[BUG]: onProgress in Recorder always emit duration is zero on iOS

[AnhJobChat]

Flutter Sound Version :

• FULL or LITE flavor ?

• Important: Result of the command : flutter pub deps | grep flutter_sound

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Severity

• Crash ?

• Result is not what expected ?

• Cannot build my App ?

• Minor issue ?

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Platforms you faced the error

• iOS

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Describe the bug onProgress in Recorder always emit duration is zero on iOS at ver 8.3.9

To Reproduce Steps to reproduce the behavior:

1. startRecorder

2. Check onProgress value

   Code: Init:

   _audioRecorder = await FlutterSoundRecorder().openAudioSession(
     category: SessionCategory.record,
     focus: AudioFocus.requestFocusAndDuckOthers,
   );
   await _audioRecorder!.setSubscriptionDuration(const Duration(milliseconds: 1000));
   _recorderSubscription = _audioRecorder?.onProgress?.listen((event) {
     print("AAA event: $event");
   });

   startRecorder

   _audioRecorder?.startRecorder(toFile: _path ?? "")

   Print log:

   flutter: AAA event: duration: 0:00:00.000000 decibels: 0.00015999999999999999
   flutter: AAA event: duration: 0:00:00.000000 decibels: 0.00015999999999999999
   flutter: AAA event: duration: 0:00:00.000000 decibels: 0.00015999999999999999
   flutter: AAA event: duration: 0:00:00.000000 decibels: 0.00015999999999999999

   _path is file created with extension is aac

   Logs!!!!

   (This is very important. Most of the time we cannot do anything if we do not have information on your bug). To activate the logs, you must instantiate your modules with the Log Level set to Level.debug :

   FlutterSoundPlayer myPlayer = FlutterSoundPlayer(logLevel: Level.debug);
   FlutterSoundRecorder myRecorder = FlutterSoundRecorder(logLevel: Level.debug);

   See this

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[mhstoller]

Same problem as #517 - see the suggested workaround to use requestFocusAndDuckOthers

[AnhJobChat]

@mhstoller Still no luck. I have been changed all AudioFocus.

[mhstoller]

Please provide your new code sample with the change, including where you open the audio session and I'll have a look

[AnhJobChat]

@mhstoller Thank you, I have been updated my code

[github-actions[bot]]

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