flutter_getnet_payment 1.1.0 
flutter_getnet_payment: ^1.1.0 copied to clipboard
Plugin flutter que faz a integração com o SDK da getnet, para pagamento com maquininhas POS
example/lib/main.dart
import 'dart:convert';
import 'dart:math';
import 'package:flutter_getnet_payment/models/getnet_pre_autorization_payload.dart';
import 'package:flutter_getnet_payment/constants/getnet_print_content_types.dart';
import 'package:flutter_getnet_payment/exceptions/getnet_payment_exception.dart';
import 'package:flutter_getnet_payment/exceptions/getnet_refund_exception.dart';
import 'package:flutter_getnet_payment/exceptions/getnet_print_exception.dart';
import 'package:flutter_getnet_payment/exceptions/getnet_info_exception.dart';
import 'package:flutter_getnet_payment/models/getnet_payment_response.dart';
import 'package:flutter_getnet_payment/constants/getnet_payment_type.dart';
import 'package:flutter_getnet_payment/models/getnet_payment_payload.dart';
import 'package:flutter_getnet_payment/constants/getnet_credit_type.dart';
import 'package:flutter_getnet_payment/models/getnet_refund_payload.dart';
import 'package:flutter_getnet_payment/models/getnet_content_print.dart';
import 'package:flutter_getnet_payment/models/getnet_print_payload.dart';
import 'package:flutter_getnet_payment/flutter_getnet_payment.dart';
import 'package:flutter/foundation.dart';
import 'package:http/http.dart' as http;
import 'package:flutter/material.dart';
final flutterGetnetPaymentPlugin = FlutterGetnetPayment();
final List<GetnetPaymentResponse> listPayments = [];
void main() {
runApp(const MaterialApp(home: PaymentApp()));
}
class PaymentApp extends StatelessWidget {
const PaymentApp({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
body: Center(
child: SingleChildScrollView(
child: Column(
spacing: 15.0,
children: [
SizedBox(
width: 300,
height: 45,
child: ElevatedButton(
onPressed: () {
Navigator.of(
context,
).push(MaterialPageRoute(builder: (_) => _PaymentPage()));
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.blue,
foregroundColor: Colors.white,
),
child: Text('Pagamento'),
),
),
SizedBox(
width: 300,
height: 45,
child: ElevatedButton(
onPressed: () {
Navigator.of(context).push(
MaterialPageRoute(builder: (_) => _PreAutorizationPage()),
);
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.teal,
foregroundColor: Colors.white,
),
child: Text('Pre Autorização'),
),
),
SizedBox(
width: 300,
height: 45,
child: ElevatedButton(
onPressed: () {
Navigator.of(
context,
).push(MaterialPageRoute(builder: (_) => _CancelPage()));
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.red,
foregroundColor: Colors.white,
),
child: Text('Cancelar'),
),
),
SizedBox(
width: 300,
height: 45,
child: ElevatedButton(
onPressed: () {
Navigator.of(
context,
).push(MaterialPageRoute(builder: (_) => _PrintPage()));
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.green,
foregroundColor: Colors.white,
),
child: Text('Imprimir'),
),
),
SizedBox(
width: 300,
height: 45,
child: ElevatedButton(
onPressed: () async {
try {
await flutterGetnetPaymentPlugin.reprint();
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text("Reimpressão realizada com sucesso!"),
),
);
} on GetnetInfoException catch (e) {
ScaffoldMessenger.of(
context,
).showSnackBar(SnackBar(content: Text(e.message)));
} on GetnetPrintException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(
"Não foi realizar a impressão das informações do terminal: ${e.message}",
),
),
);
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Erro desconhecido')),
);
}
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.orange,
foregroundColor: Colors.white,
),
child: Text('Reimprimir'),
),
),
SizedBox(
width: 300,
height: 45,
child: ElevatedButton(
onPressed: () async {
try {
final info = await flutterGetnetPaymentPlugin.info();
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text("info: ${info.toJson()}")),
);
} on GetnetInfoException catch (e) {
ScaffoldMessenger.of(
context,
