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Add better coverage for the advanced integration with an example appl…
…ication and additional information on the readme
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| // Copyright 2024 Google LLC | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // https://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
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| import 'dart:async'; | ||
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| import 'package:flutter/foundation.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter/services.dart'; | ||
| import 'package:flutter_localizations/flutter_localizations.dart'; | ||
| import 'package:pay/pay.dart'; | ||
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|
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| import 'payment_configurations.dart' as payment_configurations; | ||
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| void main() { | ||
| runApp(const PayAdvancedMaterialApp()); | ||
| } | ||
|
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| const googlePayEventChannelName = 'plugins.flutter.io/pay/payment_result'; | ||
| const _paymentItems = [ | ||
| PaymentItem( | ||
| label: 'Total', | ||
| amount: '99.99', | ||
| status: PaymentItemStatus.final_price, | ||
| ) | ||
| ]; | ||
|
|
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| class PayAdvancedMaterialApp extends StatelessWidget { | ||
| const PayAdvancedMaterialApp({super.key}); | ||
|
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| @override | ||
| Widget build(BuildContext context) { | ||
| return MaterialApp( | ||
| title: 'Pay for Flutter Advanced Integration Demo', | ||
| localizationsDelegates: const [ | ||
| ...GlobalMaterialLocalizations.delegates, | ||
| GlobalWidgetsLocalizations.delegate, | ||
| ], | ||
| supportedLocales: const [ | ||
| Locale('en', ''), | ||
| Locale('es', ''), | ||
| Locale('de', ''), | ||
| ], | ||
| home: PayAdvancedSampleApp(), | ||
| ); | ||
| } | ||
| } | ||
|
|
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| class PayAdvancedSampleApp extends StatefulWidget { | ||
| final Pay payClient; | ||
|
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| PayAdvancedSampleApp({super.key}) | ||
| : payClient = Pay({ | ||
| PayProvider.google_pay: payment_configurations.defaultGooglePayConfig, | ||
| PayProvider.apple_pay: payment_configurations.defaultApplePayConfig, | ||
| }); | ||
|
|
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| @override | ||
| State<PayAdvancedSampleApp> createState() => _PayAdvancedSampleAppState(); | ||
| } | ||
|
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| class _PayAdvancedSampleAppState extends State<PayAdvancedSampleApp> { | ||
| static const eventChannel = EventChannel(googlePayEventChannelName); | ||
| StreamSubscription<String>? _googlePayResultSubscription; | ||
|
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| late final Future<bool> _canPayGoogleFuture; | ||
| late final Future<bool> _canPayAppleFuture; | ||
|
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| // A method to listen to events coming from the event channel on Android | ||
| void _startListeningForPaymentResults() { | ||
| _googlePayResultSubscription = eventChannel | ||
| .receiveBroadcastStream() | ||
| .map((result) => result.toString()) | ||
| .listen(debugPrint, onError: (error) => debugPrint(error.toString())); | ||
| } | ||
|
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||
| @override | ||
| void initState() { | ||
| super.initState(); | ||
| if (defaultTargetPlatform == TargetPlatform.android) { | ||
| _startListeningForPaymentResults(); | ||
| } | ||
|
|
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| // Initialize userCanPay futures | ||
| _canPayGoogleFuture = widget.payClient.userCanPay(PayProvider.google_pay); | ||
| _canPayAppleFuture = widget.payClient.userCanPay(PayProvider.apple_pay); | ||
