Material UI — Snack Bar Customization

Material UI is a Material Design library made for React. It’s a set of React components that have Material Design styles. In this article, we’ll look at how to customize snack bars with Material UI.

Material UI is a Material Design library made for React.

It’s a set of React components that have Material Design styles.

In this article, we’ll look at how to customize snack bars with Material UI.

Consecutive Snack Bars

We can display multiple snack bars consecutively with some logic.

For example, we can write:

import React from "react";
import Button from "@material-ui/core/Button";
import Snackbar from "@material-ui/core/Snackbar";
import IconButton from "@material-ui/core/IconButton";
import CloseIcon from "@material-ui/icons/Close";
export default function App() {
  const [snackPack, setSnackPack] = React.useState([]);
  const [open, setOpen] = React.useState(false);
  const [messageInfo, setMessageInfo] = React.useState(undefined);
  React.useEffect(() => {
    if (snackPack.length && !messageInfo) {
      setMessageInfo({ ...snackPack[0] });
      setSnackPack(prev => prev.slice(1));
      setOpen(true);
    } else if (snackPack.length && messageInfo && open) {
      setOpen(false);
    }
  }, [snackPack, messageInfo, open]);
  const handleClick = message => () => {
    setSnackPack(prev => [...prev, { message, key: new Date().getTime() }]);
  };
  const handleClose = (event, reason) => {
    if (reason === "clickaway") {
      return;
    }
    setOpen(false);
  };
  const handleExited = () => {
    setMessageInfo(undefined);
  };
  return (
    <div>
      <Button onClick={handleClick("Message A")}>Show A</Button>
      <Button onClick={handleClick("Message B")}>Show B</Button>
      <Snackbar
        open={open}
        autoHideDuration={6000}
        onClose={handleClose}
        onExited={handleExited}
        message={messageInfo ? messageInfo.message : undefined}
        action={
          <React.Fragment>
            <Button color="secondary" size="small" onClick={handleClose}>
              foo
            </Button>
            <IconButton color="inherit" onClick={handleClose}>
              <CloseIcon />
            </IconButton>
          </React.Fragment>
        }
      />
    </div>
  );
}

The snackPack state has the items to display.

We set the message with setMessageInfo .

This is done in the useEffect callback.

When a button is clicked, then the old message is removed from the snackPack with setSnackPack and then we add the new one.

The handleClick function lets us change the message .

Now when we click the button, then old is gone and the new one is displayed.

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