ErrorSolvedTesting.dart

import 'dart:async';

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

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Toast Test',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  late Timer _timer;

  @override
  void initState() {
    super.initState();
    _timer = Timer.periodic(Duration(seconds: 1), (timer) {
      print("isCurrentlyShowingToast: ${Fluttertoast.isCurrentlyShowingToast}");
    });
  }

  @override
  void dispose() {
    _timer.cancel();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Flutter Toast Test'),
      ),
      body: Center(
        child: ElevatedButton(
          onPressed: () {
            Fluttertoast.showToast(
              msg: "This is Center Short Toast",
              toastLength: Toast.LENGTH_SHORT,
              gravity: ToastGravity.CENTER,
              timeInSecForIosWeb: 1,
              backgroundColor: Colors.red,
              textColor: Colors.white,
              fontSize: 16.0,
            );
          },
          child: Text('Show Toast'),
        ),
      ),
    );
  }
}