chargebee_flutter 0.0.11

This is the official Software Development Kit (SDK) for Chargebee Flutter.

example/lib/main.dart

import 'dart:async';
import 'dart:developer';
import 'package:chargebee_flutter/chargebee_flutter.dart';
import 'package:chargebee_flutter_sdk_example/Constants.dart';
import 'package:chargebee_flutter_sdk_example/alertDialog.dart';
import 'package:chargebee_flutter_sdk_example/items_listview.dart';
import 'package:chargebee_flutter_sdk_example/product_ids_listview.dart';
import 'package:chargebee_flutter_sdk_example/product_listview.dart';
import 'package:chargebee_flutter_sdk_example/progress_bar.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) => MaterialApp(
    title: 'Flutter Demo',
    theme: ThemeData(
      primarySwatch: Colors.blue,
    ),
    home: const MyHomePage(title: 'Chargebee-Flutter SDK'),
  );
}

class MyHomePage extends StatefulWidget {
  final String title;

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

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  final TextEditingController siteNameController = TextEditingController();
  final TextEditingController apiKeyController = TextEditingController();
  final TextEditingController sdkKeyController = TextEditingController();
  final TextEditingController iosDdkKeyController = TextEditingController();
  final TextEditingController productIdTextFieldController =
  TextEditingController();

  List<Product> products = [];
  late List<String> cbMenu = Constants.menu;
  late String siteName = '',
      apiKey = '',
      androidSdkKey = '',
      iosSdkKey = '';
  late String productIDs;
  late String userInput;
  late ProgressBarUtil mProgressBarUtil;

  final Map<String, String> queryParams = {
    'channel': 'play_store',
    'customer_id': 'abc'
  }; // sample query params for retrieveSubscriptions
  final Map<String, String> params = {
    'subscriptionId': 'AzZlGJTC9U3tw4nF'
  }; // eg. query params for entitlements
  final Map<String, String> itemsQueryParams = {
    'limit': '10',
    'channel[is]': 'play_store'
  }; // eg. query params for getAllItems, limit- default=100, min=1, max=100
  final Map<String, String> plansQueryParams = {
    'limit': '5',
    'channel[is]': 'play_store'
  }; // eg. query params for getAllPlans

  _MyHomePageState();

  @override
  void initState() {
    // For both iOS and Android
    authentication('your-site', 'publishable_api_key', 'iOS ResourceID/SDK Key',
        'Android ResourceID/SDK Key',);
    super.initState();
  }

  @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) =>
            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:
        mProgressBarUtil.showProgressDialog();
        retrieveSubscriptions(queryParams);
        break;
      case Constants.getProductIdentifiers:
        mProgressBarUtil.showProgressDialog();
        retrieveProductIdentifers();
        break;
      case Constants.getEntitlements:
        mProgressBarUtil.showProgressDialog();
        retrieveEntitlements(params);
        break;
      case Constants.getAllPlans:
        mProgressBarUtil.showProgressDialog();
        retrieveAllPlans(plansQueryParams);
        break;
      case Constants.getAllItems:
        mProgressBarUtil.showProgressDialog();
        retrieveAllItems(itemsQueryParams);
        break;
      default:
        break;
    }
  }

  Future<void> authentication(String siteName, String apiKey,
      [String? iosSdkKey = '', String? androidSdkKey = '',]) async {
    try {
      await Chargebee.configure(siteName, apiKey, iosSdkKey, androidSdkKey);
    } on PlatformException catch (e) {
      debugPrint('Error Message: ${e.message}, Error Details: ${e
          .details}, Error Code: ${e.code}');
    }
  }

  Future<void> getProducts(List<String> productIDsList) async {
    try {
      products = await Chargebee.retrieveProducts(productIDsList);
      debugPrint('result : $products');

      if (mProgressBarUtil.isProgressBarShowing()) {
        mProgressBarUtil.hideProgressDialog();
      }
      if (products.isNotEmpty) {
        Navigator.push(
          context,
          MaterialPageRoute(
            builder: (BuildContext context) =>
                ProductListView(products, title: 'Google Play-Product List'),
          ),);
      } else {
        _showDialog(context, 'Items not available to buy');
      }
    } on PlatformException catch (e) {
      debugPrint('Error Message: ${e.message}, Error Details: ${e
          .details}, Error Code: ${e.code}');

      if (mProgressBarUtil.isProgressBarShowing()) {
        mProgressBarUtil.hideProgressDialog();
      }
    }
  }

