Question 176498 in Firebase Question posted in
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Why is DefaultFirebaseOptions.currentplatform showing an error?

Why it is showing error for DefaultFirebaseOptions.currentplatform?

I’m trying to connect flutter app to firebase and I implemented dependencies correctly,but showing error on DefaultFirebaseOptions.currentolatform.

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2

Answers


  1. 0

    I was facing the same issue after checking in the repository of Firebase. found that that has created a separated class for that you can take reference from here.
    Hope it will work.

    // Copyright 2022, the Chromium project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

// File generated by FlutterFire CLI.
// ignore_for_file: lines_longer_than_80_chars, avoid_classes_with_only_static_members
import 'package:firebase_core/firebase_core.dart' show FirebaseOptions;
import 'package:flutter/foundation.dart'
    show defaultTargetPlatform, kIsWeb, TargetPlatform;

/// Default [FirebaseOptions] for use with your Firebase apps.
///
/// Example:
/// ```dart
/// import 'firebase_options.dart';
/// // ...
/// await Firebase.initializeApp(
///   options: DefaultFirebaseOptions.currentPlatform,
/// );
/// ```
class DefaultFirebaseOptions {
  static FirebaseOptions get currentPlatform {
    if (kIsWeb) {
      return web;
    }
    switch (defaultTargetPlatform) {
      case TargetPlatform.android:
        return android;
      case TargetPlatform.iOS:
        return ios;
      case TargetPlatform.macOS:
        return macos;
      case TargetPlatform.windows:
        throw UnsupportedError(
          'DefaultFirebaseOptions have not been configured for windows - '
          'you can reconfigure this by running the FlutterFire CLI again.',
        );
      case TargetPlatform.linux:
        throw UnsupportedError(
          'DefaultFirebaseOptions have not been configured for linux - '
          'you can reconfigure this by running the FlutterFire CLI again.',
        );
      default:
        throw UnsupportedError(
          'DefaultFirebaseOptions are not supported for this platform.',
        );
    }
  }

    Reference github link

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  2. 0

    I just ran into the same problem. It happens if you use a tool (like following the Firebase setup instructions) that will automatically create firebase_options.dart for you. The tool creates it in {project_root}/lib/ right next to main.dart, but if you try to initialize Firebase in a different library like I did, it can’t find DefaultFirebaseOptions.

    I had added the dependency for firebase_core in the library, but what I didn’t realize was that DefaultFirebaseOptions is actually defined in the firebase_options.dart file that is created and updated for you by the flutterfire configure command. It’s a class with properties unique to your Firebase app.

    File Tree showing generated firebase_options.dart location

    So, you can either add a dependency on the root project library to the .yaml for the sub project.

    OR

    Just initialize Firebase in the main.dart file like the documention mentions (but I initially took as only a suggestion).

    import 'package:yourproject/firebase_options.dart'; // <-- Need this import
import 'package:firebase_core/firebase_core.dart';

Future<void> main() async {
  await Firebase.initializeApp(
    options: DefaultFirebaseOptions.currentPlatform,
  );

  runApp(const MainAppWidget());
}
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