React Native Login Page Code

How To Articles

React Native is a fantastic framework that allows us to build mobile apps using JavaScript. With its cross-platform capabilities, we can write code once and deploy it on both iOS and Android devices. One crucial aspect of any mobile app is the login page, which allows users to securely access their accounts. In this article, I will dive deep into the code for a React Native login page and provide personal commentary along the way.

The Structure

Before we delve into the code, let’s discuss the structure of our login page. Typically, a login page consists of two main elements: an input field for the user to enter their credentials and a button to submit those credentials. Additionally, we may want to include features like password visibility toggle and social media login options.

Setting Up the Project

To begin, we need to set up a new React Native project. Open your terminal and run the following command:

npx react-native init LoginApp

This command initializes a new React Native project called ‘LoginApp’ in your current directory. Once the project is set up, navigate into the project folder:

cd LoginApp

Creating the Login Page

Now, let’s create a new file called ‘LoginPage.js’ in the ‘src’ folder of our project. This file will contain the code for our login page. Open the file and import the necessary dependencies:


import React, { useState } from 'react';
import { View, TextInput, Button } from 'react-native';

Next, define a functional component called ‘LoginPage’ and declare a couple of state variables using the ‘useState’ hook:


const LoginPage = () => {
const [username, setUsername] = useState('');
const [password, setPassword] = useState('');

// Rest of the code...
}

Inside the component, we can now render the login page using the ‘View’, ‘TextInput’, and ‘Button’ components:


return (