Created
September 17, 2019 15:42
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The getter 'state' was called on null.
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import 'dart:async'; | |
import 'package:flutter/material.dart'; | |
import 'package:flutter_bloc/flutter_bloc.dart'; | |
import 'package:pdm_mobile/blocs/account/account_bloc.dart'; | |
import 'package:pdm_mobile/blocs/account/account_event.dart'; | |
import 'package:pdm_mobile/blocs/account/account_state.dart'; | |
import 'package:pdm_mobile/blocs/territory/territory.dart'; | |
import 'package:pdm_mobile/models/account.dart'; | |
import 'package:pdm_mobile/util/error_util.dart'; | |
import 'package:pdm_mobile/widgets/exception/exception_info_view.dart'; | |
import 'package:pdm_mobile/widgets/territory/territory_dropdown_view.dart'; | |
class ChangeAddressForm extends StatefulWidget { | |
final AccountBloc accountBloc; | |
final Account account; | |
ChangeAddressForm(this.accountBloc, this.account, {Key key}) | |
: super(key: key); | |
@override | |
State<ChangeAddressForm> createState() => | |
_ChangeAddressWidgetState(accountBloc, account); | |
} | |
class _ChangeAddressWidgetState extends State<ChangeAddressForm> { | |
final _formKey = GlobalKey<FormState>(); | |
final _addressController = TextEditingController(); | |
final _nameController = TextEditingController(); | |
final _phoneController = TextEditingController(); | |
final _provinceController = TextEditingController(); | |
final _regencyController = TextEditingController(); | |
final _subDistrictController = TextEditingController(); | |
final _villageController = TextEditingController(); | |
final AccountBloc accountBloc; | |
Account account; | |
String _errorInfo = ""; | |
bool _isFieldError = false; | |
bool _inProgress = false; | |
StreamSubscription subs; | |
Map<String, String> territory = Map(); | |
_ChangeAddressWidgetState(this.accountBloc, this.account) { | |
subs = accountBloc.state.listen((AccountState state) { | |
print("Print state =>> $state"); | |
if (state is AccountUpdated) { | |
Navigator.pop(context, true); | |
} else if (state is AddressFieldError) { | |
print("AddressFieldError"); | |
setState(() { | |
_errorInfo = state.error; | |
_isFieldError = true; | |
}); | |
} else if (state is AddressFailure) { | |
Scaffold.of(context).showSnackBar( | |
SnackBar( | |
content: Text(state.error), | |
backgroundColor: Colors.red, | |
), | |
); | |
} | |
}); | |
} | |
@override | |
void dispose() { | |
super.dispose(); | |
subs.cancel(); | |
} | |
@override | |
Widget build(BuildContext context) { | |
disableApiErrorHandler(); | |
_onAddressButtonPressed() { | |
if (_formKey.currentState.validate()) { | |
accountBloc.dispatch(UpdateAddress( | |
name: _nameController.text, | |
address: _addressController.text, | |
phone: _phoneController.text, | |
province: _provinceController.text, | |
district: _regencyController.text, | |
subDistrict: _subDistrictController.text, | |
village: _villageController.text, | |
)); | |
} | |
} | |
return BlocBuilder<TerritoryBloc, TerritoryState>( | |
builder: (context, state) { | |
return Center( | |
child: ListView( | |
children: <Widget>[ | |
Padding( | |
padding: EdgeInsets.all(10.0), | |
child: Form( | |
key: _formKey, | |
child: Column( | |
children: <Widget>[ | |
TerritoryDropdownView( | |
onSelectTerritory: (value, type) { | |
switch (type) { | |
case TerritoryType.province: | |
_provinceController.text = value.name; | |
break; | |
case TerritoryType.district: | |
_regencyController.text = value.name; | |
break; | |
case TerritoryType.subDistrict: | |
_subDistrictController.text = value.name; | |
break; | |
case TerritoryType.village: | |
_villageController.text = value.name; | |
} | |
}, | |
territory: territory ?? Map(), | |
), | |
TextFormField( | |
decoration: InputDecoration(labelText: "Nama Lengkap:"), | |
autofocus: true, | |
controller: _nameController, | |
), | |
TextFormField( | |
decoration: InputDecoration(labelText: "Alamat:"), | |
autofocus: true, | |
controller: _addressController, | |
), | |
TextFormField( | |
decoration: InputDecoration(labelText: "Nomor Ponsel:"), | |
autofocus: true, | |
controller: _phoneController, | |
), | |
Container( | |
margin: EdgeInsets.only(top: 16.0, bottom: 16.0), | |
child: Visibility( | |
visible: _isFieldError, | |
child: ExceptionInfoView( | |
title: "Terjadi kesalahan", | |
info: _errorInfo, | |
), | |
), | |
), | |
Row( | |
mainAxisAlignment: MainAxisAlignment.spaceEvenly, | |
children: <Widget>[ | |
Padding( | |
padding: EdgeInsets.only(top: 30.0, bottom: 20.0), | |
child: ButtonTheme( | |
// minWidth: MediaQuery.of(context).size.width, | |
child: RaisedButton( | |
onPressed: !_inProgress | |
? _onAddressButtonPressed() | |
: null, | |
child: new Text( | |
"Batalkan", | |
style: TextStyle(color: Colors.grey), | |
), | |
shape: new RoundedRectangleBorder( | |
side: BorderSide(color: Colors.grey)), | |
color: Colors.white), | |
), | |
), | |
Padding( | |
padding: EdgeInsets.only(top: 30.0, bottom: 20.0), | |
child: ButtonTheme( | |
// minWidth: MediaQuery.of(context).size.width, | |
child: RaisedButton( | |
onPressed: () => | |
Navigator.of(context).push(null), | |
child: new Text( | |
"Simpan", | |
style: TextStyle(color: Colors.white), | |
), | |
shape: new RoundedRectangleBorder( | |
side: BorderSide(color: Color(0xff039fc0))), | |
color: Color(0xff039fc0), | |
), | |
), | |
), | |
], | |
), | |
], | |
), | |
), | |
), | |
], | |
), | |
); | |
}, | |
); | |
} | |
} |
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