qrCode method
Implementation
Future<void> qrCode({
required String content,
int x = 0,
int y = 0,
int width = 6, // 1-32
}) async {
Map<String, dynamic> params = {
"content": content,
"x": x,
"y": y,
"cellWidth": width,
};
await methodChannel.invokeMethod<void>('qrCode', params);
}