getHeight method

Implementation

double? getHeight() {
  if (currentContext == null) {
    return null;
  }
  try {
    final renderBoxRed = currentContext!.findRenderObject() as RenderBox;
    final sizeRed = renderBoxRed.size;
    return sizeRed.height;
  } catch (e) {
    return 0;
  }
}