removeOverlay method

void removeOverlay()

Implementation

void removeOverlay() {
  if (!_isTesting) {
    for (var element in _overlayEntries) {
      element.remove();
    }
  }

  assert(!_transitionCompleter.isCompleted,
      'Cannot remove overlay from a disposed snackbar');
  controller.dispose();
  _overlayEntries.clear();
  _transitionCompleter.complete();
}