Flutter插件amutha_flutter_sdk介绍与使用详解

这是Flutter软件开发套件（SDK）。此SDK使在Flutter应用中构建无缝订阅体验变得高效且舒适。

要求

在安装Flutter SDK之前，必须设置以下要求：

Flutter版本2.10.0及以上
Dart SDK版本2.16.2及以上
Android Gradle插件4.0.0
Gradle 6.1.1+
AndroidX
Java 8+ 和 Kotlin

安装amutha_flutter_sdk

amutha_flutter_sdk SDK可以通过将以下依赖项添加到pubspec.yaml文件来安装：

dependencies:
  amutha_flutter_sdk: ^1.0.0

示例代码

以下是完整的示例代码，展示了如何使用amutha_flutter_sdk插件。

import 'dart:async';
import 'dart:developer';
import 'package:amutha_flutter_sdk/amutha_flutter_sdk.dart';

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'Constants.dart';
import 'package:amutha_flutter_sdk/src/utils/progress_bar.dart';
import 'alertDialog.dart';
import 'package:amutha_flutter_sdk/src/utils/product.dart';

import 'product_listview.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // 这个小部件是你的应用的根
  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(Constants.menu, title: 'Chargebee-Flutter SDK'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  final List<String> cbMenu;

  const MyHomePage(this.cbMenu, {Key? key, required this.title}) : super(key: key);

  final String title;

  [@override](/user/override)
  _MyHomePageState createState() => _MyHomePageState(cbMenu);
}

class _MyHomePageState extends State<MyHomePage> {
  _MyHomePageState(this.cbMenu);

  late List<String> cbMenu;

  List<Product> cbProductList = [];
  List<Product> products = [];
  List<dynamic> subscriptionList = [];

  final TextEditingController siteNameController = TextEditingController();
  final TextEditingController apiKeyController = TextEditingController();
  final TextEditingController sdkKeyController = TextEditingController();
  late String siteNameText, apiKeyText, sdkKeyText;

  final TextEditingController productIdTextFieldController = TextEditingController();
  late String productIDs;
  late String queryParams;

  late ProgressBarUtil mProgressBarUtil;

  [@override](/user/override)
  void initState() {
    // For Android
    authentication("cb-imay-test", "test_EojsGoGFeHoc3VpGPQDOZGAxYy3d0FF3", "cb-wpkheixkuzgxbnt23rzslg724y");

    // For iOS
    // authentication("cb-imay-test","test_EojsGoGFeHoc3VpGPQDOZGAxYy3d0FF3",
    //     "cb-njjoibyzbrhyjg7yz4hkwg2ywq");
    // initPlatformState();
    super.initState();
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    mProgressBarUtil = ProgressBarUtil(context);
    return Scaffold(
      appBar: AppBar(
        title: const Text("Chargebee- Flutter SDK Example"),
      ),
      body: ListView.builder(
        itemCount: cbMenu.length,
        itemBuilder: (context, pos) {
          return Card(
            child: ListTile(
              title: Text(cbMenu[pos]),
              onTap: () {
                onItemClick(cbMenu[pos]);
              },
            ),
          );
        },
      ),
    );
  }

  onItemClick(String menuItem) {
    switch (menuItem) {
      case Constants.config:
        {
          showAuthenticationDialog(context);
        }
        break;

      case Constants.getProducts:
        {
          showSkProductDialog(context);
        }
        break;

      case Constants.getSubscriptionStatus:
        {
          showSubscriptionDialog(context);
        }
        break;

      default:
        {
          // statements;
        }
        break;
    }
  }

  Future<void> authentication(String siteName, String apiKey, String sdkKey, [String? packageName = ""]) async {
    try {
      await Chargebee.configure(siteName, apiKey, sdkKey, packageName);
    } on PlatformException catch (e) {
      log('PlatformException : ${e.message}');
    }
  }

  Future<void> getProductIdList(List<String> productIDsList) async {
    try {
      cbProductList = await Chargebee.retrieveProducts(productIDsList);
      log('result : ${cbProductList}');

      if (mProgressBarUtil.isProgressBarShowing()) {
        mProgressBarUtil.hideProgressDialog();
      }
      if (cbProductList.isNotEmpty) {
        Navigator.push(
            context,
            MaterialPageRoute(
              builder: (BuildContext context) => ProductListView(cbProductList, title: 'Google Play-Product List'),
            ));
      } else {
        log('Items not available to buy');
        _showDialog(context, "Items not available to buy");
      }
    } catch (e) {
      log('Exception : ${e.toString()}');
      if (mProgressBarUtil.isProgressBarShowing()) {
        mProgressBarUtil.hideProgressDialog();
      }
    }
  }

