import 'package:flutter/material.dart'; import 'package:foundation_fluttify/foundation_fluttify.dart'; void main() => runApp(MyApp()); class MyApp extends StatefulWidget { @override _MyAppState createState() => _MyAppState(); } class _MyAppState extends State { @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar(title: const Text('Plugin example app')), ), ); } Future _testAddProperty() async { final target = await CGPoint.create(225, 556); final target1 = await CGPoint.create(112, 556); await target.addProperty__(1, target1); final result = await target.getProperty__(1); final target1Result = CGPoint()..refId = result.refId; debugPrint('结果: ${await target1Result.x}'); } }