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在Android Studio中运行渡槽服务时发生错误

如何解决在Android Studio中运行渡槽服务时发生错误

我试图创建一个渡槽项目 渡槽版本::渡槽CLI版本:3.3.0-b1 dart版本:Dart VM版本:2.8.4(稳定) 然后在键入命令渡槽服务时

我出错了。这是它的一部分

***未捕获的错误 IsolateSpawnException:无法生成隔离:错误:无法解析“ package:runtime / runtime.dart”中的软件包“ runtime”。 数据:application / dart; charset = utf-8,导入%20'dart%3Aasync'%3B%0aimport%20'dart%3Aisolate'%3B%0aimport%20'dart%3Amirrors'%3B%0aimport%20'package %3Aaqueduct%2Faqueduct.dart'%3 B%0aimport%20'package%3Anews_server%2Fnews_server.dart'%3B%0aimport%20'package%3Aruntime%2Fruntime.dart'%3B%0AFuture%20main%20(List%3CString%3E%20args%2C%20Map% 3CString%2C%20 动态%3E%20message)%20async%20%7B%0A%20%20final%20sendPort%20%3D%20message%5B' sendPort'%5D%3B%0A%20%20final%20executable%20%3D %20new%20GetChannelExecutable(message)%3B%0A% 20%20final%20result%20%3D%20await%20executable.execute()%3B%0A%20%20sendPort.send(%7B%22_result%22%3A%20result%7D)%3B%0A%7D%0A% 20%20%20%20%0Aclass%20GetChannelExecutable%20ex tends%20Executable%3CString%3E%20%7BGetChannelExecutable(Map%3CString%2C%20dynamic%3E%20message)%20%3A%20super(message)%3B%20%40override%20Future%3CString%3E%20execute()% 20岁 ync%20%7Bfinal%20channels%20%3D%20RuntimeContext.current.runtimes.iterable.whereType%3CChannelRuntime%3E()%3B%20if%20(channels.length%20!%3D%201)%20%7Bthrow% 20StateError(%22N o%20ApplicationChannel%20subclass%20was%20found%20for%20this%20project。%20%22%20%22Make%20sure%20it%20is%20imported%20in%20your%20application%20library%20file。%22)%3B%7D %20va r%20runtime%20%3D%20channels.first%3B%20if%20(runtime%20%3D%3D%20null)%20%7Breturn%20null%3B%7D%20return%20MirrorSystem.getName(reflectClass(runlect.channelType ).simpleName)% 3B%7D%20static%20List%3CString%3E%20importsForPackage(String%20packageName)%20%3D%3E%20%5B%22package%3Aaqueduct%2Faqueduct.dart%22%2C%20%22package%3A%24packageName%2F %24packa geName.dart%22%2C%20%22package%3Aruntime%2Fruntime.dart%22%5D%3B%7D%0Aabstract%20class%20Executable%3CT%3E%20%7BExecutable(this.message)%20%3A%20_sendPort %20%3D%20message%5B% 22_sendPort%22%5D%3B%20Future%3CT%3E%20execute()%3B%20final%20Map%3CString%2C%20dynamic%3E%20message%3B%20final%20SendPort%20_sendPort%3B%20U%20instanceOf%3CU% 3E(字串%20typ eName%2C%20%7BList%20positionalArguments%3A%20const%20%5B%5D%2C%20Map%3CSymbol%2C%20dynamic%3E%20namedArguments%2C%20Symbol%20constructorName%7D)%20%7BClassMirror%20typeMirro r%20%3D%20currentMirrorSystem()。isolate.rootLibrary.declarations%5Bnew%20Symbol(typeName)%5D%3B%20if%20(typeMirror%20%3D%3D%20null)%20%7BtypeMirror%20%3D% 20currentMirrorSyste m()。libraries.values.where((lib)%20%3D%3E%20lib.uri.scheme%20%3D%3D%20%22package%22%20%7C%7C%20lib.uri.scheme% 20%3D%3D%20%22file%22).expand((lib)%20%3D%3E%20lib.declarations。 值).firstWhere((decl)%20%3D%3E%20decl%20is%20ClassMirror%20%26%26%20MirrorSystem.getName(decl.simpleName)%20%3D%3D%20typeName%2C%20orElse%3A% 20()%20%3D%3E%20throw%20new%2 0ArgumentError(%22UnkNown%20type%20'%24typeName'。%20Did%20you%20forget%20to%20import%20it%3F%22))%3B%7D%20return%20typeMirror.newInstance(constructorName%20%3F%3F% 20const%20S ymbol(%22%22)%2C%20positionalArguments%2C%20namedArguments).reflectee%20as%20U%3B%7D%20void%20send(dynamic%20message)%20%7B_sendPort.send(message)%3B%7D%20void %20log(String%2 0message)%20%7B_sendPort.send(%7B%22_line %22%20%3A%20message%7D)%3B%7D%7D%0A:6:8:错误:找不到:'package:runtime /runtime.dart' 导入'package:runtime / runtime.dart';

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