Flutter + firebase: Configure app to use local firebase emulator

问题

I have configured firebase to run locally for debugging using the emulator by following this link.

Now I want to be able to run my app connected to the localhost for debugging triggers as well. Is there a way to achieve this by configuring my flutter app to use the localhost?

My emulator is running as following:

回答1:

After carefully going through the docs here, I got it working by configuring the host setting on the firestore instance:

import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:flutter/material.dart';
import 'package:tracker/screens/screens.dart';

void main() async {

  // This will set the app to communicate with localhost
  await Firestore.instance.settings(host: "10.0.2.2:8080", sslEnabled: false);

  runApp(AppSetupScreen());
}

Note: This will only work with emulator and not with physical device.

回答2:

Looks like i've connected ios to localhost:8080, but db works very slow and I also didn't notice any logs in a file. @UsmanZaheer, can you please tell when did it write logs and was it working fast?

Steps:

• firebase init

• add links that have been created by ini to package.json in functions;

  "firestore": { "rules": "firestore.rules", "indexes": "firestore.indexes.json" },

• firebase emulators:start

in main() write

await Firestore.instance.settings(
      host: 'http://localhost:8080',
      sslEnabled: false,
      persistenceEnabled: false,
      timestampsInSnapshotsEnabled: true
  ).catchError((e) => print(e));

来源：https://stackoverflow.com/questions/58693838/flutter-firebase-configure-app-to-use-local-firebase-emulator