  _showDialog(BuildContext context, String message) {
    BaseAlertDialog alert = BaseAlertDialog("Chargebee", message);
    showDialog(
      context: context,
      builder: (BuildContext context) {
        return alert;
      },
    );
  }

  showSkProductDialog(BuildContext context) {
    return showDialog(
        context: context,
        builder: (context) {
          return AlertDialog(
            title: const Text('请输入产品ID（逗号分隔）'),
            content: TextField(
              onChanged: (value) {
                setState(() {
                  productIDs = value.trim();
                });
              },
              controller: productIdTextFieldController,
              decoration: const InputDecoration(hintText: "产品ID"),
            ),
            actions: <Widget>[
              FlatButton(
                color: Colors.red,
                textColor: Colors.white,
                child: Text('取消'),
                onPressed: () {
                  setState(() {
                    Navigator.pop(context);
                  });
                },
              ),
              FlatButton(
                color: Colors.green,
                textColor: Colors.white,
                child: Text('确定'),
                onPressed: () {
                  setState(() {
                    try {
                      Navigator.pop(context);
                      log('用户输入的产品ID（逗号分隔）: $productIDs');
                      mProgressBarUtil.showProgressDialog();

                      List<String> listItems = productIDs.split(',');
                      getProductIdList(listItems);
                    } catch (e) {
                      log('错误: ${e.toString()}');
                    }
                  });
                },
              ),
            ],
          );
        });
  }

  Future<void> showSubscriptionDialog(BuildContext context) async {
    return showDialog(
        context: context,
        builder: (context) {
          return AlertDialog(
            title: const Text('请输入查询参数'),
            content: TextField(
              onChanged: (value) {
                setState(() {
                  queryParams = value;
                });
              },
              controller: productIdTextFieldController,
              decoration: const InputDecoration(hintText: "键值对"),
            ),
            actions: <Widget>[
              FlatButton(
                color: Colors.red,
                textColor: Colors.white,
                child: Text('取消'),
                onPressed: () {
                  setState(() {
                    Navigator.pop(context);
                  });
                },
              ),
              FlatButton(
                color: Colors.green,
                textColor: Colors.white,
                child: Text('确定'),
                onPressed: () {
                  setState(() {
                    try {
                      Navigator.pop(context);
                      log('用户输入的查询参数: $queryParams');
                      mProgressBarUtil.showProgressDialog();
                      retrieveSubscriptions(queryParams);
                      // subscriptionStatus();
                    } catch (e) {
                      log('错误: ${e.toString()}');
                    }
                  });
                },
              ),
            ],
          );
        });
  }

  Future<void> retrieveSubscriptions(String customerId) async {
    try {
      subscriptionList = await Chargebee.retrieveSubscriptions(customerId);
      log('结果: $subscriptionList');

      if (mProgressBarUtil.isProgressBarShowing()) {
        mProgressBarUtil.hideProgressDialog();
      }
      if (subscriptionList.isNotEmpty) {
        _showDialog(context, "订阅检索成功!");
      } else {
        log('Chargebee系统中未找到订阅');
        _showDialog(context, "Chargebee系统中未找到订阅");
      }
    } catch (e) {
      log('异常: ${e.toString()}');
      if (mProgressBarUtil.isProgressBarShowing()) {
        mProgressBarUtil.hideProgressDialog();
      }
    }
  }

