navigation options more intuitive
• Revamped theme system for easier customization
• First-class autocompletion and type-checking with TypeScript
• Redux DevTools integration
• Native stack navigator that uses native navigation primitives for navigation using react-native-screens
• New backends for Material top tab navigator based on react-native-viewpager and ScrollView

What is React Native Navigation?

React Native Navigation is a popular alternative to React Navigation. It’s a module that is dependent on and designed to be used with React Native. React Native Navigation differs slightly in that it directly uses native navigation APIs on iOS and Android, which allows for a more native look and feel.

For a more detailed exploration of the differences between React Navigation and React Native Navigation, check out “React Navigation vs. React Native Navigation: Which is right for you?”

We made a custom demo for .
No really. Click here to check it out.

Click here to see the full demo with network requests

Installing React Navigation

Assuming you have Yarn installed, the first step is to set up a React Native app. The easiest way to get started with React Native is with Expo tools because they allow you to start a project without installing and configuring Xcode or Android Studio.

Install Expo by running this:

npm install -g expo-cli

If you encounter any error on Mac, try running it this way:

sudo npm install --unsafe-perm -g expo-cli

Then run the following to create a new React Native project:

expo init ReactNavigationDemo

This will kickstart some downloads and ask you to enter some configuration variables. Select expo-template-blank and choose yarn for the dependency installation, as shown below:

Next, cd into the project folder and open your code editor:

cd ReactNavigationDemo

If you are using VS Code, you can open the current folder in the editor using:

code .

Start the app with:

yarn start

The next step is to install the react-navigation library in your React Native project:

yarn add react-navigation

The React Native stack navigator

React Navigation is built with JavaScript and lets you create components and navigation patterns that look and feel like truly native ones.

React Navigation uses what’s called a stack navigator to manage the navigation history and presentation of the appropriate screen based on the route taken by a user inside the app. Only one screen is presented to a user at a given time.

Imagine a stack of paper; navigating to a new screen places it on top of the stack, and navigating back removes it from the stack. The stack navigator also provides the transitions and gestures that feel like those of native iOS and Android. Note that an app can have more than one stack navigator.

React Native navigation examples

In this section, we’ll explore some examples of React Native navigation patterns and how to achieve them using the React Navigation library.

1. Using stack navigator to navigate between screen components

Let’s begin by first creating a /components folder in the root of our project. Then we create two files namely Homescreen.js and Aboutscreen.

// Homescreen.js
import React, { Component } from 'react';
import { Button, View, Text } from 'react-native';
import { createStackNavigator, createAppContainer } from 'react-navigation';

export default class Homescreen extends Component {
  render() {
    return (
      <View style={{ flex: 1, alignItems: 'center', justifyContent: 'center' }}>
        <Text>Home Screen</Text>
          <Button
          title="Go to About"
          onPress={() => this.props.navigation.navigate('About')}
/>
      </View>
    )
  }
}

Note the onPress prop of the button above — we’ll explain what it does later.

// Aboutscreen.js
import React, { Component } from 'react';
import { Button, View, Text } from 'react-native';
import { createStackNavigator, createAppContainer } from 'react-navigation';

export default class Aboutscreen extends Component {
  render() {
    return (
      <View style={{ flex: 1, alignItems: 'center', justifyContent: 'center' }}>
        <Text>About Screen</Text>
      </View>
    )
  }
}

Your project folder should look like what’s shown in the image below:

Let’s also make some changes to App.js. We’ll import what we need from react-navigation and implement our navigation there.

It is useful to implement our navigation in the root App.js file because the component exported from App.js is the entry point (or root component) for a React Native app, and every other component is a descendant.

As you will see, we will encapsulate every other component inside the navigation functions.

// App.js
import React from 'react';
import { StyleSheet, Text, View } from 'react-native';
import { createStackNavigator, createAppContainer } from "react-navigation";

import HomeScreen from './components/HomeScreen';
import AboutScreen from './components/AboutScreen';


export default class App extends React.Component {
  render() {
    return <AppContainer />;
  }
}

const AppNavigator = createStackNavigator({
  Home: {
    screen: HomeScreen
  },
  About: {
    screen: AboutScreen
  }
});

const AppContainer = createAppContainer(AppNavigator);

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#fff',
    alignItems: 'center',
    justifyContent: 'center',
  },
});

In the code above, createStackNavigator provides a way for our app to transition between screens, where each new screen is placed on top of a stack. It is configured to have the familiar iOS and Android look and feel: new screens slide in from the right on iOS and fade in from the bottom on Android.

We pass in a route configuration object to the createStackNavigator function. The Home route corresponds to the HomeScreen, and the About route corresponds to AboutScreen.

Note that an optional, more concise way of writing the route configuration is the { screen: HomeScreen } configuration format.

Also, we can optionally add another options object, as specified by the API. If we wanted to indicate which is the initial route, we can add a separate object:

const AppNavigator = createStackNavigator({
  Home: {
    screen: HomeScreen
  },
  About: {
    screen: AboutScreen
  }
},{
        initialRouteName: "Home"
});

Note that the Home and About route name-value pairs are enclosed by an overall route object. The options object isn’t enclosed but is a separate object.

The createStackNavigator function passes behind the scenes, a navigate prop to the HomeScreen and AboutScreen components. The navigate prop allows for navigation to a specified screen component. This is why we are able to use it on a button at HomeScreen.js, which, when pressed, leads to the AboutScreen page, as shown below.

<Button title="Go to About" 
onPress={() => this.props.navigation.navigate('About')}
/>

In the App.js code, we finally created an app container using const AppContainer = createAppContainer(AppNavigator);. This container manages navigation state.

