How to show Toast Message in Flutter

Introduction

Flutter is a popular framework for building mobile applications. It provides a wide range of features and widgets that make it easy to create user-friendly and interactive apps. One of the most commonly used features in mobile apps is the toast message, which is a small, non-intrusive message that appears on the screen to notify the user of something. In this article, we will discuss how to show a toast message in Flutter.

Table of Contents

What is a Toast Message

A toast message is a small, temporary message that appears on the screen to notify the user of something. It is usually used to notify the user of a successful or failed operation, such as saving data or logging in.

How to Show Toast Message in Flutter

To show a toast message in Flutter, you can use the `fluttertoast` package. Here is an example of how to use it:

“`dart

import ‘package:flutter/material.dart’;

import ‘package:fluttertoast/fluttertoast.dart’;

class ToastMessageExample extends StatefulWidget {

@override

ToastMessageExampleState createState() => ToastMessageExampleState();

}

class _ToastMessageExampleState extends State {

@override

Widget build(BuildContext context) {

return Scaffold(

body: Center(

child: ElevatedButton(

child: Text(‘Show Toast Message’),

onPressed: () {

Fluttertoast.showToast(

msg: ‘This is a toast message’,

toastLength: Toast.LENGTH_SHORT,

gravity: ToastGravity.CENTER,

timeInSecForIosWeb: 1,

backgroundColor: Colors.red,

textColor: Colors.white,

fontSize: 16.0,

);

}

“`

Customizing Toast Message

You can customize the toast message to suit your needs. You can change the background color, text color, font size, and more. Here is an example of how to customize the toast message:

“`dart

Fluttertoast.showToast(

msg: ‘This is a customized toast message’,

toastLength: Toast.LENGTH_SHORT,

gravity: ToastGravity.CENTER,

timeInSecForIosWeb: 1,

backgroundColor: Colors.blue,

textColor: Colors.white,

fontSize: 18.0,

);

“`

Best Practices

Here are some best practices to keep in mind when using toast messages in Flutter:

Use toast messages sparingly and only when necessary.
Keep the message short and concise.
Use a consistent design throughout the app.
Make sure the message is accessible to all users, including those with disabilities.

Conclusion

Toast messages are a great way to notify users of something in your Flutter app. By using the `fluttertoast` package, you can easily show toast messages that are customizable and accessible. Remember to use toast messages sparingly and only when necessary, and to keep the message short and concise.

FAQ

1. What is the purpose of a toast message in Flutter?

A toast message is used to notify the user of something, such as a successful or failed operation.

2. How do I show a toast message in Flutter?

You can use the `fluttertoast` package to show a toast message in Flutter.

3. Can I customize the toast message in Flutter?

Yes, you can customize the toast message by changing the background color, text color, font size, and more.

4. How long does a toast message stay on the screen in Flutter?

A toast message stays on the screen for a short period of time, usually 1-2 seconds.

5. Are toast messages accessible to all users in Flutter?

Yes, toast messages can be made accessible to all users, including those with disabilities, by using a consistent design and making sure the message is readable.