RSGDoctorApp/lib/screens/patients/patients_list_screen.dart

import '../../models/patient_model.dart';
import '../../providers/patients_provider.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

class PatientsList extends StatefulWidget {
  @override
  _PatientsListState createState() => _PatientsListState();
}

class _PatientsListState extends State<PatientsList> {
  var _isInit = true;
  var _isLoading = true;
  var _hasError;
  @override
  void didChangeDependencies() {
    final routeArgs = ModalRoute.of(context).settings.arguments as Map;
    PatientModel patient = routeArgs['patientSearchForm'];
    String patientType = routeArgs['selectedType'];
    print(patientType);
    if (_isInit) {
      // setState(() {});
      PatientsProvider patientsProv = Provider.of<PatientsProvider>(context);
      patientsProv.getPatientList(patient, patientType).then((res) {
        setState(() {
          _isLoading = false;
        _hasError = res['ErrorEndUserMessage'];

        });
      }).catchError((error) {
        print(error);
      });
    }
    _isInit = false;
    super.didChangeDependencies();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('PatientsList'),
      ),
      body: _isLoading
          ? Center(
              child: CircularProgressIndicator(),
            )
          : Container(
              child: _hasError != null
                  ? Center(
                      child: Text(
                        _hasError,
                        style: TextStyle(color: Theme.of(context).errorColor),
                      ),
                    )
                  : Text('EEEEEEEEEEEEEE'),
            ),
    );
  }
}