flutter_audio_capture 1.1.8

Capture the audio buffer stream through microphone for iOS/Android.

example/lib/main.dart

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

import 'package:flutter_audio_capture/flutter_audio_capture.dart';

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

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

class _MyAppState extends State<MyApp> {
  FlutterAudioCapture _plugin = new FlutterAudioCapture();

  @override
  void initState() {
    super.initState();
    // Need to initialize before use note that this is async!
    _plugin.init();
  }

  Future<void> _startCapture() async {
    await _plugin.start(listener, onError, sampleRate: 16000, bufferSize: 3000);
  }

  Future<void> _stopCapture() async {
    await _plugin.stop();
  }

  void listener(dynamic obj) {
    print(obj);
  }

  void onError(Object e) {
    print(e);
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Flutter Audio Capture Plugin'),
        ),
        body: Column(children: [
          Expanded(
              child: Row(
            children: [
              Expanded(
                  child: Center(
                      child: FloatingActionButton(
                          onPressed: _startCapture, child: Text("Start")))),
              Expanded(
                  child: Center(
                      child: FloatingActionButton(
                          onPressed: _stopCapture, child: Text("Stop")))),
            ],
          ))
        ]),
      ),
    );
  }
}