Getting this error while connection with firebase using flutter

Question

Exception has occurred. PlatformException (PlatformException(channel-error, Unable to establish connection on channel., null, null))

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Answer 1

try this :

Run in the terminal,

flutter pub outdated

Next, update the packages which are outdated

flutter pub upgrade outdated_package 

Then, run flutter clean next flutter pub get

Answer 2

• Step 1:

In pubspec.yaml have you added firebase_core?

• Step 2:

If no then please goto pub.dev and find the latest version of it and add to pubspec.yaml

• Step 4: into main.dart add this

  Future<void> main() async {
         WidgetsFlutterBinding.ensureInitialized();
         await Firebase.initializeApp();
  

  }

• Step 3:

If yes, then run flutter clean and flutter pub get