  Future<void> retrieveProductIdentifers() async {
    try {
      final queryparam = <String, String>{'limit': '10'};
      final result = await Chargebee.retrieveProductIdentifiers(queryparam);
      log('result : $result');

      if (mProgressBarUtil.isProgressBarShowing()) {
        mProgressBarUtil.hideProgressDialog();
      }

      if (result.isNotEmpty) {
        Navigator.push(
          context,
          MaterialPageRoute(
            builder: (BuildContext context) =>
                ProductIdentifiersView(result,
                  title: 'Product Identifiers List',),
          ),);
      } else {
        _showDialog(context, 'Product Ids not avilable in chargebee');
      }
    } on PlatformException catch (e) {
      debugPrint('Error Message: ${e.message}, Error Details: ${e
          .details}, Error Code: ${e.code}');

      if (mProgressBarUtil.isProgressBarShowing()) {
        mProgressBarUtil.hideProgressDialog();
      }
    }
  }

  Future<void> retrieveSubscriptions(Map<String, String> queryparam) async {
    try {
      final result = await Chargebee.retrieveSubscriptions(queryparam);
      debugPrint('result : $result');

      if (mProgressBarUtil.isProgressBarShowing()) {
        mProgressBarUtil.hideProgressDialog();
      }
      if (result.isNotEmpty) {
        _showDialog(context, 'Subscriptions retrieved successfully!');
      } else {
        _showDialog(context, 'Subscription not found in Chargebee System');
      }
    } on PlatformException catch (e) {
      debugPrint('Error Message: ${e.message}, Error Details: ${e
          .details}, Error Code: ${e.code}');
      if (mProgressBarUtil.isProgressBarShowing()) {
        mProgressBarUtil.hideProgressDialog();
      }
      _showDialog(context, '${e.message}');
    }
  }

  Future<void> retrieveEntitlements(Map<String, String> queryparam) async {
    try {
      final result = await Chargebee.retrieveEntitlements(queryparam);
      debugPrint('result : $result');

      if (mProgressBarUtil.isProgressBarShowing()) {
        mProgressBarUtil.hideProgressDialog();
      }

      if (result.isNotEmpty) {
        final entitlement = result.first.cbEntitlement;
        debugPrint('${entitlement?.subscriptionId}');
        debugPrint('${entitlement?.featureId}');
        debugPrint('${entitlement?.featureName}');
        debugPrint('${entitlement?.featureType}');
        debugPrint('${entitlement?.name}');
        debugPrint('${entitlement?.value}');
        debugPrint('${entitlement?.isOverridden}');
        debugPrint('${entitlement?.isEnabled}');
        _showDialog(context, 'entitlements retrieved successfully!');
      } else {
        _showDialog(context, 'Entitlements not found in system');
      }
    } on PlatformException catch (e) {
      debugPrint('Error Message: ${e.message}, Error Details: ${e
          .details}, Error Code: ${e.code}');
      if (mProgressBarUtil.isProgressBarShowing()) {
        mProgressBarUtil.hideProgressDialog();
      }
      _showDialog(context, '${e.message}');
    }
  }

  Future<void> retrieveAllPlans(Map<String, String> queryparam) async {
    try {
      final result = await Chargebee.retrieveAllPlans(queryparam);
      debugPrint('result : $result');

      if (mProgressBarUtil.isProgressBarShowing()) {
        mProgressBarUtil.hideProgressDialog();
      }
      final name = <String>[];
      if (result.isNotEmpty) {
        for (final cbPlan in result) {
          name.add(cbPlan != null ? cbPlan.name! : 'null');
        }
        Navigator.push(
          context,
          MaterialPageRoute(
            builder: (BuildContext context) =>
                ItemsView(name, title: 'List Plans'),
          ),);
      } else {
        _showDialog(context, 'Plans not available in chargebee');
      }
    } on PlatformException catch (e) {
      debugPrint('Error Message: ${e.message}, Error Details: ${e
          .details}, Error Code: ${e.code}');
      if (mProgressBarUtil.isProgressBarShowing()) {
        mProgressBarUtil.hideProgressDialog();
      }
      _showDialog(context, '${e.message}');
    }
  }

  Future<void> retrieveAllItems(Map<String, String> queryparam) async {
    try {
      final result = await Chargebee.retrieveAllItems(queryparam);
      debugPrint('result : $result');

      if (mProgressBarUtil.isProgressBarShowing()) {
        mProgressBarUtil.hideProgressDialog();
      }

      final name = <String>[];
      if (result.isNotEmpty) {
        for (final cbItem in result) {
          name.add(cbItem != null ? cbItem.name! : 'null');
        }

