Send data to api

//---------- try svae data ------------
  Future<void> sendDataToServer(String Url) async {
    var url = '$Url/save-data-api';
    final Map<String, dynamic> data = {
      "del_id": delID,
      "nik": textNIK.text,
      "name": textName.text,
      "departement": textDepartement.text,
    };

    setState(() {
      _loading = true;
    });

    await Future.delayed(Duration(seconds: 3));

    try {
      final response = await http.post(
        Uri.parse(url),
        headers: <String, String>{
          'Content-Type': 'application/json; charset=UTF-8',
        },
        body: jsonEncode(data),
      );

      var sts = response.statusCode;
      final res = json.decode(response.body);
      var dt = response.body;

      print('Respon STATUS adalah: $sts');
      print('Respon adalah: $dt');

      // Data successfully saved
      setState(() {
        code = res["code"];
        msg = res["message"];
      });

      switch (code) {
        case 200:
          Future.delayed(Duration(seconds: 1), () {
            setState(() {
              _clearTextFormField();
            });
          });
          return showToastSuccess();
          break;
        case 500:
          return showToastError();
          break;
        default:
          return showToastWarning();
          break;
      }
    } catch (e) {
      print('Error: $e');
      Fluttertoast.showToast(msg: 'Error: $e');
      // You can handle error here (e.g., show an error message)
    } finally {
      setState(() {
        _loading = false;
      });
    }
  }
  //---------- try svae data ------------