getPreview method
getPreview(Int) takes an Integer that represents the width in screen pixels that the print preview should display as (on the UI).
Implementation
@override
Future<String?> getPreview(int elementSize) async {
var sendMap = <String, dynamic>{"elementSize": elementSize};
String? preview =
await methodChannel.invokeMethod<String>('getPreview', sendMap);
return preview;
}