        Navigator.push(
          context,
          MaterialPageRoute(
            builder: (BuildContext context) =>
                ItemsView(name, title: 'List Items'),
          ),);
      } else {
        _showDialog(context, 'Items not available in chargebee');
      }
    } on PlatformException catch (e) {
      debugPrint('Error Message: ${e.message}, Error Details: ${e
          .details}, Error Code: ${e.code}');

      if (mProgressBarUtil.isProgressBarShowing()) {
        mProgressBarUtil.hideProgressDialog();
      }
      _showDialog(context, '${e.message}');
    }
  }

  _showDialog(BuildContext context, String message) {
    final alert = BaseAlertDialog('Chargebee', message);
    showDialog(
      context: context,
      builder: (BuildContext context) => alert,
    );
  }

  showSkProductDialog(BuildContext context) =>
      showDialog(
        context: context,
        builder: (context) =>
            AlertDialog(
              title: const Text('Please enter Product Ids(Comma separated)'),
              content: TextField(
                onChanged: (value) {
                  setState(() {
                    productIDs = value.trim();
                  });
                },
                controller: productIdTextFieldController,
                decoration: const InputDecoration(hintText: "Product ID's"),
              ),
              actions: <Widget>[
                TextButton(
                  style: TextButton.styleFrom(
                    foregroundColor: Colors.white,
                    backgroundColor: Colors.red,
                    textStyle: const TextStyle(fontStyle: FontStyle.normal),),
                  child: const Text('CANCEL'),
                  onPressed: () {
                    setState(() {
                      Navigator.pop(context);
                    });
                  },
                ),
                TextButton(
                  style: TextButton.styleFrom(
                    foregroundColor: Colors.white,
                    backgroundColor: Colors.green,
                    textStyle: const TextStyle(fontStyle: FontStyle.normal),),
                  child: const Text('OK'),
                  onPressed: () {
                    setState(() {
                      try {
                        Navigator.pop(context);
                        debugPrint('productIds from user : $productIDs');
                        mProgressBarUtil.showProgressDialog();

                        final listItems = productIDs.split(',');
                        getProducts(listItems);
                        productIdTextFieldController.clear();
                      } catch (e) {
                        log('error : ${e.toString()}');
                      }
                    });
                  },
                ),
              ],
            ),
      );

  Future<void> showAuthenticationDialog(BuildContext context) async =>
      showDialog(
        context: context,
        builder: (context) =>
            AlertDialog(
                title: const Text('Chargebee'),
                content: Column(
                  crossAxisAlignment: CrossAxisAlignment.stretch,
                  mainAxisSize: MainAxisSize.min,
                  children: <Widget>[
                    TextField(
                      onChanged: (value) {
                        setState(() {
                          siteName = value;
                        });
                      },
                      controller: siteNameController,
                      decoration: const InputDecoration(hintText: 'Site Name'),
                    ),
                    TextField(
                      onChanged: (value) {
                        setState(() {
                          apiKey = value;
                        });
                      },
                      controller: apiKeyController,
                      decoration: const InputDecoration(hintText: 'API Key'),
                    ),
                    TextField(
                      onChanged: (value) {
                        setState(() {
                          iosSdkKey = value;
                        });
                      },
                      controller: iosDdkKeyController,
                      decoration: const InputDecoration(
                          hintText: 'iOS SDK Key',),
                    ),
                    TextField(
                      onChanged: (value) {
                        setState(() {
                          androidSdkKey = value;
                        });
                      },
                      controller: sdkKeyController,
                      decoration: const InputDecoration(
                          hintText: 'Android SDK Key',),
                    ),
                  ],
                ),
                actions: <Widget>[
                  TextButton(
                    style: TextButton.styleFrom(
                        foregroundColor: Colors.white, backgroundColor: Colors.red,
                        textStyle:
                        const TextStyle(fontStyle: FontStyle.normal),),
                    child: const Text('CANCEL'),
                    onPressed: () {
                      setState(() {
                        Navigator.pop(context);
                      });
                    },
                  ),
                  TextButton(
                      style: TextButton.styleFrom(
                          foregroundColor: Colors.white, backgroundColor: Colors.green,
                          textStyle:
                          const TextStyle(fontStyle: FontStyle.normal),),
                      child: const Text('Initialize'),
                      onPressed: () {
                        Navigator.pop(context);
                        debugPrint(
                            'app details : $siteName, $apiKey, $androidSdkKey, $iosSdkKey',);
                        authentication(
                            siteName, apiKey, iosSdkKey, androidSdkKey,);
                      }
                  ,)
                ],
            ),);

}