lofter_pay 0.0.7

lofter 支付 SDK

example/lib/main.dart

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

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

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

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

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

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';
  String _errorMessage = "";
  final _lofterPayPlugin = LofterPay();

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

  // 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 _lofterPayPlugin.getPlatformVersion() ??
          'Unknown platform version';
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }

    // 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;
    });
  }

  /// 唤起苹果支付
  Future<void> payIAPOrderWithTradeId() async {
    String errorMessage;
    try {
      errorMessage = await _lofterPayPlugin.payIAPOrderWithTradeId(
              tradeId: "37705036", productId: "LOFTER_PVEMAN_3") ??
          '';
    } on PlatformException {
      errorMessage = 'Failed to pay.';
    }

    if (!mounted) return;
    setState(() {
      _errorMessage = errorMessage;
    });
  }

  /// 唤起苹果支付
  Future<void> registerPay() async {
    await _lofterPayPlugin.registerPay();
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Center(
          child: Container(
            height: 200,
            color: Colors.yellow,
            child: Column(children: [
              Text('Running on: $_platformVersion\n'),
              Expanded(
                  child: GestureDetector(
                onTap: () {
                  payIAPOrderWithTradeId();
                },
                child: Container(
                    color: Colors.blue,
                    child: const Center(child: Text('点我唤起支付'))),
              ))
            ]),
          ),
        ),
      ),
    );
  }
}