).showSnackBar(SnackBar(content: Text(e.message)));
} on GetnetPrintException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(
"Não foi realizar a impressão das informações do terminal: ${e.message}",
),
),
);
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Erro desconhecido')),
);
}
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.indigo,
foregroundColor: Colors.white,
),
child: Text('Info'),
),
),
],
),
),
),
);
}
}
class _PaymentPage extends StatefulWidget {
const _PaymentPage();
@override
State<_PaymentPage> createState() => _PaymentPageState();
}
class _PaymentPageState extends State<_PaymentPage> {
final _amountEC = TextEditingController();
final _qtdEC = TextEditingController();
final List<DropdownMenuItem<GetnetPaymentType?>> _listPaymentTypes =
GetnetPaymentType.values
.map((e) => DropdownMenuItem(value: e, child: Text(e.name)))
.toList();
final List<DropdownMenuItem<GetnetCreditType?>> _listCreditType =
GetnetCreditType.values
.map((e) => DropdownMenuItem(value: e, child: Text(e.name)))
.toList();
GetnetPaymentType _transactionType = GetnetPaymentType.debit;
GetnetCreditType? _creditType;
@override
void initState() {
super.initState();
_listCreditType.add(
DropdownMenuItem<GetnetCreditType>(value: null, child: Text('NENHUM')),
);
}
@override
Widget build(BuildContext context) {
return SafeArea(
child: Scaffold(
appBar: AppBar(
title: Text('pagamento'),
centerTitle: true,
leading: Container(),
),
body: Center(
child: SingleChildScrollView(
child: Padding(
padding: const EdgeInsets.all(10.0),
child: Column(
children: [
Align(
alignment: Alignment.centerLeft,
child: Text('Tipo do Pagamento'),
),
SizedBox(height: 10),
Container(
width: double.infinity,
padding: const EdgeInsets.all(10.0),
decoration: BoxDecoration(
border: Border.all(),
borderRadius: BorderRadius.circular(5),
),
height: 55,
child: DropdownButton(
value: _transactionType,
items: _listPaymentTypes,
isExpanded: true,
underline: Container(),
onChanged: (value) {
_creditType = null;
_qtdEC.text = '';
_transactionType = value!;
setState(() {});
},
),
),
SizedBox(height: 10.0),
Align(alignment: Alignment.centerLeft, child: Text('Valor')),
SizedBox(height: 10),
TextFormField(
controller: _amountEC,
decoration: InputDecoration(
hintText: 'Valor',
border: OutlineInputBorder(),
),
keyboardType: TextInputType.number,
),
// if (_transactionType == GetnetPaymentType.CREDIT)
Padding(
padding: const EdgeInsets.only(top: 10.0),
child: Row(
children: [
Expanded(
child: Column(
children: [
Align(
alignment: Alignment.centerLeft,
child: Text('tipo parcelamento'),
),
SizedBox(height: 10),
Container(
padding: const EdgeInsets.all(10.0),
decoration: BoxDecoration(
border: Border.all(),
borderRadius: BorderRadius.circular(5),
),
height: 55,
child: DropdownButton(
value: _creditType,
items: _listCreditType,
isExpanded: true,
underline: Container(),
onChanged: (value) {
_creditType = value;
setState(() {});
},
),
),
],
),
),
SizedBox(width: 10.0),
Expanded(
child: Column(
children: [
Align(
alignment: Alignment.centerLeft,
child: Text('Qtd parcelamento'),
),
SizedBox(height: 10),
TextFormField(
controller: _qtdEC,
decoration: InputDecoration(
hintText: 'Qtd parcelamento',
border: OutlineInputBorder(),
),
keyboardType: TextInputType.number,
),
],
),
),
],
),
),
],
),
),
),
),
bottomNavigationBar: Padding(
padding: const EdgeInsets.all(10.0),
child: Row(
children: [
Expanded(
child: SizedBox(
height: 40,
child: ElevatedButton(
onPressed: () {
Navigator.of(context).pop();
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.red,
foregroundColor: Colors.white,
),
child: Text('Voltar'),
),
),
),
SizedBox(width: 10),
Expanded(
child: SizedBox(
height: 40,
child: ElevatedButton(
onPressed: () async {
try {
double amount = double.parse(_amountEC.text);
int? qtdPar = int.tryParse(_qtdEC.text);
final payment = GetnetPaymentPayload(
amount: amount,
paymentType: _transactionType,
creditType: _creditType,
callerId: Random().nextInt(1000).toString(),
orderId: Random().nextInt(1000).toString(),
