This code works perfect in Web, but in Mac it prints only zeros. What is the problem?
import 'dart:typed_data';
import 'package:file_selector/file_selector.dart';
import 'package:flutter/material.dart';
import 'package:record/record.dart';
import 'package:path_provider/path_provider.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: Text('Audio Recorder with Stream'),
),
body: AudioRecorderWidget(),
),
);
}
}
class AudioRecorderWidget extends StatefulWidget {
@override
_AudioRecorderWidgetState createState() => _AudioRecorderWidgetState();
}
class _AudioRecorderWidgetState extends State<AudioRecorderWidget> {
final AudioRecorder _record = AudioRecorder();
bool _isRecording = false;
String? _filePath;
Stream<Uint8List>? audioStream;
@override
void dispose() {
_record.dispose();
super.dispose();
}
Future<void> _startRecording() async {
print('start1');
try {
bool hasPermission = await _record.hasPermission();
if (!hasPermission) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Microphone permission is required')),
);
return;
}
audioStream = await _record.startStream(RecordConfig(
encoder: AudioEncoder.pcm16bits,
sampleRate: 16000,
bitRate: 128000,
numChannels: 1));
audioStream?.listen((Uint8List data) {
print('sink data: $data');
});
print('start2');
setState(() {
_isRecording = true;
});
} catch (e, s) {
print('Exception: $enStack Trace: $s');
}
}
Future<void> _stopRecording() async {
print('stop1');
try {
if (await _record.isRecording()) {
await _record.stop();
print('stop2');
setState(() {
_isRecording = false;
});
print('stop4: $_filePath');
} else {
print('Recording was not active.');
}
} catch (e, s) {
print('Exception: $enStack Trace: $s');
}
}
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
ElevatedButton(
onPressed: _isRecording ? null : _startRecording,
child: Text('Start Recording'),
),
SizedBox(height: 20),
ElevatedButton(
onPressed: _isRecording ? _stopRecording : null,
child: Text('Stop Recording'),
),
],
),
);
}
}