Conquer Breakpoints with React&#s useBreakpoints Hook

When building modern web applications, responsive design that runs smoothly on all screen sizes is not a nice-to-have, but an essential feature. A good way to achieve this is to handle mobile and desktop views separately. This is where useBreakpoints hooks come into play! It is a useful tool for developers to create user-friendly experiences on various devices.

What is a useBreakpointshook?

The

useBreakpoints hook is a custom React hook that leverages Material-UI's useTheme and useMediaQuery hooks. It determines the current screen size so you can decide what to display or how to style it based on whether the user is on a phone or a computer.

Why use useBreakpoints?

1. Better User Experience: By customizing the interface for mobile and desktop users, you can ensure everyone gets the best experience. Mobile users see a simple and smooth design, while desktop users can enjoy a more detailed layout.
2. Simpler code: No need to spread media queries all over the CSS file. useBreakpointsHooks allow you to handle reactive logic directly in your components, making your code easier to read and maintain.
3. Faster Performance: By displaying only the content required for a specific screen size, you reduce unnecessary loading of data, making your application faster.
4. Project Consistency: Using useBreakpoints hooks in your project can maintain consistency and help new team members get started quickly.

How to use useBreakpointshook

Here is a quick start guide on how to set up and use useBreakpoints hooks in a React application.

Step 1: Set up the hook

First, create a custom hook using Material-UI's useTheme and useMediaQuery to determine the screen size.

<code class="language-javascript">import { useMediaQuery, useTheme } from '@mui/material';

/**
 * 自定义钩子，根据主题获取断点的当前状态。
 */
export const useBreakpoints = () => {
  const theme = useTheme();

  const isMd = useMediaQuery(theme.breakpoints.only('md'));

  return {
    isMd,
  };
};</code>

Step 2: Use Hooks

Now use the useBreakpoints hook in a component to display different layouts for mobile and desktop users. For example, you can use the Material-UI component to display a list for mobile users and a table for desktop users.

<code class="language-javascript">import React from 'react';
import { useBreakpoints } from '/Users/jack/Work/SGInnovate/frontend/packages/shared/ui/utils/breakpoints';
import { Table, TableBody, TableCell, TableContainer, TableHead, TableRow, List, ListItem, Paper } from '@mui/material';

const ResponsiveComponent = () => {
  const { isMdDown } = useBreakpoints();

  const data = [
    { id: 1, name: 'Item 1', value: 'Value 1' },
    { id: 2, name: 'Item 2', value: 'Value 2' },
    { id: 3, name: 'Item 3', value: 'Value 3' },
  ];

  return (
    <div>
      {isMdDown ? (
        <List>
          {data.map((item) => (
            <ListItem key={item.id}>{item.name}: {item.value}</ListItem>
          ))}
        </List>
      ) : (
        <TableContainer component={Paper}>
          <Table>
            <TableHead>
              <TableRow>
                <TableCell>Name</TableCell>
                <TableCell>Value</TableCell>
              </TableRow>
            </TableHead>
            <TableBody>
              {data.map((item) => (
                <TableRow key={item.id}>
                  <TableCell>{item.name}</TableCell>
                  <TableCell>{item.value}</TableCell>
                </TableRow>
              ))}
            </TableBody>
          </Table>
        </TableContainer>
      )}
    </div>
  );
};

export default ResponsiveComponent;</code>

That’s it! Using useBreakpoints hooks, you can easily make your application responsive and user-friendly.

Summary

useBreakpointsHooks are a simple yet powerful tool that make managing responsive design in React much easier. By customizing your UI for different screen sizes, you can create a seamless experience for your users while keeping your code simple and maintainable. Whether you're building a complex web application or a simple website, this hook can help you deliver polished, professional results. So, give it a try and see how your apps adapt like a pro!

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