installments: qtdPar,
);
final response = await flutterGetnetPaymentPlugin.pay(
paymentPayload: payment,
);
listPayments.add(response);
final print = GetnetPrintPayload(
printableContent: [
GetnetContentprint(
type: GetnetPrintType.line,
content: response.toJson().toString(),
),
],
);
await flutterGetnetPaymentPlugin.print(
printPayload: print,
);
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(
"Simulacao pagamento e Impressão realizada com sucesso!",
),
),
);
} on GetnetPaymentException catch (e) {
ScaffoldMessenger.of(
context,
).showSnackBar(SnackBar(content: Text(e.message)));
} on GetnetPrintException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(
"Simulação de pagamento realizado mas erro na impressão: ${e.message}",
),
),
);
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Erro desconhecido')),
);
}
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.green,
foregroundColor: Colors.white,
),
child: Text('Pagar'),
),
),
),
],
),
),
),
);
}
}
class _PreAutorizationPage extends StatefulWidget {
const _PreAutorizationPage();
@override
State<_PreAutorizationPage> createState() => _PreAutorizationPageState();
}
class _PreAutorizationPageState extends State<_PreAutorizationPage> {
final _amountEC = TextEditingController();
@override
void initState() {
super.initState();
}
@override
Widget build(BuildContext context) {
return SafeArea(
child: Scaffold(
appBar: AppBar(
title: Text('pagamento'),
centerTitle: true,
leading: Container(),
),
body: Center(
child: SingleChildScrollView(
child: Padding(
padding: const EdgeInsets.all(10.0),
child: Column(
children: [
Align(
alignment: Alignment.centerLeft,
child: Text('Tipo do Pagamento'),
),
SizedBox(height: 10.0),
Align(alignment: Alignment.centerLeft, child: Text('Valor')),
SizedBox(height: 10),
TextFormField(
controller: _amountEC,
decoration: InputDecoration(
hintText: 'Valor',
border: OutlineInputBorder(),
),
keyboardType: TextInputType.number,
),
],
),
),
),
),
bottomNavigationBar: Padding(
padding: const EdgeInsets.all(10.0),
child: Row(
children: [
Expanded(
child: SizedBox(
height: 40,
child: ElevatedButton(
onPressed: () {
Navigator.of(context).pop();
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.red,
foregroundColor: Colors.white,
),
child: Text('Voltar'),
),
),
),
SizedBox(width: 10),
Expanded(
child: SizedBox(
height: 40,
child: ElevatedButton(
onPressed: () async {
try {
double amount = double.parse(_amountEC.text);
final preAutorization = GetnetPreAutorizationPayload(
amount: amount,
callerId: Random().nextInt(1000).toString(),
orderId: Random().nextInt(1000).toString(),
);
final response = await flutterGetnetPaymentPlugin
.preAutorization(
preAutorizationPayload: preAutorization,
);
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(
"Simulacao pre autorização ${response.toJson().toString()}",
),
),
);
} on GetnetPaymentException catch (e) {
ScaffoldMessenger.of(
context,
).showSnackBar(SnackBar(content: Text(e.message)));
} on GetnetPrintException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(
"Simulação de pagamento realizado mas erro na impressão: ${e.message}",
),
),
);
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Erro desconhecido')),
);
}
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.green,
foregroundColor: Colors.white,
),
child: Text('Pagar'),
),
),
),
],
),
),
),
);
}
}
class _CancelPage extends StatefulWidget {
const _CancelPage();
@override
State<_CancelPage> createState() => _CancelPageState();
}
class _CancelPageState extends State<_CancelPage> {
int? _indexPayment;
@override
void initState() {
super.initState();
}
@override
Widget build(BuildContext context) {
return SafeArea(
child: Scaffold(
appBar: AppBar(
title: Text('cancelar'),
centerTitle: true,
leading: Container(),
),
body: Center(
child: SingleChildScrollView(
child: Padding(
padding: const EdgeInsets.all(10.0),
child: Column(
spacing: 10,
children: [
Text("Lista de pagamentos que podem ser cancelados"),
...List.generate(
