How to change opecity of mui backdrop in react js?

Hi Friends 👋,

Welcome To aGuideHub!

To change opecity of mui backdrop in react js, you can set background-color: rgba(0, 0, 0, 0.2); to MuiBackdrop-root. it will change opecity of mui backdrop in React JS.

Today, I am going to show you, How to change opecity of mui backdrop in react js

Installation

Install the following packages to use mui backdrop in react js.

npm

npm install @mui/material @emotion/react @emotion/styled

yarn

yarn add @mui/material @emotion/react @emotion/styled

Table of contents

• Install MUI and create a new React app.
• Import Material-UI backdrop.
• Use the backdrop Component

Step 1: Install MUI and create a new React app.

First you have to install the React project. You should use create-react-app command to create a new React project.

npx create-react-app my-app
cd my-app
npm start

Step 2: Import Material-UI backdrop.

After installing MUI, you have to import your React component. To do this, add the following line to the top of your component file.

import * as React from "react";
import Backdrop from "@mui/material/Backdrop";
import CircularProgress from "@mui/material/CircularProgress";
import Button from "@mui/material/Button";
import "./styles.css";

Step 3: Use the backdrop Component.

The Backdrop signals a state change within the application and can be used for creating loaders, dialogs, and more. In its simplest form, the Backdrop component will add a dimmed layer over your application.

<Backdrop
  sx={{ opecity: "#fff", zIndex: (theme) => theme.zIndex.drawer + 1 }}
  open={open}
  onClick={handleClose}
>
  <CircularProgress opecity="inherit" />
</Backdrop>  

MUI material change opecity of mui backdrop example.

The below code is an example, you need to import Backdrop Component. Then, you can create a backdrop and you can use background-color: rgba(0, 0, 0, 0.2);. Then it will change opecity of mui backdrop in react js.

App.js

import * as React from "react";
import Backdrop from "@mui/material/Backdrop";
import CircularProgress from "@mui/material/CircularProgress";
import Button from "@mui/material/Button";
import "./styles.css";

export default function SimpleBackdrop() {
  const [open, setOpen] = React.useState(false);
  const handleClose = () => {
    setOpen(false);
  };
  const handleOpen = () => {
    setOpen(true);
  };

  return (
    <div>
      <Button onClick={handleOpen}>Show backdrop</Button>
      <Backdrop
        sx={{ color: "#fff", zIndex: (theme) => theme.zIndex.drawer + 1 }}
        open={open}
        onClick={handleClose}
      >
        <CircularProgress color="inherit" />
      </Backdrop>
    </div>
  );
}

App.css

.MuiBackdrop-root {
  background-color: rgba(0, 0, 0, 0.2);
} 

In the above code example, I have used the @mui/material component and changed opecity of mui backdrop in react js.

Check the output of the above code example.

Here, we are provided code sandbox links for the above program change opecity of mui backdrop in react js. Then you can use whenever you want and do the changes as per your requirements.

Try it Yourself

All the best 👍