printQrCode method
Prints a QR code with the specified data and dimensions.
text
The data to encode in the QR code.
width
The width of the QR code.
height
The height of the QR code.
Returns an int representing the result of the print operation, or null if it fails.
Implementation
Future<int?> printQrCode(String text, int width, int height) {
return instance.printQrCode(text, width, height);
}