flutter_dtmf 0.0.3

Generates DTFM Tones for Flutter Applications. You can change the Sampling Rate to get a different output for iOS.

example/lib/main.dart

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

import 'package:flutter/services.dart';
import 'package:flutter_dtmf/flutter_dtmf.dart';

void main() => runApp(MyApp());

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';

  @override
  void initState() {
    super.initState();

  }


  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Center(
          child: RaisedButton(child: Text("Play DTMF"),onPressed: ()async {
            await FlutterDtmf.playTone(digits: "#", samplingRate: 8000);
          },)
        ),
      ),
    );
  }
}