/Applications/flutter/.pub-cache/hosted/pub.dartlang.org/cloud_firestore-3.4.3/android/src/main/java/io/flutter/plugins/firebase/firestore/streamhandler/TransactionStreamHandler.java:13: error: can
我正在尝试用flutter create app_name和Android Studio和VS代码测试flutter,我发现runApp上的错误没有定义,实际上在flutter库中我看不到这是定义的。- '_WidgetsAppState' is from 'package:flutter/src/widgets/app.dart' ('/C:/src/flutter/packages&