Creare toast in Flutter con fluttertoast

fluttertoast è un package per Flutter specializzato nella creazione di toast.

E' compatibile con Linux, iOS e Web.

Per installarlo:

flutter pub add fluttertoast

Qui sotto un esempio:

import 'package:flutter/material.dart';
import 'package:fluttertoast/fluttertoast.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Test',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key});

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  late FToast fToast;

  Widget toast = Container(
    padding: const EdgeInsets.symmetric(
      horizontal: 24.0,
      vertical: 12.0,
    ),
    decoration: BoxDecoration(
      borderRadius: BorderRadius.circular(25.0),
      color: Colors.greenAccent,
    ),
    child: const Row(
      mainAxisSize: MainAxisSize.min,
      children: [
        Icon(Icons.check),
        SizedBox(
          width: 12.0,
        ),
        Text("This is a Custom Toast"),
      ],
    ),
  );

  @override
  void initState() {
    super.initState();
    fToast = FToast();
  }

  void showColoredToast() {
    Fluttertoast.showToast(
      msg: "Toast",
      toastLength: Toast.LENGTH_LONG,
      backgroundColor: Colors.red,
      gravity: ToastGravity.TOP,
      textColor: Colors.white,
    );
  }

  void showCustomToast() {
    fToast.showToast(
      child: toast,
      gravity: ToastGravity.BOTTOM,
      toastDuration: const Duration(seconds: 2),
    );
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text("Toast"),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            ElevatedButton(
              onPressed: () {
                showColoredToast();
              },
              child: const Text("Flutter Toast"),
            ),
            const SizedBox(
              height: 24.0,
            ),
            ElevatedButton(
              onPressed: () {
                showCustomToast();
              },
              child: const Text("Custom Flutter Toast"),
            ),
          ],
        ),
      ),
    );
  }
}

Enjoy!