initializeCallback()

ASRFragment.kt

    private fun initializeCallback() {
        asrRecognizer.setAsrListener(object : MLAsrListener {
            override fun onResults(result: Bundle?) {
                MediaPlayer.create(activity, R.raw.stop_record).start()
                Log.i("ASRFragment", "result is ${result?.getString(MLAsrRecognizer.RESULTS_RECOGNIZED)}")
                showResult(result?.getString(MLAsrRecognizer.RESULTS_RECOGNIZED) ?: "")
            }

            override fun onRecognizingResults(partialResult: Bundle?) {
                Log.i("ASRFragment", "partialResult is ${partialResult?.getString(MLAsrRecognizer.RESULTS_RECOGNIZED)}")
                showResult(partialResult?.getString(MLAsrRecognizer.RESULTS_RECOGNIZED) ?: "")
            }

            override fun onError(errorCode: Int, errorMessage: String?) {
                Log.e("ASRFragment", "errorCode is $errorCode")
                Log.e("ASRFragment", "errorMessage is $errorMessage")
            }

            override fun onStartListening() {
                Log.i("ASRFragment", "onStartListening()")
                MediaPlayer.create(activity, R.raw.start_record).start()
            }
          
          // Other callback events 
        })
    }