flutter_ifood_pago 1.0.4 
flutter_ifood_pago: ^1.0.4 copied to clipboard
Plugin flutter que faz a integração com o SDK do Ifood, para pagamento com maquininhas POS
import 'dart:convert';
import 'dart:math';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter_ifood_pago/constants/ifood_pago_print_content_types.dart';
import 'package:flutter_ifood_pago/constants/ifood_pago_transaction_type.dart';
import 'package:flutter_ifood_pago/exceptions/ifood_pago_payment_exception.dart';
import 'package:flutter_ifood_pago/exceptions/ifood_pago_print_exception.dart';
import 'package:flutter_ifood_pago/exceptions/ifood_pago_refund_exception.dart';
import 'package:flutter_ifood_pago/flutter_ifood_pago.dart';
import 'package:flutter_ifood_pago/models/ifood_pago_content_print.dart';
import 'package:flutter_ifood_pago/models/ifood_pago_payment_payload.dart';
import 'package:flutter_ifood_pago/models/ifood_pago_print_payload.dart';
import 'package:flutter_ifood_pago/models/ifood_pago_refund_payload.dart';
import 'package:http/http.dart' as http;
import 'dart:ui' as ui;
final flutterIfoodPagoPlugin = FlutterIfoodPago();
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: (_) => _EstonoPage()));
},
style: ElevatedButton.styleFrom(backgroundColor: Colors.red, foregroundColor: Colors.white),
child: Text('Estorno'),
),
),
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 {
// final info = await FlutterIfoodPago().deviceInfo();
// ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text("Device info: ${info.toJson()}")));
// } on IfoodPagoInfoException 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 List<DropdownMenuItem<IfoodPagoTransactionType?>> _listTypes = IfoodPagoTransactionType.values
.map((e) => DropdownMenuItem(value: e, child: Text(e.name)))
.toList();
IfoodPagoTransactionType? _transactionType;
@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) {
_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,
),
],
),
),
),
),
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);
if (amount == null || amount <= 0) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Valor inválido')));
return;
}
if (_transactionType == null) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Selecione um tipo de pagamento')));
return;
}
final payment = IfoodPagoPaymentPayload(
paymentMethod: _transactionType!,
value: (amount * 100).toInt(),
transactionId: DateTime.now().millisecondsSinceEpoch.toString(),
tableId: Random().nextInt(1000).toString(),
);
final response = await flutterIfoodPagoPlugin.pay(payload: payment);
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text("Simulacao pagamento realizada com sucesso!")));
} on IfoodPagoPaymentException 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('Pagar'),
),
),
),
],
),
),
),
);
}
}
class _EstonoPage extends StatefulWidget {
const _EstonoPage();
@override
State<_EstonoPage> createState() => _EstonoPageState();
}
class _EstonoPageState extends State<_EstonoPage> {
final _transactionIdEC = TextEditingController();
@override
Widget build(BuildContext context) {
return SafeArea(
child: Scaffold(
appBar: AppBar(title: Text('Estorno'), centerTitle: true, leading: Container()),
body: Center(
child: SingleChildScrollView(
child: Padding(
padding: const EdgeInsets.all(10.0),
child: Column(
children: [
SizedBox(height: 10.0),
Align(alignment: Alignment.centerLeft, child: Text('ID da Transação')),
SizedBox(height: 10),
TextFormField(
controller: _transactionIdEC,
decoration: InputDecoration(hintText: 'ID da Transação', border: OutlineInputBorder()),
keyboardType: TextInputType.text,
),
],
),
),
),
),
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 transactionId = _transactionIdEC.text.trim();
if (transactionId.isEmpty) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('ID da transação é obrigatório')));
return;
}
final refund = IfoodPagoRefundPayload(transactionIdAdyen: transactionId);
final response = await flutterIfoodPagoPlugin.refund(payload: refund);
if (response.status.name == 'SUCCESS') {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text("Simulacao estorno realizada com sucesso!")));
} else {
throw IfoodPagoRefundException(message: "Erro ao realizar estorno");
}
} on IfoodPagoRefundException 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('Estornar'),
),
),
),
],
),
),
),
);
}
}
class _PrintPage extends StatefulWidget {
const _PrintPage();
@override
State<_PrintPage> createState() => _PrintPageState();
}
class _PrintPageState extends State<_PrintPage> {
final _printTextEC = TextEditingController();
final _imagePathEC = TextEditingController();
final List<DropdownMenuItem<IfoodPagoPrintType>> _listPrintType = IfoodPagoPrintType.values
.map((e) => DropdownMenuItem(value: e, child: Text(e.name)))
.toList();
final List<DropdownMenuItem<IfoodPagoPrintAlign>> _listPrintAlign = IfoodPagoPrintAlign.values
.map((e) => DropdownMenuItem(value: e, child: Text(e.name)))
.toList();
final List<DropdownMenuItem<IfoodPagoPrintSize>> _listPrintSize = IfoodPagoPrintSize.values
.map((e) => DropdownMenuItem(value: e, child: Text(e.name)))
.toList();
IfoodPagoPrintType _printType = IfoodPagoPrintType.line;
IfoodPagoPrintAlign? _printAlign = null;
IfoodPagoPrintSize? _printSize = null;
bool _ignoreLineBreak = false;
String? _defaultImage64;
List<Map> _previewBase64 = [];
final List<IfoodPagoContentprint> _receiptContent = [];