  Future<void> showAuthenticationDialog(BuildContext context) async {
    return showDialog(
        context: context,
        builder: (context) {
          return AlertDialog(
            title: const Text('Chargebee'),
            content: Column(
              crossAxisAlignment: CrossAxisAlignment.stretch,
              mainAxisSize: MainAxisSize.min,
              children: <Widget>[
                TextField(
                  onChanged: (value) {
                    setState(() {
                      siteNameText = value;
                    });
                  },
                  controller: siteNameController,
                  decoration: const InputDecoration(hintText: "站点名称"),
                ),
                TextField(
                  onChanged: (value) {
                    setState(() {
                      apiKeyText = value;
                    });
                  },
                  controller: apiKeyController,
                  decoration: const InputDecoration(hintText: "API密钥"),
                ),
                TextField(
                  onChanged: (value) {
                    setState(() {
                      sdkKeyText = value;
                    });
                  },
                  controller: sdkKeyController,
                  decoration: const InputDecoration(hintText: "SDK密钥"),
                ),
              ],
            ),
            actions: <Widget>[
              FlatButton(
                color: Colors.red,
                textColor: Colors.white,
                child: Text('取消'),
                onPressed: () {
                  setState(() {
                    Navigator.pop(context);
                  });
                },
              ),
              FlatButton(
                color: Colors.green,
                textColor: Colors.white,
                child: const Text('初始化'),
                onPressed: () {
                  Navigator.pop(context);
                  log('应用程序详情: $siteNameText, $apiKeyText, $sdkKeyText');
                  authentication(siteNameText, apiKeyText, sdkKeyText);
                  // });
                },
              ),
            ],
          );
        });
  }
}

更多关于Flutter插件amutha_flutter_sdk介绍与使用详解的实战教程也可以访问 https://www.itying.com/category-92-b0.html

htzhanglong 1楼

更多关于Flutter插件amutha_flutter_sdk介绍与使用详解的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html

amutha_flutter_sdk 是一个未知的 Flutter 插件，目前没有广泛的信息或文档可供参考。如果你在使用这个插件时遇到问题，以下是一些通用的步骤和技巧，可以帮助你更好地理解和使用它：

1. 查找文档

官方文档: 首先，检查是否有官方的文档或 GitHub 仓库。通常，插件开发者会在 GitHub 或 Pub.dev 上提供详细的说明。
示例代码: 查看是否有示例代码或演示应用，这些通常可以帮助你快速上手。

2. 安装插件

在 pubspec.yaml 文件中添加插件依赖：

dependencies:
  amutha_flutter_sdk: ^版本号

然后运行 flutter pub get 来安装插件。

3. 导入插件

在你的 Dart 文件中导入插件：

import 'package:amutha_flutter_sdk/amutha_flutter_sdk.dart';

4. 初始化插件

某些插件需要在应用启动时进行初始化。检查是否有 initialize 或 init 方法，并在 main 函数中调用它。

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await AmuthaFlutterSdk.initialize();
  runApp(MyApp());
}

5. 使用插件功能

根据插件的功能，调用相应的方法。例如，如果插件提供了某种服务，你可以这样使用：

var result = await AmuthaFlutterSdk.someMethod();
print(result);

6. 处理错误

在使用插件时，可能会遇到错误。确保你捕获并处理这些错误：

try {
  var result = await AmuthaFlutterSdk.someMethod();
} catch (e) {
  print('Error: $e');
}

7. 调试

日志: 查看插件的日志输出，了解它的内部行为。
断点: 在代码中设置断点，逐步调试。

8. 联系开发者

如果你仍然遇到问题，可以尝试联系插件的开发者。通常，GitHub 仓库的 Issues 页面是一个很好的地方来提问。

9. 社区支持

Flutter 社区: 在 Flutter 社区论坛、Reddit 或 Discord 中寻求帮助。
Stack Overflow: 在 Stack Overflow 上提问，并附上详细的代码和错误信息。

10. 替代方案

如果 amutha_flutter_sdk 无法满足你的需求，或者你无法找到足够的信息，考虑寻找其他类似的插件或自己实现所需功能。

示例代码

假设 amutha_flutter_sdk 提供了一个简单的 API 调用功能，以下是一个示例：

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

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await AmuthaFlutterSdk.initialize();
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('Amutha Flutter SDK Example'),
        ),
        body: Center(
          child: FutureBuilder(
            future: AmuthaFlutterSdk.fetchData(),
            builder: (context, snapshot) {
              if (snapshot.connectionState == ConnectionState.waiting) {
                return CircularProgressIndicator();
              } else if (snapshot.hasError) {
                return Text('Error: ${snapshot.error}');
              } else {
                return Text('Data: ${snapshot.data}');
              }
            },
          ),
        ),
      ),
    );
  }
}