value property
Defines the value of the barcode to be rendered.
The value property is required to generate a barcode. The input value is accepted as a string and encoded in a machine readable format.
The length and characters type of the value can be varied on the basis of the Symbology.
Defaults to null.
Widget build(BuildContext context) {
return Container(
child: SfBarcodeGenerator(value:'123456'));
}
```dart
Implementation
final String? value;