flutter_rustore_billing 9.1.0

Flutter RuStore Billing SDK.

example/lib/main.dart

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

import 'package:flutter_rustore_billing/flutter_rustore_billing.dart';
import 'package:flutter_rustore_billing/pigeons/rustore.dart';
import 'package:flutter_rustore_billing_ex/PurchaseWidget.dart';
import 'package:flutter_rustore_billing_ex/ProductWidget.dart';

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

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

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> with SingleTickerProviderStateMixin {
  // define your tab controller here
  late TabController _tabController;

  List<Product?> products = [];
  List<Purchase?> purchases = [];
  PaymentResult? payment;
  ConfirmPurchaseResponse? confirmPurchaseResponse;
  Purchase? purchaseInformation;

  @override
  void initState() {
    // initialise your tab controller here
    _tabController = TabController(length: 2, vsync: this);
    super.initState();
    billing();
    isAvailable();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> billing() async {
    RustoreBillingClient.initialize("184050", "example", true).then((value) {
      print("initialize success: $value");
    }, onError: (err) {
      print("initialize err: $err");
    });
  }

  Future<void> isAvailable() async {
    RustoreBillingClient.available().then((value) {
      value.when(
        available: () => print('available'),
        unknown: () => print('unknown'),
        unavailable: (e) => print('unavailable: $e'),
      );
    }, onError: (err) {
      print("isAvailable err: $err");
    });
  }

  Widget _buildFutureResultWidget<T>({
    required Future<T> future,
    required String title,
  }) {
    return Padding(
      padding: const EdgeInsets.all(8.0),
      child: FutureBuilder<T>(
        future: future,
        builder: (BuildContext context, AsyncSnapshot<T> snapshot) {
          if (snapshot.connectionState == ConnectionState.waiting) {
            return const CircularProgressIndicator();
          } else if (snapshot.hasError) {
            return Text('Error: ${snapshot.error}');
          } else {
            final result = snapshot.data;
            return Text('$title: ${result.toString()}');
          }
        },
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
        home: Scaffold(
      appBar: AppBar(
        leading: const Icon(
          Icons.menu,
          color: Colors.black,
        ),
        backgroundColor: Colors.transparent,
        elevation: 0,
        title: const Text(
          'Flutter RuStore Billing',
          style: TextStyle(color: Colors.black),
        ),
      ),
      body: Column(
        children: <Widget>[
          _buildFutureResultWidget<bool>(
            future: RustoreBillingClient.isRustoreInstalled(),
            title: 'Is RuStore installed',
          ),
          _buildFutureResultWidget<bool>(
            future: RustoreBillingClient.getAuthorizationStatus(),
            title: 'Authorization Status',
          ),
          Padding(
            padding: const EdgeInsets.symmetric(vertical: 10, horizontal: 5),
            child: TabBar(
              controller: _tabController,
              labelColor: Colors.green,
              isScrollable: true,
              indicatorColor: Colors.transparent,
              unselectedLabelColor: Colors.grey,
              unselectedLabelStyle: const TextStyle(
                fontSize: 16,
                color: Colors.grey,
                fontWeight: FontWeight.w700,
              ),
              labelStyle: const TextStyle(
                fontSize: 16,
                fontWeight: FontWeight.w700,
              ),
              tabs: const <Widget>[
                Text('PRODUCTS'),
                Text('PURCHASES'),
              ],
            ),
          ),
          Expanded(
            child: TabBarView(
              controller: _tabController,
              children: const <Widget>[ProductWidget(), PurchaseWidget()],
            ),
          ),
        ],
      ),
    ));
  }
}