ERROR : Undefined name 'Firebase' in main.dart

Question

Hello to whom it may concern, I am setting up flutter environment in Android Studio and have searched to resolve this error but couldn't find any solution. The app I am working on has been registered with Firebase and I have copied all the code from flutter repo everything is fine except this one error where the keyword Firebase is not recognized. I have imported the targeted libraries but to no good.

Here is the line of code that has the error in main.dart:

await Firebase.initializeApp();

The error reads "Undefined name 'Firebase'. Try correcting the name to one that is defined, or defining the name"

Your help would mean a lot! Thank you

Ronald Nyathi · Accepted Answer · 2022-04-13 20:13:49Z

1

Did you try importing firebase_core in main.dart import 'package:firebase_core/firebase_core.dart';

answered Apr 13, 2022 at 20:13

Ronald Nyathi

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Community Over a year ago

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Miguel Ruivo · Accepted Answer · 2021-03-10 15:29:03Z

0

Looks like you're missing firebase_core for some reason.

Try adding explicitly to your pubspec.yaml and see if it helps.

firebase_core: ^1.0.1

answered Mar 10, 2021 at 15:29

Miguel Ruivo

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4 Comments

Aroosa Khugyani Over a year ago

I have added the dependencies previously. Here's what pubspec.yaml file dependencies states: 'dependencies: flutter: sdk: flutter # Add the dependency for the Firebase Core Flutter SDK firebase_core: ^0.4.0+5 firebase_analytics: ^5.0.2

Miguel Ruivo Over a year ago

Remove your pubspec.lock file and try running flutter pub get again.

Aroosa Khugyani Over a year ago

@miguel_ruivo Tried that still no luck. If you can kindly check the image since this is the only problem in the entire project structure. Perhaps you can help through this. This is the link pasteboard.co/JS0nQKW.png

Aroosa Khugyani Over a year ago

Tried that still no luck. If you can kindly check the image since this is the only problem in the entire project structure. Perhaps you can help through this. This is the link [pasteboard.co/JS0nQKW.png]

Kapil Kukkar · Accepted Answer · 2021-07-26 10:29:56Z

0

not to use- firebase_core: ^0.4.0+9 to use- firebase_core: ^1.4.0

not to use- firebase_analytics: ^5.0.2 to use- firebase_analytics: ^8.2.0

not to use- firebase_auth: ^0.14.0+5 to use- firebase_auth: ^3.0.1

not to use- cloud_firestore: ^0.12.9+5 to use- cloud_firestore: ^2.4.0

changing versions helped me...... dont use versions mentioned on firebase documentation, use it from pub.dev

answered Jul 26, 2021 at 10:29

Kapil Kukkar

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