@override
void initState() {
super.initState();
_loadDefaultImage();
}
@override
void dispose() {
_printTextEC.dispose();
_imagePathEC.dispose();
super.dispose();
}
Future<void> _loadDefaultImage() async {
final image64 = await imageToBase64('https://css-tricks.com/wp-content/uploads/2022/08/flutter-clouds.jpg');
setState(() {
_defaultImage64 = image64;
if (_imagePathEC.text.isEmpty && image64 != null) {
_imagePathEC.text = image64;
}
});
}
void _addToReceipt() {
String? image64;
if (_printType == IfoodPagoPrintType.image) {
image64 = _imagePathEC.text.isNotEmpty ? _imagePathEC.text : _defaultImage64;
if (image64 == null || image64.isEmpty) return;
}
if (_printType != IfoodPagoPrintType.image && _printTextEC.text.isEmpty) return;
final item = IfoodPagoContentprint(
type: _printType,
align: _printAlign,
content: _printTextEC.text,
size: _printSize,
imagePath: image64,
ignoreLineBreak: _ignoreLineBreak,
);
setState(() {
_receiptContent.add(item);
_printTextEC.clear();
});
}
void _removeLine(int index) {
setState(() {
_receiptContent.removeAt(index);
});
}
void _clearReceipt() {
setState(() {
_receiptContent.clear();
});
}
@override
Widget build(BuildContext context) {
return SafeArea(
child: Scaffold(
appBar: AppBar(title: Text('Impressão'), 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) {
setState(() {
_printType = value!;
if (_printType == IfoodPagoPrintType.text) {
_printAlign = IfoodPagoPrintAlign.center;
_printSize = IfoodPagoPrintSize.medium;
} else {
_printAlign = null;
_printSize = null;
}
});
},
),
),
if (_printType == IfoodPagoPrintType.text) ...[
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) {
setState(() {
_printAlign = value!;
});
},
),
),
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) {
setState(() {
_printSize = value!;
});
},
),
),
SwitchListTile(
title: Text('Ignorar Quebra de Linha'),
value: _ignoreLineBreak,
onChanged: (val) {
setState(() {
_ignoreLineBreak = val;
});
},
),
],
if (_printType != IfoodPagoPrintType.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()),
),
],
)
else
Column(
children: [
SizedBox(height: 10),
Align(alignment: Alignment.centerLeft, child: Text('Base64 da Imagem')),
SizedBox(height: 10),
TextFormField(
controller: _imagePathEC,
decoration: InputDecoration(hintText: 'Cole o Base64 da imagem', border: OutlineInputBorder()),
minLines: 2,
maxLines: 4,
),
if (_defaultImage64 != null)
Padding(padding: const EdgeInsets.symmetric(vertical: 10), child: Image.memory(base64Decode(_defaultImage64!))),
],
),
SizedBox(height: 10),
Row(
children: [
Expanded(
child: ElevatedButton(onPressed: _addToReceipt, child: Text('Adicionar ao Recibo')),
),
SizedBox(width: 10),
Expanded(
child: ElevatedButton(onPressed: _receiptContent.isEmpty ? null : _clearReceipt, child: Text('Remover tudo')),
),
],
),
Divider(height: 32),
if (_receiptContent.isNotEmpty)
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('Conteúdo do Recibo:', style: TextStyle(fontWeight: FontWeight.bold)),
..._receiptContent.asMap().entries.map(
(entry) => Card(
margin: EdgeInsets.symmetric(vertical: 4),
child: ListTile(
title: Text(entry.value.type.name),
subtitle: Text(entry.value.type == IfoodPagoPrintType.image ? 'Imagem' : (entry.value.content ?? '')),
trailing: IconButton(
icon: Icon(Icons.delete, color: Colors.red),
tooltip: 'Remover linha',
onPressed: () => _removeLine(entry.key),
),
),
),
),
],
),
SizedBox(height: 20),
if (_previewBase64.isNotEmpty) ...[
Text("Pré-visualização:", style: TextStyle(fontWeight: FontWeight.bold)),
SizedBox(height: 10),
...List.generate(_previewBase64.length, (index) {
if (_previewBase64[index]['imageBase64'] is String && _previewBase64[index]['imageBase64'].isNotEmpty) {
return Column(
children: [
if (_previewBase64[index]['messageError'] != null)
Padding(
padding: const EdgeInsets.symmetric(vertical: 10),
child: Text(_previewBase64[index]['messageError'], style: TextStyle(color: Colors.red)),
),
Padding(padding: const EdgeInsets.symmetric(vertical: 10), child: Image.memory(base64Decode(_previewBase64[index]['imageBase64']))),
],
);
}
return SizedBox.shrink();
}),
SizedBox(height: 10),
],
],
),
),
),
),
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: _receiptContent.isEmpty
? null
: () async {
try {
final print = IfoodPagoPrintPayload(
integrationApp: 'Exemplo_integradora',
printableContent: List<IfoodPagoContentprint>.from(_receiptContent),
groupAll: true,
);
_previewBase64 = await flutterIfoodPagoPlugin.printData(payload: print);
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text("Impressão realizada com sucesso!")));
setState(() {});
} on IfoodPagoPrintException 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;
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;
if (originalWidth <= maxWidth) {
return base64Encode(originalBytes);
}
final ratio = maxWidth / originalWidth;
final targetHeight = (originalHeight * ratio).round();
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;
}
}
}Metadata
1
likes
130
points
35
downloads
Publisher
unverified uploader
Weekly Downloads
Metadata
Plugin flutter que faz a integração com o SDK do Ifood, para pagamento com maquininhas POS
Repository (GitHub)
View/report issues
Documentation
License
MIT (license)
Dependencies
flutter, http, image, plugin_platform_interface, shared_preferences
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