参考 https://www.flutter-study.dev/firebase/cloud-firestore-try https://zenn.dev/maropook/articles/f82c98a56b14ca https://note.com/hatchoutschool/n/na654d6dc5a53pubspec.yaml dependencies: flutter: sdk: flutter cupertino_icons: ^1.0.2 fireb…

参考 https://www.flutter-study.dev/firebase/cloud-firestore-trypubspec.yaml dependencies: flutter: sdk: flutter cupertino_icons: ^1.0.2 firebase_core: ^1.0.1 cloud_firestore: ^3.1.13 cloud_firestore_web: ^2.6.13dependenciesに firebase_core…

開発環境 windows10, vscode 参考 https://www.flutter-study.dev/firebase/authentication https://zenn.dev/maropook/articles/f82c98a56b14ca 試したこと エラー"FirebaseOptions cannot be null when creating the default app." の対処 Firebase.initia…