Flutter安装文档：官方文档：https://docs.flutter.dev/get-started/install中文文档：https://flutter.cn/docs/get-started/installDart升级Dart安装参考前面文章（Dart安装和初体验）：https://ntopic.cn/p/2023092301后续学习我们采用最新Flutter版本，因此建议升级Dart最新版本（当前：3.2.0）：brewupgradedart$brewinfodart==>dart-lang/dart/dart:stable3.2.0,HEADSDKhttps://dart.de

我正在使用Flutter的sms:0.2.4库来发送和接收短信，我根据它的Git存储库创建了一个示例页面。import'package:flutter/material.dart';import'package:sms/sms.dart';voidmain()=>runApp(MyApp());voidsendMsg(){SmsSendersender=newSmsSender();Stringaddress='09199375728';SmsMessagemessage=newSmsMessage(address,'سلام!!!');message.onStateChanged.l

我正在使用Flutter的sms:0.2.4库来发送和接收短信，我根据它的Git存储库创建了一个示例页面。import'package:flutter/material.dart';import'package:sms/sms.dart';voidmain()=>runApp(MyApp());voidsendMsg(){SmsSendersender=newSmsSender();Stringaddress='09199375728';SmsMessagemessage=newSmsMessage(address,'سلام!!!');message.onStateChanged.l

有时当我通过AndroidStudio在iPhone模拟器上运行我的Flutter应用程序时，我会收到下面的IDE错误“FlutterApp.setLaunchModemustnotbenull”完整堆栈跟踪。我怎样才能解决这个问题？谢谢。java.lang.reflect.InvocationTargetExceptionatsun.reflect.GeneratedMethodAccessor81.invoke(UnknownSource)atsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccess