flutter_stone_payment 1.1.3 
flutter_stone_payment: ^1.1.3 copied to clipboard
Plugin flutter que faz a integração com o SDK da stone, para pagamento com maquininhas POS
example/lib/main.dart
import 'dart:convert';
import 'dart:math';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_stone_payment/constants/stone_info_exception.dart';
import 'package:flutter_stone_payment/constants/stone_installment_type.dart';
import 'package:flutter_stone_payment/constants/stone_print_content_types.dart';
import 'package:flutter_stone_payment/constants/stone_reprint_type.dart';
import 'package:flutter_stone_payment/constants/stone_transaction_type.dart';
import 'package:flutter_stone_payment/exceptions/stone_cancel_exception.dart';
import 'package:flutter_stone_payment/exceptions/stone_payment_exception.dart';
import 'package:flutter_stone_payment/exceptions/stone_print_exception.dart';
import 'package:flutter_stone_payment/exceptions/stone_reprint_exception.dart';
import 'package:flutter_stone_payment/flutter_stone_payment.dart';
import 'package:flutter_stone_payment/models/stone_cancel_payload.dart';
import 'package:flutter_stone_payment/models/stone_content_print.dart';
import 'package:flutter_stone_payment/models/stone_payment_payload.dart';
import 'package:flutter_stone_payment/models/stone_print_payload.dart';
import 'package:flutter_stone_payment/models/stone_reprint_payload.dart';
import 'package:http/http.dart' as http;
import 'dart:ui' as ui;
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: (_) => _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: () {
Navigator.of(context).push(MaterialPageRoute(builder: (_) => _ReprintPage()));
},
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 FlutterStonePayment().deviceInfo();
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text("Device info: ${info.toJson()}")));
} on StoneInfoException 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.pink, foregroundColor: Colors.white),
child: Text('Device Info'),
),
),
],
),
),
),
);
}
}
class _PaymentPage extends StatefulWidget {
const _PaymentPage();
@override
State<_PaymentPage> createState() => _PaymentPageState();
}
class _PaymentPageState extends State<_PaymentPage> {
final _amountEC = TextEditingController();
final _qtdEC = TextEditingController();
final _flutterStonePaymentPlugin = FlutterStonePayment();
final List<DropdownMenuItem<StoneTransactionType?>> _listTypes =
StoneTransactionType.values.map((e) => DropdownMenuItem(value: e, child: Text(e.name))).toList();
final List<DropdownMenuItem<StoneInstallmentType?>> _listInstallmentType =
StoneInstallmentType.values.map((e) => DropdownMenuItem(value: e, child: Text(e.name))).toList();
StoneTransactionType? _transactionType;
StoneInstallmentType? _transactionInstallmentType;
bool _editableAmount = false;
@override
void initState() {
super.initState();
_listTypes.add(DropdownMenuItem<StoneTransactionType>(value: null, child: Text('NENHUM')));
_listInstallmentType.add(DropdownMenuItem<StoneInstallmentType>(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: _listTypes,
isExpanded: true,
underline: Container(),
onChanged: (value) {
_transactionInstallmentType = 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 == StoneTransactionType.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: _transactionInstallmentType,
items: _listInstallmentType,
isExpanded: true,
underline: Container(),
onChanged: (value) {
_transactionInstallmentType = 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,
),
],
),
)
],
),
),
InkWell(
onTap: () {
setState(() {
_editableAmount = !_editableAmount;
});
},
child: Row(
children: [
Checkbox(
value: _editableAmount,
onChanged: (_) {
setState(() {
_editableAmount = !_editableAmount;
});
}),
Text(
"Valor Editável",
style: TextStyle(fontSize: 18),
),
],
),
),
],
),
),
),
),
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.tryParse(_amountEC.text);
int? qtdPar = int.tryParse(_qtdEC.text);
final payment = StonePaymentPayload(
amount: amount,
transactionType: _transactionType,
orderId: Random().nextInt(1000).toString(),
installmentCount: qtdPar,
installmentType: _transactionInstallmentType,
editableAmount: _editableAmount);
final response = await _flutterStonePaymentPlugin.pay(paymentPayload: payment);
final print = StonePrintPayload(
printableContent: [StoneContentprint(type: StonePrintType.line, content: response.toJson().toString())], showFeedbackScreen: false);
await _flutterStonePaymentPlugin.print(printPayload: print);
