AudioRecorder.onProgress not being called on iOS simulator

[bmbmjmdm]

Version

Tell us which versions you are using ( you can see the versions in your package.json ):

react-native-audio : "^4.3.0" react-native : "0.62.0-rc.1" react : "16.11.0" using react-native-sound ? Yes

Expected behaviour :

Setting up a callback with AudioRecorder.onProgress should trigger the callback after AudioRecorder.startRecording() is called

Actual behaviour

While this does appear to work on my android physical device, it does NOT appear to work on my iOS simulator

Steps to reproduce

I'll just paste the code:

    promptSpeaking () {
            AudioRecorder.prepareRecordingAtPath(this.filePath, { MeteringEnabled: true })

            AudioRecorder.onProgress = (data) => {
                console.log("progress")
            }

            this.animateWithSound({
                callback: ( ) => {
                    this.finishAnimateWithSound()
                    AudioRecorder.startRecording()
                    setTimeout(this.stopRecording, 5000)
                }
            })
        },

I can confirm stopRecording gets called after 5 seconds, which means AudioRecorder.startRecording must have been called too. However I don't see any "progress" logs in the console.

Link to a git repo that reproduces bug

https://github.com/bmbmjmdm/wesley-app

[bmbmjmdm]

I found the problem! The file could not be created/written to because I was not explicitly setting the proper AudioEncoding

AudioRecorder.prepareRecordingAtPath(audioPath, {
  AudioEncoding: "aac"
});