Flutter plugin that can support audio recording and level metering
flutter_audio_recorder
Flutter Audio Record Plugin that supports Record Pause Resume Stop and provide access to audio level metering properties average power peak power(currently for iOS only)
Installation
add flutter_audio_recorder to your pubspec.yaml
iOS Permission
add usage description to plist
<key>NSMicrophoneUsageDescription</key>
<string>Can We Use Your Microphone Please</string>
Usage
Init (run this before start, so we could check if file with given name already exists)
var recorder = FlutterAudioRecorder("filename", AudioFormat.AAC);
await _recorder.initialized;
or
var recorder = FlutterAudioRecorder("filename.mp4"); // .wav .aac .m4a
await _recorder.initialized;
Start recording
await recorder.start();
var recording = await recorder.current(channel: 0);
Get recording details
var current = await recording.current(channel: 0);
// print(current.status);
You could use a timer to access details every 50ms(simply cancel the timer when recording is done)
new Timer.periodic(tick, (Timer t) async {
var current = await recording.current(channel: 0);
// print(current.status);
setState(() {
});
});
Recording
| Name | Description |
|---|---|
| path | String |
| extension | String |
| duration | Duration |
| audioFormat | AudioFormat |
| metering | AudioMetering |
| status | RecordingStatus |
Recording.metering
| Name | Description |
|---|---|
| peakPower | double |
| averagePower | double |
| isMeteringEnabled | bool |
Recording.status
Unset,Initialized,Recording,Paused,Stopped
Pause
await _recorder.pause();
Resume
await _recorder.resume();
Stop (after stop, run init again to create another recording)
var result = await _recorder.stop();
File file = widget.localFileSystem.file(result.path);
Example
Please check example app using Xcode.