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text("Simulacao pagamento e Impressão realizada com sucesso!")));
} on StonePaymentException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.message)));
} on StonePrintException 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> {
final _flutterStonePaymentPlugin = FlutterStonePayment();
final _amountEC = TextEditingController();
final _atkEC = TextEditingController();
String _responseCancel = "";
bool _editableAmount = false;
@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(
children: [
Align(alignment: Alignment.centerLeft, child: Text('Valor')),
SizedBox(height: 10),
TextFormField(
controller: _amountEC,
decoration: InputDecoration(
hintText: 'Valor',
border: OutlineInputBorder(),
),
keyboardType: TextInputType.number,
),
SizedBox(height: 10),
Align(alignment: Alignment.centerLeft, child: Text('Identificação do pagamento')),
SizedBox(height: 10),
TextFormField(
controller: _atkEC,
decoration: InputDecoration(
hintText: 'ATK',
border: OutlineInputBorder(),
),
),
InkWell(
onTap: () {
setState(() {
_editableAmount = !_editableAmount;
});
},
child: Row(
children: [
Checkbox(
value: _editableAmount,
onChanged: (_) {
setState(() {
_editableAmount = !_editableAmount;
});
}),
Text(
"Valor Editável",
style: TextStyle(fontSize: 18),
),
],
),
),
Text(_responseCancel),
],
),
),
),
),
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 {
_responseCancel = "SEM RESPOSTA";
double? amount = double.tryParse(_amountEC.text);
final cancel = StoneCancelPayload(amount: amount, atk: _atkEC.text, editableAmount: _editableAmount);
final response = await _flutterStonePaymentPlugin.cancel(cancelPayload: cancel);
_responseCancel = response.toJson().toString();
final print = StonePrintPayload(printableContent: [
StoneContentprint(
type: StonePrintType.text,
align: StonePrintAlign.center,
size: StonePrintSize.big,
content: "Cancelamento Simulado\n\n${response.toJson().toString()}"),
], showFeedbackScreen: false);
await _flutterStonePaymentPlugin.print(printPayload: print);
ScaffoldMessenger.of(context)
.showSnackBar(SnackBar(content: Text("Simulacao Cancelamento e Impressão realizada com sucesso! $cancel")));
} on StoneCancelException catch (e) {
_responseCancel = e.message;
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.message)));
} on StonePrintException catch (e) {
_responseCancel = e.message;
ScaffoldMessenger.of(context)
.showSnackBar(SnackBar(content: Text("Simulação de pagamento realizado mas erro na impressão: ${e.message}")));
} catch (e) {
_responseCancel = "Erro desconhecido";
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Erro desconhecido')));
} finally {
setState(() {});
}
},
style: ElevatedButton.styleFrom(backgroundColor: Colors.green, foregroundColor: Colors.white),
child: Text('Continuar'),
),
),
),
],
),
),
),
);
}
}
class _PrintPage extends StatefulWidget {
const _PrintPage();
@override
State<_PrintPage> createState() => _PrintPageState();
}
class _PrintPageState extends State<_PrintPage> {
final _flutterStonePaymentPlugin = FlutterStonePayment();
final _printTextEC = TextEditingController();
final List<DropdownMenuItem<StonePrintType>> _listPrintType = StonePrintType.values.map((e) => DropdownMenuItem(value: e, child: Text(e.name))).toList();
final List<DropdownMenuItem<StonePrintAlign>> _listPrintAlign = StonePrintAlign.values.map((e) => DropdownMenuItem(value: e, child: Text(e.name))).toList();
final List<DropdownMenuItem<StonePrintSize>> _listPrintSize = StonePrintSize.values.map((e) => DropdownMenuItem(value: e, child: Text(e.name))).toList();
StonePrintType _printType = StonePrintType.line;
StonePrintAlign? _printAlign = StonePrintAlign.center;
StonePrintSize? _printSize = StonePrintSize.medium;
bool _showFeedbackScreen = false;
@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 == StonePrintType.text) {
_printAlign = StonePrintAlign.center;
_printSize = StonePrintSize.medium;
} else {
_printAlign = null;
_printSize = null;
}
setState(() {});
},
),
),
if (_printType == StonePrintType.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 == StonePrintType.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 != StonePrintType.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://css-tricks.com/wp-content/uploads/2022/08/flutter-clouds.jpg')],
),
InkWell(
onTap: () {
setState(() {
_showFeedbackScreen = !_showFeedbackScreen;
});
},
child: Row(
children: [
Checkbox(
value: _showFeedbackScreen,
onChanged: (_) {
setState(() {
_showFeedbackScreen = !_showFeedbackScreen;
});
}),
Expanded(
child: Text(
"Mostrar tela de feedback",
