btc_purchase 0.0.3

A new InApp project.

example/lib/main.dart

import 'package:btc_purchase/PurchaseListener.dart';
import 'package:btc_purchase/btc_purchase_platform_interface.dart';
import 'package:flutter/material.dart';
import 'dart:async';

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

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

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

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

}

class _MyAppState extends State<MyApp> implements PurchaseListener {
  String _platformVersion = '\$0.0';
  String _alreadyPurchasedList = '';
  final _btcPurchasePlugin = BtcPurchase();

  @override
  void initState() {
    super.initState();
    initPlatformState();
  }

  @override
  void OnPurchaseListener() {
    setState(() {
      _alreadyPurchasedList = 'remove_ads';
    });
  }


  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      platformVersion =
          await _btcPurchasePlugin.getPurchaseList('remove_ads', this) ?? '\$0.0';
      _alreadyPurchasedList =
          await _btcPurchasePlugin.getAlreadyPurchasedList('remove_ads', this) ?? '';
    } on PlatformException {
      _alreadyPurchasedList = 'exp';
      platformVersion = 'exp';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Center(
          child: InkWell(
              onTap: () async {
                await _btcPurchasePlugin.launchPurchase('remove_ads') ?? '\$0.0';
              },
              child:
                  Text('Price: $_platformVersion\n\n$_alreadyPurchasedList')),
        ),
      ),
    );
  }
}