firebase_auth.dart:18:67：错误：找不到成员，如何解决这个 flutter firebase 错误？

Question

auth version: firebase_auth-0.16.1

/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/firebase_auth 
0.16.1/lib/src/firebase_auth.dart:18:67: Error: Member not found: 'instance'.
  static final FirebaseAuth instance = FirebaseAuth._(FirebaseApp.instance);

environment:

sdk: ">=2.7.0 <3.0.0"

pub dependencies:

#firebase dependencies

cloud_firestore: ^1.0.7
firebase_core: ^1.0.4
firebase_auth: ^0.16.0
firebase_database: ^3.0.7
firebase_messaging: ^9.1.1
firebase_storage: ^8.0.4

dependency_overrides:

  permission_handler_platform_interface: ^2.0.2 
  firebase_core: ^1.0.4
  plugin_platform_interface: ^1.0.2
  firebase_storage_web: ^1.0.4
  http: ^0.12.0
                 

                                       

Answer 1

You seem to be on a quite old version of the Firebase Authentication package:

firebase_auth: ^0.16.0

The latest version is 3.3.7, so I recommend updating to a newer version to see if that fixes the problem.