missingRequiredFields method
Implementation
Future<List<String>> missingRequiredFields() async {
final List<UPdfFormField> fields = await formFields();
final List<String> missing = <String>[];
for (final UPdfFormField field in fields) {
if (!field.required || field.readOnly) continue;
if (field.displayValue.trim().isEmpty || field.displayValue == "Off") missing.add(field.name);
}
return missing;
}