| } | ||
|
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| void _onGooglePayPressed() => | ||
| _showPaymentSelectorForProvider(PayProvider.google_pay); | ||
|
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| void _onApplePayPressed() => | ||
| _showPaymentSelectorForProvider(PayProvider.apple_pay); | ||
|
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| void _showPaymentSelectorForProvider(PayProvider provider) async { | ||
| try { | ||
| final result = | ||
| await widget.payClient.showPaymentSelector(provider, _paymentItems); | ||
| debugPrint(result.toString()); | ||
| } catch (error) { | ||
| debugPrint(error.toString()); | ||
| } | ||
| } | ||
|
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||
| @override | ||
| void dispose() { | ||
| _googlePayResultSubscription?.cancel(); | ||
| _googlePayResultSubscription = null; | ||
| super.dispose(); | ||
| } | ||
|
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| @override | ||
| Widget build(BuildContext context) { | ||
| return Scaffold( | ||
| appBar: AppBar( | ||
| title: const Text('T-shirt Shop'), | ||
| ), | ||
| backgroundColor: Colors.white, | ||
| body: ListView( | ||
| padding: const EdgeInsets.symmetric(horizontal: 20), | ||
| children: [ | ||
| Container( | ||
| margin: const EdgeInsets.symmetric(vertical: 20), | ||
| child: const Image( | ||
| image: AssetImage('assets/images/ts_10_11019a.jpg'), | ||
| height: 350, | ||
| ), | ||
| ), | ||
| const Text( | ||
| 'Amanda\'s Polo Shirt', | ||
| style: TextStyle( | ||
| fontSize: 20, | ||
| color: Color(0xff333333), | ||
| fontWeight: FontWeight.bold, | ||
| ), | ||
| ), | ||
| const SizedBox(height: 5), | ||
| const Text( | ||
| '\$50.20', | ||
| style: TextStyle( | ||
| color: Color(0xff777777), | ||
| fontSize: 15, | ||
| ), | ||
| ), | ||
| const SizedBox(height: 15), | ||
| const Text( | ||
| 'Description', | ||
| style: TextStyle( | ||
| fontSize: 15, | ||
| color: Color(0xff333333), | ||
| fontWeight: FontWeight.bold, | ||
| ), | ||
| ), | ||
| const SizedBox(height: 5), | ||
| const Text( | ||
| 'A versatile full-zip that you can wear all day long and even...', | ||
| style: TextStyle( | ||
| color: Color(0xff777777), | ||
| fontSize: 15, | ||
| ), | ||
| ), | ||
|
|
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| // Google Pay button | ||
| FutureBuilder<bool>( | ||
| future: _canPayGoogleFuture, | ||
| builder: (context, snapshot) { | ||
| if (snapshot.connectionState == ConnectionState.done) { | ||
| if (snapshot.data == true) { | ||
| return RawGooglePayButton( | ||
| paymentConfiguration: | ||
| payment_configurations.defaultGooglePayConfig, | ||
| type: GooglePayButtonType.buy, | ||
| onPressed: _onGooglePayPressed); | ||
| } else { | ||
| // userCanPay returned false | ||
| // Consider showing an alternative payment method | ||
| } | ||
| } else { | ||
| // The operation hasn't finished loading | ||
| // Consider showing a loading indicator | ||
| } | ||
| // This example shows an empty box if userCanPay returns false | ||
| return const SizedBox.shrink(); | ||
| }, | ||
| ), | ||
|
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| // Apple Pay button | ||
| FutureBuilder<bool>( | ||
| future: _canPayAppleFuture, | ||
| builder: (context, snapshot) { | ||
| if (snapshot.connectionState == ConnectionState.done) { | ||
| if (snapshot.data == true) { | ||
| return RawApplePayButton( | ||
| type: ApplePayButtonType.buy, | ||
| onPressed: _onApplePayPressed); | ||
| } else { | ||
| // userCanPay returned false | ||
| // Consider showing an alternative payment method | ||
| } | ||
| } else { | ||
| // The operation hasn't finished loading | ||
| // Consider showing a loading indicator | ||
| } | ||
| // This example shows an empty box if userCanPay returns false | ||
| return const SizedBox.shrink(); | ||
| }, | ||
| ), | ||
| const SizedBox(height: 15) | ||
| ], | ||
| ), | ||
| ); | ||
| } | ||
| } |