Get Equalizer values

GetEqualizerValues.kt

private var equalizer: Equalizer? = null

private fun initEqualizer() {
  equalizer = Equalizer(0, mediaPlayer?.audioSessionId!!)
  equalizer?.enabled = eqEnabled
}

private fun setupEqualizer() { 
  val numberOfBands = equalizer?.numberOfBands
  val lowestBandLevel = equalizer?.bandLevelRange?.get(0
  val highestBandLevel = equalizer?.bandLevelRange?.get(1)
  
  var bands = ArrayList<Integer>(0)
  // Get center frequency for each band
  (0 until numberOfBands!!)
          .map { equalizer?.getCenterFreq(it.toShort()) }
          .mapTo(bands) { Integer(it?.div(1000)!!) }

  ... Other equalizer view stuff
}
                                                       
private fun setBandLevel(bandId: Short, level: Short) {
  equalizer?.setBandLevel(bandId, level)
}