style: TextStyle(fontSize: 18),
),
),
],
),
),
],
),
),
),
),
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 == StonePrintType.image) {
image64 = await imageToBase64('https://css-tricks.com/wp-content/uploads/2022/08/flutter-clouds.jpg');
}
final print = StonePrintPayload(printableContent: [
StoneContentprint(type: _printType, align: _printAlign, content: _printTextEC.text, size: _printSize, imagePath: image64)
], showFeedbackScreen: _showFeedbackScreen);
await _flutterStonePaymentPlugin.print(printPayload: print);
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text("Impressão realizada com sucesso!")));
} on StonePrintException 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) {
final originalBytes = response.bodyBytes;
// Decodifica a imagem original
final codec = await ui.instantiateImageCodec(originalBytes);
final frame = await codec.getNextFrame();
final image = frame.image;
const maxWidth = 380;
final originalWidth = image.width;
final originalHeight = image.height;
// Se a largura for menor que maxWidth, usa a imagem original
if (originalWidth <= maxWidth) {
return base64Encode(originalBytes);
}
// Calcula nova altura mantendo proporção
final ratio = maxWidth / originalWidth;
final targetHeight = (originalHeight * ratio).round();
// Cria nova imagem redimensionada
final recorder = ui.PictureRecorder();
final canvas = ui.Canvas(recorder);
canvas.drawImageRect(image, Rect.fromLTWH(0, 0, originalWidth.toDouble(), originalHeight.toDouble()),
Rect.fromLTWH(0, 0, maxWidth.toDouble(), targetHeight.toDouble()), Paint()..filterQuality = ui.FilterQuality.high);
final picture = recorder.endRecording();
final resizedImage = await picture.toImage(maxWidth, targetHeight);
final byteData = await resizedImage.toByteData(format: ui.ImageByteFormat.png);
if (byteData != null) {
return base64Encode(byteData.buffer.asUint8List());
}
}
return null;
} catch (e) {
if (kDebugMode) {
print("Erro ao converter imagem para Base64: $e");
}
return null;
}
}
}
class _ReprintPage extends StatefulWidget {
const _ReprintPage();
@override
State<_ReprintPage> createState() => _ReprintPageState();
}
class _ReprintPageState extends State<_ReprintPage> {
final _flutterStonePaymentPlugin = FlutterStonePayment();
final _atkEC = TextEditingController();
final List<DropdownMenuItem<StoneTypeCustomer>> _listTypeCustomer =
StoneTypeCustomer.values.map((e) => DropdownMenuItem(value: e, child: Text(e.name))).toList();
StoneTypeCustomer _typeCustomer = StoneTypeCustomer.MERCHANT;
bool _showFeedbackScreen = false;
@override
void initState() {
super.initState();
}
@override
Widget build(BuildContext context) {
return SafeArea(
child: Scaffold(
appBar: AppBar(
title: Text('Reimprimir'),
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 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: _typeCustomer,
items: _listTypeCustomer,
isExpanded: true,
underline: Container(),
onChanged: (value) {
_typeCustomer = value!;
setState(() {});
},
),
),
SizedBox(height: 10),
Align(alignment: Alignment.centerLeft, child: Text('Identificação do pagamento')),
SizedBox(height: 10),
TextFormField(
controller: _atkEC,
decoration: InputDecoration(
hintText: 'ATK',
border: OutlineInputBorder(),
),
),
InkWell(
onTap: () {
setState(() {
_showFeedbackScreen = !_showFeedbackScreen;
});
},
child: Row(
children: [
Checkbox(
value: _showFeedbackScreen,
onChanged: (_) {
setState(() {
_showFeedbackScreen = !_showFeedbackScreen;
});
}),
Expanded(
child: Text(
"Mostrar tela de feedback",
style: TextStyle(fontSize: 18),
),
),
],
),
),
],
),
),
),
),
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 {
final reprint = StoneReprintPayload(atk: _atkEC.text, typeCustomer: _typeCustomer, showFeedbackScreen: _showFeedbackScreen);
await _flutterStonePaymentPlugin.reprint(reprintPayload: reprint);
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text("Impressão realizada com sucesso!")));
} on StoneReprintException 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('Reimprimir'),
),
),
),
],
),
),
),
);
}
}Metadata
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likes
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points
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downloads
Publisher
unverified uploader
Weekly Downloads
Metadata
Plugin flutter que faz a integração com o SDK da stone, para pagamento com maquininhas POS
Repository (GitHub)
View/report issues
License
unknown (license)
Dependencies
flutter, plugin_platform_interface
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