How to use Dropdown in React Native?

Hi Guys,

This article will provide example of react native dropdown example. this example will help you how to use dropdown in react native. you can understand a concept of how to create dropdown in react native. if you have question about dropdown example in react native then I will give simple example with solution. Follow bellow tutorial step of how to implement dropdown in react native.

In this example I will create a dropdown. I will first create an object to render data in the dropdown. Then I will use the dropdown component. This component will store the object in data props. after then drowdown component listing a data.

Let's start following example:

Step 1: Download Project

In the first step run the following command to create a project.

expo init ExampleApp

Step 2: Installation and Setup

First, you need to install them in your project:

npm install react-native-element-dropdown --save

You install vector icons to set the icon in the Dropdown:

npm i react-native-vector-icons

you have use any bundled Icon:

import this:

import AntDesign from 'react-native-vector-icons/AntDesign';

Step 3: App.js

In this step, You will open the App.js file and put the code.

import React from 'react';
import { StatusBar, StyleSheet, Text, View } from 'react-native';
import { Dropdown } from 'react-native-element-dropdown';
import AntDesign from 'react-native-vector-icons/AntDesign';

const DATA = [
    { label: 'React Naive', value: '1' },
    { label: 'Javascript', value: '2' },
    { label: 'Laravel', value: '3' },
    { label: 'PHP', value: '4' },
    { label: 'jQuery', value: '5' },
    { label: 'Bootstrap', value: '6' },
    { label: 'HTML', value: '7' },
    { label: 'CSS', value: '8' },
];

const App = () => {
    const [value, setValue] = React.useState(null);
    const [Focus, setFocus] = React.useState(false);

    const renderLabelItem = () => {
        if (value || Focus) {
            return (
                <Text style={[styles.label, Focus && { color: 'blue' }]}>
                    Dropdown label
                </Text>
            );
        }
        return null;
    };

    return (
        <View style={styles.container}>
            {renderLabelItem()}
            <Dropdown
                data={DATA}
                style={[styles.dropdown, Focus && { borderColor: 'blue' }]}
                placeholderStyle={styles.placeholderStyle}
                selectedTextStyle={styles.selectedTextStyle}
                inputSearchStyle={styles.inputSearchStyle}
                iconStyle={styles.iconStyle}
                search
                maxHeight={300}
                labelField="label"
                valueField="value"
                placeholder={!Focus ? 'Select item' : '...'}
                searchPlaceholder="Search..."
                value={value}
                onFocus={() => setFocus(true)}
                onBlur={() => setFocus(false)}
                onChange={item => {
                    setValue(item.value);
                    setFocus(false);
                }}
                renderLeftIcon={() => (
                    <AntDesign
                        style={styles.icon}
                        color={Focus ? 'blue' : 'black'}
                        name="Safety"
                        size={20}
                    />
                )}
            />
            <StatusBar />
        </View>
    );
}

const styles = StyleSheet.create({
    container: {
        backgroundColor: 'white',
        paddingTop: 30,
    },
    dropdown: {
        height: 50,
        borderColor: 'gray',
        borderWidth: 0.5,
        borderRadius: 8,
        paddingHorizontal: 8,
    },
    icon: {
        marginRight: 5,
    },
    label: {
        position: 'absolute',
        backgroundColor: 'white',
        left: 22,
        top: 20,
        zIndex: 999,
        paddingHorizontal: 8,
        fontSize: 14,
    },
    placeholderStyle: {
        fontSize: 16,
    },
    selectedTextStyle: {
        fontSize: 16,
    },
    iconStyle: {
        width: 20,
        height: 20,
    },
    inputSearchStyle: {
        height: 40,
        fontSize: 16,
    },
});

export default App;

Run Project

In the last step run your project using the below command.

expo start

You can QR code scan in Expo Go Application on mobile.

Output :

It will help you...