Flutter支付集成插件flutter_klarna的使用

flutter_klarna

这是一个新的Flutter插件项目。

使用说明

开始使用

此项目是一个用于Flutter的插件包起点，它包含Android和/或iOS平台特定实现代码的专用包。

要开始Flutter开发，请查看在线文档，其中提供了教程、示例、移动开发指南以及完整的API参考。

示例代码

以下是一个完整的示例代码，展示了如何在Flutter中使用flutter_klarna插件进行支付集成。

示例代码：example/lib/main.dart

import 'package:flutter/material.dart';
import 'dart:async';

import 'package:flutter/services.dart';
import 'package:flutter_klarna/flutter_klarna.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  [@override](/user/override)
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  // 定义事件通道
  EventChannel eventChannel = const EventChannel("flutter_klarna");

  // 平台版本变量
  String _platformVersion = 'Unknown';

  // 初始化插件实例
  final _flutterKlarnaPlugin = FlutterKlarna();

  // 创建参数
  final Map<String, dynamic> creationParams = {};

  [@override](/user/override)
  void initState() {
    super.initState();

    // 监听事件通道
    eventChannel.receiveBroadcastStream().listen(
      (event) {
        // 检查是否接收到授权令牌
        if (event['authToken'] != null) {
          print('event.authToken received: ' + event['authToken']);
        } 
        // 检查是否处于加载状态
        else if (event['data'] != null && event['data'] == "loading") {
          print('loading');
        }
      },
    );
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    // 设置客户端令牌和返回URL
    creationParams['clientToken'] =
        "eyJhbGciOiJSUzI1NiIsImtpZCI6IjgyMzA1ZWJjLWI4MTEtMzYzNy1hYTRjLTY2ZWNhMTg3NGYzZCJ9.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.bLvpbJIi-039y6KSmH1e1mG0kIT99c7CX2-H1HlA25onGjm3dzhcFwXtilR6V_eTx2l3RNODQH5vQJcqWjJc0g6zhvVDJW6UX_1UoMm-H0Kr1w48lKFKvbnkpf6lMSBmnBaxL5bBdKytxmJpOp0t3Cez_7B0HJ2SP2VB3FL22m9LK_d01Ycr_f00TLPaOxoGCBk-ObzX9Es72cKACFJjwc5LRhntV1DwVgHSXzrp1ifr5WEtC1UVuzDwNcp2hCi8ww4uNQ2ZG5iO18QUv0-YJ_xC2fsahE94jpjmFf4QLWgfGJTUY1V4ZfsyorTHNuv7dmAB6Yd6G1bOGZGGmx1UQA";
    creationParams['returnUrl'] = "https://gotitstores.com";

    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Column(
          mainAxisAlignment: MainAxisAlignment.start,
          children: [
            // 显示Klarna支付视图
            Expanded(
              child: UiKitView(
                viewType: 'FlutterKlarna',
                layoutDirection: TextDirection.ltr,
                creationParams: creationParams,
                creationParamsCodec: const StandardMessageCodec(),
              ),
            ),
            // 支付按钮
            Expanded(
              child: Row(
                children: [
                  TextButton(
                    onPressed: () {
                      // 调用支付方法
                      _flutterKlarnaPlugin.payWithKlarna();
                    },
                    child: Text("Pay"),
                  )
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }
}