togglePlay method

void togglePlay()

Implementation

void togglePlay() {
  // update playing flag
  isPlaying = !isPlaying;
  // update icon to pause/player
  cardKey.currentState?.toggleCard();
  debugPrint(isPlaying.toString());
  // start playing audio
  isPlaying == true ? audioPlayer.pause() : audioPlayer.play();
  update(["play"]);
}