ykd_audio_recorder 0.2.4 ykd_audio_recorder: ^0.2.4 copied to clipboard
A new flutter plugin project.
import 'dart:io';
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter/services.dart';
import 'package:ykd_audio_recorder/ykd_audio_recorder.dart';
import 'package:path_provider/path_provider.dart';
void main() => runApp(MyApp());
enum RecordStatusEnum { Ready, Recording, Pause }
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
RecordStatusEnum _status = RecordStatusEnum.Ready;
Timer _timer;
String _fileName;
double _volumn = 0;
YkdAudioRecorder _recorder;
@override
void initState() {
_recorder = new YkdAudioRecorder(onInterrupt: (InterruptType type) {
print('------------- $type');
});
super.initState();
}
void startGetVolumn() {
if (_timer == null) {
_timer = new Timer.periodic(const Duration(milliseconds: 100),
(Timer t) async {
double volumn = await _recorder.getVolumn();
// print('获取音量 $volumn');
this.setState(() {
_volumn = volumn;
});
});
}
}
void stopGetVolumn() {
if (_timer != null) {
_timer.cancel();
_timer = null;
}
}
@override
Widget build(BuildContext context) {
String text = '';
// print(_status);
switch (_status) {
case RecordStatusEnum.Ready:
text = '开始';
break;
case RecordStatusEnum.Pause:
text = '继续';
break;
case RecordStatusEnum.Recording:
text = '暂停';
break;
default:
}
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Plugin example app'),
),
body: Center(
child: Column(
children: <Widget>[
RaisedButton(
onPressed: () async {
if (_status == RecordStatusEnum.Ready) {
Directory directory =
await getApplicationDocumentsDirectory();
_fileName = '${DateTime.now().millisecondsSinceEpoch}.mp4';
String path = '${directory.path}/$_fileName';
RecordStatus status = await _recorder.start(path: path);
if (!status.success) {
print('start record error ${status.error}');
return;
}
_status = RecordStatusEnum.Recording;
this.startGetVolumn();
} else if (_status == RecordStatusEnum.Recording) {
_recorder.pause();
_status = RecordStatusEnum.Pause;
this.stopGetVolumn();
} else if (_status == RecordStatusEnum.Pause) {
_recorder.resume();
_status = RecordStatusEnum.Recording;
this.startGetVolumn();
}
this.setState(() {});
},
child: Text(text),
),
_status != RecordStatusEnum.Ready
? RaisedButton(
onPressed: () async {
RecordInfo info = await _recorder.stop();
print(
'record result ${info.duration} ${info.path}, $_fileName');
this.stopGetVolumn();
},
child: Text('结束录音'),
)
: Container(),
new Text('音量: $_volumn')
],
)),
),
);
}
}