dispose method
void
dispose()
Dispose the player
Implementation
void dispose() {
_methodChannel.invokeMethod('dispose', id.value);
_eventSubscription?.cancel();
id.dispose();
mediaInfo.dispose();
videoSize.dispose();
position.dispose();
error.dispose();
loading.dispose();
playbackState.dispose();
volume.dispose();
speed.dispose();
looping.dispose();
autoPlay.dispose();
finishedTimes.dispose();
}