React Native OnChange Event Example
Apr 01, 2021 . Admin
Hi Guys,
In this blog, I will explain you how to use on change event in react native. You can easily use on change event in react native. First i will create new fuction writeText
Here, I will give you full example for simply display on change event using react native as bellow.
Step 1 - Create project In the first step Run the following command for create project.expo init onChangeStep 2 - App.js
In this step, You will open App.js file and put the code.
import React, { Component } from 'react'; import { TextInput, StyleSheet, View , Text} from 'react-native'; export default class ButtonBasics extends Component { _writeText() { alert('Hello') } render() { return ( <View style={styles.container}> <Text style={styles.textinfo}> React Native onChange Event Example MyWebtuts.com </Text> <View style={styles.buttonContainer}> <TextInput style={styles.formcontrol} placeholder="Type here!" autoFocus={true} onChange={this._writeText} /> </View> </View> ); } } const styles = StyleSheet.create({ container: { flex: 1, justifyContent: 'center', backgroundColor: '#e1e1e1', }, buttonContainer: { margin: 15, width: 320, justifyContent: 'center', }, textinfo:{ fontSize: 25, marginTop: 20, marginLeft: 20, textAlign: 'center', }, formcontrol:{ borderWidth: 2, padding: 10, borderRadius: 5, } });Step 3 - Run project
In the last step run your project using bellow command.
npm startOutput
It will help you...