listPayments.length,
(index) => InkWell(
onTap: () {
setState(() {
_indexPayment = index;
});
},
child: Container(
padding: EdgeInsets.all(10),
width: double.infinity,
decoration: BoxDecoration(
color:
_indexPayment == index
? Colors.blue
: Colors.grey.shade300,
borderRadius: BorderRadius.circular(10),
),
child: Text(
listPayments[index].amount.toString(),
style: TextStyle(
color:
_indexPayment == index
? Colors.white
: Colors.black,
),
),
),
),
),
],
),
),
),
),
bottomNavigationBar: Padding(
padding: const EdgeInsets.all(10.0),
child: Row(
children: [
Expanded(
child: SizedBox(
height: 40,
child: ElevatedButton(
onPressed: () {
Navigator.of(context).pop();
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.red,
foregroundColor: Colors.white,
),
child: Text('Voltar'),
),
),
),
Expanded(
child: SizedBox(
height: 40,
child: ElevatedButton(
onPressed:
_indexPayment != null
? () async {
try {
String? input =
listPayments[_indexPayment!].gmtDateTime
?.toString();
String? formattedDate;
if (input != null) {
String month = input.substring(0, 2); // MM
String day = input.substring(2, 4); // DD
String hour = input.substring(4, 6); // hh
String minute = input.substring(6, 8); // mm
String second = input.substring(8, 10); // ss
DateTime now = DateTime.now();
DateTime date = DateTime.utc(
now.year, // Usando o ano atual
int.parse(month), // Mês
int.parse(day), // Dia
int.parse(hour), // Hora
int.parse(minute), // Minuto
int.parse(second), // Segundo
);
twoDigits(int n) {
if (n >= 10) return "$n";
return "0$n";
}
formattedDate =
"${twoDigits(date.day)}/${twoDigits(date.month)}/${twoDigits(date.year)}";
}
final info =
await flutterGetnetPaymentPlugin.info();
final refundPayload = GetnetRefundPayload(
amount: listPayments[_indexPayment!].amount,
transactionDate: formattedDate,
cvNumber:
listPayments[_indexPayment!].cvNumber,
originTerminal: info.numlogic,
);
final response =
await flutterGetnetPaymentPlugin.refund(
refundPayload: refundPayload,
);
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(
"Simulacao Estorno realizada com sucesso! ${response.toJson()}",
),
),
);
} on GetnetRefundException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text(e.message)),
);
} on GetnetPrintException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(
"Simulação de pagamento realizado mas erro na impressão: ${e.message}",
),
),
);
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Erro desconhecido')),
);
}
}
: null,
style: ElevatedButton.styleFrom(
backgroundColor: Colors.blue,
foregroundColor: Colors.white,
),
child: Text('Cancelar'),
),
),
),
],
),
),
),
);
}
}
class _PrintPage extends StatefulWidget {
const _PrintPage();
@override
State<_PrintPage> createState() => _PrintPageState();
}
class _PrintPageState extends State<_PrintPage> {
final _flutterGetnetPaymentPlugin = FlutterGetnetPayment();
final _printTextEC = TextEditingController();
final List<DropdownMenuItem<GetnetPrintType>> _listPrintType =
GetnetPrintType.values
.map((e) => DropdownMenuItem(value: e, child: Text(e.name)))
.toList();
final List<DropdownMenuItem<GetnetPrintAlign>> _listPrintAlign =
GetnetPrintAlign.values
.map((e) => DropdownMenuItem(value: e, child: Text(e.name)))
.toList();
final List<DropdownMenuItem<GetnetPrintSize>> _listPrintSize =
GetnetPrintSize.values
.map((e) => DropdownMenuItem(value: e, child: Text(e.name)))
.toList();
GetnetPrintType _printType = GetnetPrintType.line;
GetnetPrintAlign? _printAlign = GetnetPrintAlign.center;
GetnetPrintSize _printSize = GetnetPrintSize.medium;
@override
void initState() {
super.initState();
}
@override
Widget build(BuildContext context) {
return SafeArea(
child: Scaffold(
appBar: AppBar(
title: Text('impresssão'),
centerTitle: true,
leading: Container(),
),
body: Center(
child: SingleChildScrollView(
child: Padding(
padding: const EdgeInsets.all(10.0),
child: Column(
children: [
SizedBox(height: 10),
Align(
alignment: Alignment.centerLeft,
child: Text('Tipo de Impressão'),
),
SizedBox(height: 10),
Container(
