Example of onLongPress on TouchableOpacity in React Native

Introduction

This is an Example of onLongPress on TouchableOpacity in React Native. As the topic name describes itself, we will set onLongPress on TouchableOpacity button. This is a very common thing that we experience in our daily use like we use to get edit or delete option on long-press of any list element or a button. In this example, we will generate an alert on long clicking of a button.

onLongPress Using

onLongPress={this.handlerLongClick}

So Let’s get started with onLongPress in TouchableOpacity.

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.

Code

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

App.js

/*This is an Example of LongPress on Button Using TouchableOpacity*/
import React, { Component } from 'react';
//import react in our project
import { StyleSheet, View, Alert, TouchableOpacity, Text } from 'react-native';
//import all the components we will need in our project

export default class App extends Component {
  handlerLongClick = () => {
    //handler for Long Click
    Alert.alert(' Button Long Pressed');
  };
  handlerClick = () => {
    //handler for Long Click
    Alert.alert(' Button Long Pressed');
  };
  render() {
    return (
      <View style={styles.containerMain}>
        <TouchableOpacity
          onLongPress={this.handlerLongClick}
          onPress={this.handlerClick}
          //Here is the trick
          activeOpacity={0.6}
          style={styles.button}>
          <Text style={styles.TextStyle}> LONG PRESS THE BUTTON </Text>
        </TouchableOpacity>
      </View>
    );
  }
}

const styles = StyleSheet.create({
  containerMain: {
    flex: 1,
    justifyContent: 'center',
    padding: 20,
    alignItems: 'center',
  },

  button: {
    width: '80%',
    height: 40,
    justifyContent: 'center',
    backgroundColor: '#EE5407',
  },

  TextStyle: {
    color: '#fff',
    textAlign: 'center',
    fontSize: 16,
  },
});

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

IOS

     

Android

      

Output in Online Emulator

This is how you can add Long Press on TouchableOpacity. 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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