To run the app, you’ll need to download the Expo client app. You can get the ‎iOS and Android versions. Make sure your command line is pointed to the project folder and run the following command.

npm start

You should see a QR code displayed on the terminal. Scan the QR code with the Expo app on Android, and for the iOS app, you can scan using the normal iPhone camera, which will prompt you with a command to click to open the Expo app.

2. Using tab navigation

Most mobile apps have more than one screen. A common style of navigation in such mobile apps is tab-based navigation. Here we will focus on how to implement tab navigation using createBottomTabNavigator.

Let’s add another screen in our app by creating a ContactScreen.js file under /components.

import React, { Component } from 'react'

export default class ContactScreen extends Component {
  render() {
    return (
      <View style={{ flex: 1, alignItems: 'center', justifyContent: 'center' }}>
        <Text>Contact Screen</Text>
      </View>
    )
  }
}

Now let’s add to the imports at the top of our App.js file:

import ContactScreen from './components/ContactScreen';

Recall that it is useful to implement our navigation in the root App.js component. Therefore, we will implement our tab navigation by importing createBottomTabNavigator in App.js. Let’s replace createStackNavigator:

import { createBottomTabNavigator, createAppContainer } from "react-navigation";

Also replace createStackNavigator with createBottomTabNavigator in the AppNavigator object:

const AppNavigator = createBottomTabNavigator({
  Home: {
    screen: HomeScreen
  },
  About: {
    screen: AboutScreen
  }
}, {
  initialRouteName: "Home"
});

Add the new screen to the navigator object:

const AppNavigator = createBottomTabNavigator({
  Home: {
    screen: HomeScreen
  },
  About: {
    screen: AboutScreen
  },
  Contact: {
    screen: ContactScreen
  }
}, {
  initialRouteName: "Home"
});

If you run the app with npm start and open it on your Expo client, you should see the bottom nav implemented.

3. Using drawer navigation

To immediately begin implementing drawer navigation, replace createBottomTabNavigator in the code with createDrawerNavigator.

Let’s start at the import statements:

import { createDrawerNavigator, createAppContainer } from "react-navigation";

Let’s also update the AppNavigator variable:

const AppNavigator = createDrawerNavigator({
  Home: {
    screen: HomeScreen
  },
  About: {
    screen: AboutScreen
  },
  Contact: {
    screen: ContactScreen
  }
}, {
    initialRouteName: "Home"
  });

If you npm start, you should be able to see the changes right away. Swipe from the left to see the drawer navigation.

You can customize your drawer navigation by adding icons beside the route names. In the assets folder of this project, there are currently three icons:

We can customize by adding navigationOptions to the following screen component files:

// in HomeScreen.js

import React, { Component } from 'react';
import { Button, View, Text, Image, StyleSheet } from 'react-native';
import { createStackNavigator, createAppContainer } from 'react-navigation';

export default class HomeScreen extends Component {

  static navigationOptions = {
    drawerLabel: 'Home',
    drawerIcon: ({ tintColor }) => (
      <Image
        source={require('../assets/home-icon.png')}
        style={[styles.icon, { tintColor: tintColor }]}
      />
    ),
  };

  render() {
    return (
      <View style={{ flex: 1, alignItems: 'center', justifyContent: 'center' }}>
        <Text>Home Screen</Text>
        <Button
          title="Go to About"
          onPress={() => this.props.navigation.navigate('About')}
        />
      </View>
    )
  }
}

const styles = StyleSheet.create({
  icon: {
    width: 24,
    height: 24,
  }
});

// in AboutScreen.js

import React, { Component } from 'react';
import { Button, View, Text, Image, StyleSheet } from 'react-native';
import { createStackNavigator, createAppContainer } from 'react-navigation';

export default class AboutScreen extends Component {

  static navigationOptions = {
    drawerLabel: 'About',
    drawerIcon: ({ tintColor }) => (
      
    ),
  };
  render() {
    return (
      
        About Screen
      
    )
  }
}

const styles = StyleSheet.create({
  icon: {
    width: 24,
    height: 24,
  }
});

// in ContactScreen.js

import React, { Component } from 'react';
import { Button, View, Text, Image, StyleSheet } from 'react-native';

export default class ContactScreen extends Component {

  static navigationOptions = {
    drawerLabel: 'Contact',
    drawerIcon: ({ tintColor }) => (
      
    ),
  };

  render() {
    return (
      
        Contact Screen
      
    )
  }
}

const styles = StyleSheet.create({
  icon: {
    width: 24,
    height: 24,
  }
});

The tintColor prop lets you apply any color based on active or inactive states of navigation tabs and labels. For example, we can change the active state color for our nav drawer labels. Go to the AppNavigator variable and add to the options object:

const AppNavigator = createDrawerNavigator({
  Home: {
    screen: HomeScreen
  },
  About: {
    screen: AboutScreen
  },
  Contact: {
    screen: ContactScreen
  }
}, {
    initialRouteName: "Home",
      contentOptions: {
        activeTintColor: '#e91e63'
     }
  });

This results in a change of color:

Passing parameters to screens in React Navigation

There are two simple steps to pass params to routes:

1. Pass params to a route by putting them in an object as a second parameter to the navigation.navigate function:

   this.props.navigation.navigate('RouteName', { /* params go here */ })

2. Read the params in your screen component:

   this.props.navigation.getParam(paramName, defaultValue)

Conclusion

I hope that this article will jumpstart your use of the React Navigation package in your existing or future React Native projects.

There’s a lot more that can be done, and React Navigation will meet most of your needs.

To learn more, check out the React Navigation documentation and feel free to grab the final code from my GitHub repo.

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