openCashDrawer method

@override Future<bool> openCashDrawer(String identifier, String interfaceType)

Opens the cash drawer connected to the specified printer.

• identifier: A unique identifier for the printer.
• interfaceType: The connection interface type (e.g., USB, Bluetooth).

Returns a Future containing a bool indicating whether the operation was successful.

Implementation

@override
Future<bool> openCashDrawer(String identifier, String interfaceType) async {
  try {
    final bool result =
        await methodChannel.invokeMethod<bool>('openCashDrawer', {
              "identifier": identifier,
              "interfaceType": interfaceType,
            }) ??
            false;

    return result;
  } catch (e) {
    debugPrint("Error opening cash drawer: $e");
    return false;
  }
}