padding: const EdgeInsets.all(10.0),
decoration: BoxDecoration(
border: Border.all(),
borderRadius: BorderRadius.circular(5),
),
height: 55,
child: DropdownButton(
value: _printType,
items: _listPrintType,
isExpanded: true,
underline: Container(),
onChanged: (value) {
_printType = value!;
if (_printType == GetnetPrintType.text) {
_printAlign = GetnetPrintAlign.center;
_printSize = GetnetPrintSize.medium;
} else {
_printAlign = GetnetPrintAlign.left;
_printSize = GetnetPrintSize.medium;
}
setState(() {});
},
),
),
if (_printType == GetnetPrintType.text)
Column(
children: [
SizedBox(height: 10),
Align(
alignment: Alignment.centerLeft,
child: Text('Alinhamento da Impressão'),
),
SizedBox(height: 10),
Container(
padding: const EdgeInsets.all(10.0),
decoration: BoxDecoration(
border: Border.all(),
borderRadius: BorderRadius.circular(5),
),
height: 55,
child: DropdownButton(
value: _printAlign,
items: _listPrintAlign,
isExpanded: true,
underline: Container(),
onChanged: (value) {
_printAlign = value!;
setState(() {});
},
),
),
],
),
if (_printType == GetnetPrintType.text)
Column(
children: [
SizedBox(height: 10),
Align(
alignment: Alignment.centerLeft,
child: Text('Tamanho da Impressão'),
),
SizedBox(height: 10),
Container(
padding: const EdgeInsets.all(10.0),
decoration: BoxDecoration(
border: Border.all(),
borderRadius: BorderRadius.circular(5),
),
height: 55,
child: DropdownButton(
value: _printSize,
items: _listPrintSize,
isExpanded: true,
underline: Container(),
onChanged: (value) {
_printSize = value!;
setState(() {});
},
),
),
],
),
(_printType != GetnetPrintType.image)
? Column(
children: [
SizedBox(height: 10),
Align(
alignment: Alignment.centerLeft,
child: Text('Texto para Impressão'),
),
SizedBox(height: 10),
TextFormField(
controller: _printTextEC,
decoration: InputDecoration(
hintText: 'Texto',
border: OutlineInputBorder(),
),
),
],
)
: Column(
children: [
Image.network(
'https://zup.com.br/wp-content/uploads/2021/03/5ce2fde702ef93c1e994d987_flutter.png',
),
],
),
],
),
),
),
),
bottomNavigationBar: Padding(
padding: const EdgeInsets.all(10.0),
child: Row(
children: [
Expanded(
child: SizedBox(
height: 40,
child: ElevatedButton(
onPressed: () {
Navigator.of(context).pop();
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.red,
foregroundColor: Colors.white,
),
child: Text('Voltar'),
),
),
),
SizedBox(width: 10),
Expanded(
child: SizedBox(
height: 40,
child: ElevatedButton(
onPressed: () async {
try {
String? image64;
if (_printType == GetnetPrintType.image) {
image64 = await imageToBase64(
'https://zup.com.br/wp-content/uploads/2021/03/5ce2fde702ef93c1e994d987_flutter.png',
);
}
final print = GetnetPrintPayload(
printableContent: [
GetnetContentprint(
type: _printType,
align: _printAlign,
content: _printTextEC.text,
size: _printSize,
imagePath: image64,
),
],
);
await _flutterGetnetPaymentPlugin.print(
printPayload: print,
);
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text("Impressão realizada com sucesso!"),
),
);
} on GetnetPrintException catch (e) {
ScaffoldMessenger.of(
context,
).showSnackBar(SnackBar(content: Text(e.message)));
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Erro desconhecido')),
);
}
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.green,
foregroundColor: Colors.white,
),
child: Text('imprimir'),
),
),
),
],
),
),
),
);
}
Future<String?> imageToBase64(String imageUrl) async {
try {
final response = await http.get(Uri.parse(imageUrl));
if (response.statusCode == 200) {
return base64Encode(response.bodyBytes);
}
} catch (e) {
if (kDebugMode) {
print("Erro ao converter imagem para Base64: $e");
}
}
return null;
}
}Metadata
1
likes
0
points
18
downloads
Publisher
unverified uploader
Weekly Downloads
Metadata
Plugin flutter que faz a integração com o SDK da getnet, para pagamento com maquininhas POS
Repository (GitHub)
View/report issues
License
unknown (license)
Dependencies
flutter, plugin_platform_interface
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