feat : Product Purchase Widget

lib/screens/purchase/payment_page.dart

@@ -0,0 +1,102 @@
+import 'package:flutter/material.dart';
+import 'package:tosspayments_widget_sdk_flutter/model/payment_info.dart';
+import 'package:tosspayments_widget_sdk_flutter/model/payment_widget_options.dart';
+import 'package:tosspayments_widget_sdk_flutter/payment_widget.dart';
+import 'package:tosspayments_widget_sdk_flutter/widgets/agreement.dart';
+import 'package:tosspayments_widget_sdk_flutter/widgets/payment_method.dart';
+
+class PaymentPage extends StatefulWidget {
+  const PaymentPage({super.key});
+  @override
+  State<PaymentPage> createState() {
+    return _PaymentPageState();
+  }
+}
+
+class _PaymentPageState extends State<PaymentPage> {
+  late PaymentWidget _paymentWidget;
+  PaymentMethodWidgetControl? _paymentMethodWidgetControl;
+  AgreementWidgetControl? _agreementWidgetControl;
+  @override
+  void initState() {
+    super.initState();
+    _paymentWidget = PaymentWidget(
+      clientKey: "test_gck_docs_Ovk5rk1EwkEbP0W43n07xlzm",
+      customerKey: "ynygwDdyclboRnSIgyNqw",
+      // 결제위젯에 브랜드페이 추가하기
+      // paymentWidgetOptions: PaymentWidgetOptions(brandPayOption: BrandPayOption("리다이렉트 URL")) // Access Token 발급에 사용되는 리다이렉트 URL
+    );
+    _paymentWidget
+        .renderPaymentMethods(
+            selector: 'methods',
+            amount: Amount(value: 300, currency: Currency.KRW, country: "KR"),
+            options: RenderPaymentMethodsOptions(variantKey: "DEFAULT"))
+        .then((control) {
+      _paymentMethodWidgetControl = control;
+    });
+    _paymentWidget.renderAgreement(selector: 'agreement').then((control) {
+      _agreementWidgetControl = control;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: SafeArea(
+        child: Column(
+          children: [
+            Expanded(
+              child: ListView(
+                children: [
+                  PaymentMethodWidget(
+                    paymentWidget: _paymentWidget,
+                    selector: 'methods',
+                  ),
+                  AgreementWidget(
+                      paymentWidget: _paymentWidget, selector: 'agreement'),
+                  ElevatedButton(
+                      onPressed: () async {
+                        final paymentResult =
+                            await _paymentWidget.requestPayment(
+                                paymentInfo: const PaymentInfo(
+                                    orderId: '_t1fPAFA2Lm84f08Gkw2x',
+                                    orderName: '토스 티셔츠 외 2건'));
+                        if (paymentResult.success != null) {
+                          // 결제 성공 처리
+                        } else if (paymentResult.fail != null) {
+                          // 결제 실패 처리
+                        }
+                      },
+                      child: const Text('결제하기')),
+                  // ElevatedButton(
+                  //     onPressed: () async {
+                  //       final selectedPaymentMethod =
+                  //           await _paymentMethodWidgetControl
+                  //               ?.getSelectedPaymentMethod();
+                  //       print(
+                  //           '${selectedPaymentMethod?.method} ${selectedPaymentMethod?.easyPay?.provider ?? ''}');
+                  //     },
+                  //     child: const Text('선택한 결제수단 출력')),
+                  // ElevatedButton(
+                  //     onPressed: () async {
+                  //       final agreementStatus =
+                  //           await _agreementWidgetControl?.getAgreementStatus();
+                  //       print('${agreementStatus?.agreedRequiredTerms}');
+                  //     },
+                  //     child: const Text('약관 동의 상태 출력')),
+                  // ElevatedButton(
+                  //     onPressed: () async {
+                  //       await _paymentMethodWidgetControl?.updateAmount(
+                  //           amount: 300);
+                  //       print('결제 금액이 300원으로 변경되었습니다.');
+                  //     },
+                  //     child: const Text('결제 금액 변경'))
+                ],
+              ),
+            )
+          ],
+        ),
+      ),
+    );
+  }
+}

linux/flutter/generated_plugin_registrant.cc

@@ -7,9 +7,13 @@
 #include "generated_plugin_registrant.h"
 
 #include <flutter_secure_storage_linux/flutter_secure_storage_linux_plugin.h>
+#include <url_launcher_linux/url_launcher_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
   g_autoptr(FlPluginRegistrar) flutter_secure_storage_linux_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "FlutterSecureStorageLinuxPlugin");
   flutter_secure_storage_linux_plugin_register_with_registrar(flutter_secure_storage_linux_registrar);
+  g_autoptr(FlPluginRegistrar) url_launcher_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "UrlLauncherPlugin");
+  url_launcher_plugin_register_with_registrar(url_launcher_linux_registrar);
 }

linux/flutter/generated_plugins.cmake

@@ -4,6 +4,7 @@
 
 list(APPEND FLUTTER_PLUGIN_LIST
   flutter_secure_storage_linux
+  url_launcher_linux
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -7,18 +7,22 @@ import Foundation
 
 import firebase_auth
 import firebase_core
+import flutter_inappwebview_macos
 import flutter_secure_storage_macos
 import google_sign_in_ios
 import path_provider_foundation
 import shared_preferences_foundation
 import sqflite
+import url_launcher_macos
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   FLTFirebaseAuthPlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseAuthPlugin"))
   FLTFirebaseCorePlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseCorePlugin"))
+  InAppWebViewFlutterPlugin.register(with: registry.registrar(forPlugin: "InAppWebViewFlutterPlugin"))
   FlutterSecureStoragePlugin.register(with: registry.registrar(forPlugin: "FlutterSecureStoragePlugin"))
   FLTGoogleSignInPlugin.register(with: registry.registrar(forPlugin: "FLTGoogleSignInPlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
   SqflitePlugin.register(with: registry.registrar(forPlugin: "SqflitePlugin"))
+  UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))
 }

pubspec.yaml

@@ -54,6 +54,7 @@ dependencies:
   simple_shadow: ^0.3.1
   toggle_list: ^0.3.1
   carousel_slider: ^5.0.0
+  tosspayments_widget_sdk_flutter: ^2.0.6
 
 dev_dependencies:
   flutter_lints: ^4.0.0

windows/flutter/generated_plugin_registrant.cc

@@ -9,6 +9,7 @@
 #include <firebase_auth/firebase_auth_plugin_c_api.h>
 #include <firebase_core/firebase_core_plugin_c_api.h>
 #include <flutter_secure_storage_windows/flutter_secure_storage_windows_plugin.h>
+#include <url_launcher_windows/url_launcher_windows.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
   FirebaseAuthPluginCApiRegisterWithRegistrar(
@@ -17,4 +18,6 @@ void RegisterPlugins(flutter::PluginRegistry* registry) {
       registry->GetRegistrarForPlugin("FirebaseCorePluginCApi"));
   FlutterSecureStorageWindowsPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("FlutterSecureStorageWindowsPlugin"));
+  UrlLauncherWindowsRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("UrlLauncherWindows"));
 }

windows/flutter/generated_plugins.cmake

@@ -6,6 +6,7 @@ list(APPEND FLUTTER_PLUGIN_LIST
   firebase_auth
   firebase_core
   flutter_secure_storage_windows
+  url_launcher_windows
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST