removeTemplate method
Removes templates from the printer.
Implementation
Future<PrinterStatus> removeTemplate(List<int> keyList) async {
var params = {
"printerId": mPrinterId,
"printInfo": mPrinterInfo.toMap(),
"keyList" : keyList,
};
final Map resultMap = await _channel.invokeMethod("removeTemplate", params);
PrinterStatus status = PrinterStatus.fromMap(resultMap);
return status;
}