Flutter+Firebaseエミュレーター(LocalのFirestoreに書き込むまで)

$ firebase init

=== Firestore Setup

Firestore Security Rules allow you to define how and when to allow
requests. You can keep these rules in your project directory
and publish them with firebase deploy.

? What file should be used for Firestore Rules? firestore.rules

Firestore indexes allow you to perform complex queries while
maintaining performance that scales with the size of the result
set. You can keep index definitions in your project directory
and publish them with firebase deploy.

? What file should be used for Firestore indexes? firestore.indexes.json

i  Writing configuration info to firebase.json...
i  Writing project information to .firebaserc...
i  Writing gitignore file to .gitignore...

✔  Firebase initialization complete!

$ firebase emulators:start

void run({bool isEmulator = false}) async {
  final logger = SimpleLogger();
  logger.fine('start(isEmulator: $isEmulator)');

  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp();
  runApp(ProviderScope(
    child: MyApp(),
  ));
}

import 'run.dart';

void main() => run(isEmulator: true);

import 'run.dart';

void main() => run();

$ flutter run --target lib/main_emu.dart

start(isEmulator: true)

logger.info('start(isEmulator: $isEmulator)');

$ firebase init emulators

[VERBOSE-2:ui_dart_state.cc(177)] Unhandled Exception: [cloud_firestore/permission-denied] The caller does not have permission to execute the specified operation.

rules_version = '2';
service cloud.firestore {
  match /databases/{database}/documents {
    match /{document=**} {
      allow read, write;
    }
  }
}