dispose method

@override void dispose()

Dispose of the widget.

Implementation

@override
void dispose() {
  super.dispose();
  stopSounds();
  final loader = context.sourceLoader;
  for (final menuItem in widget.menuItems) {
    final sound = menuItem.earcon;
    if (sound != null) {
      loader.disposeSound(sound);
    }
  }
  final music = widget.music;
  if (music != null) {
    loader.disposeSound(music);
  }
}