getZoomScale method Null safety

Future<double?> getZoomScale()

Gets the current zoom scale of the WebView.

Official iOS API: https://developer.apple.com/documentation/uikit/uiscrollview/1619419-zoomscale

Implementation

Future<double?> getZoomScale() async {
  Map<String, dynamic> args = <String, dynamic>{};
  return await _channel.invokeMethod('getZoomScale', args);
}