Future<Null> dispose()

Discards any resources used by the object. After this is called, the object is not in a usable state and should be discarded (calls to addListener and removeListener will throw after the object is disposed).

This method should only be called by the object's owner.

Source

Future<Null> dispose() async {
  if (isDisposed) {
    return;
  }
  timer?.cancel();
  await _channel.invokeMethod('dispose', {'textureId': _textureId});
  isDisposed = true;
  super.dispose();
}