我声明了FirebaseFirestore和FireBaseAuth类型的两个变量,现在我面临一个空安全错误。我在类中使用一个构造函数,并将它们作为参数传递,得到的错误为- The parameter 'firebaseFirestore' can't have a value of 'null' becauseof its type, but the implicit default value is 'null' in fl
Error: Cannot run with sound null safety, because the following dependencies
don't support null safety有没有一种方法可以添加参数--no-sound-null-safety,类似于您可以在命令行中执行的操作?
flutter pub run build_runner build/Users/user/development/flutterjson_serializable on lib/database/database_helper.dart:
/Users/user/development/flutter</em