Example to make Section List in React Native

Section List in React Native

This is an example to make Section List in React Native. Section List is a list of sections and headings. It is among the simple but mostly used components. This example will be helpful for you to understand how to use Section List in React Native. You can also check FlatList example for the Simple list.

To Import Section List in React Native Code

import {SectionList} from 'react-native'

Render Using

     ItemSeparatorComponent={Separator View} 
     sections={Section Data} 
     renderSectionHeader={({ section }) => (Header View)} 
     renderItem={({ item }) => (Single Item View)} 
     keyExtractor={(item, index) => index} 

In this example, we will make a list of country names with the header of their initials. So let’s get started.

To Make a React Native App

Getting started with React Native will help you to know more about the way you can make a React Native project. We are going to use react-native init to make our React Native App. Assuming that you have node installed, you can use npm to install the react-native-cli command line utility. Open the terminal and go to the workspace and run

npm install -g react-native-cli

Run the following commands to create a new React Native project

react-native init ProjectName

If you want to start a new project with a specific React Native version, you can use the --version argument:

react-native init ProjectName --version X.XX.X
react-native init ProjectName --version react-native@next

This will make a project structure with an index file named App.js in your project directory.


Open App.js in any code editor and replace the code with the following code


//This is an example code for SectionList//
import React, { Component } from 'react';
//import react in our code. 
import { StyleSheet , View , SectionList , Text , Platform , Alert} from 'react-native';
//import all the components we are going to use. 

export default class App extends Component<{}> {
  GetSectionListItem = item => {
    //Function for click on an item
  FlatListItemSeparator = () => {
    return (
      //Item Separator
      <View style={{height: 0.5, width: '100%', backgroundColor: '#C8C8C8'}}/>
  render() {
    var A = [{'id':'1','value':'Afghanistan'}, {'id':'2','value':'Afghanistan'},
    var B = [{'id':'4','value':'Benin'}, {'id':'5','value':'Bhutan'}, 
             {'id':'6','value':'Bosnia'}, {'id':'7','value':'Botswana'}, 
             {'id':'8','value':'Brazil'}, {'id':'9','value':'Brunei'}, 
    var C = [{'id':'11','value':'Cambodia'}, {'id':'12','value':'Cameroon'}, 
             {'id':'13','value':'Canada'}, {'id':'14','value':'Cabo'}];
    return (
      <View style={{ marginTop: Platform.OS == 'ios' ? 20 : 30 }}>
            { title: 'Section Head For Data A', data: A },
            { title: 'Section Head For Data B', data: B },
            { title: 'Section Head For Data C', data: C },
          renderSectionHeader={({ section }) => (
            <Text style={styles.SectionHeaderStyle}> {section.title} </Text>
          renderItem={({ item }) => (
            // Single Comes here which will be repeatative for the FlatListItems
              //Item Separator View
                     'Id: '+item.id+' Name: '+item.value)}>
          keyExtractor={(item, index) => index}

const styles = StyleSheet.create({
  SectionHeaderStyle: {
    backgroundColor: '#CDDC89',
    fontSize: 20,
    padding: 5,
    color: '#fff',
  SectionListItemStyle: {
    fontSize: 15,
    padding: 15,
    color: '#000',
    backgroundColor: '#F5F5F5',

To Run the React Native App

Open the terminal again and jump into your project using.
cd ProjectName
To run the project on an Android Virtual Device or on real debugging device
react-native run-android
or on the iOS Simulator by running
react-native run-ios (macOS only).

Output Screenshots





Output in Online Emulator

This is how you can make a SectionList. If you have any doubts or you want to share something about the topic you can comment below or contact us here. There will be more posts coming soon. Stay tuned!

Hope you liked it. 🙂

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