print method
Implementation
void print(List<dynamic> _rows) async{
List<Map<String, dynamic>?> _printableRows = [];
_rows.forEach((dynamic _row){
if(_row.runtimeType == PrintRow || _row.runtimeType == PrintQRCode || _row.runtimeType == WalkPaper || _row.runtimeType == PrintAssetImage){
_printableRows.add(_row.toJson());
}
});
await _platform.invokeMethod('printDocument', {"details": _printableRows});
}