not able to use firebase integration in flutter

Question

I am using firebase in flutter application after updating the libraries to the latest version. Below is the code which was previously used but now I am facing error

CODE

void main() {
  FirebaseFirestore.instance.settings(timestampsInSnapshotsEnabled: true).then((_) {
    print("Timestamps enabled in snapshots\n");
  }, onError: (_) {
    print("Error enabling timestamps in snapshots\n");
  });
  runApp(MyApp());
}

ERROR

error: The expression doesn't evaluate to a function, so it can't be invoked.

when I am implementing the above code I get the error, please help me to resolve this

As far as I know, the timestampsInSnapshotsEnabled setting is non longer needed. — Frank van Puffelen
– Frank van Puffelen, Commented May 15, 2021 at 14:10

Subhojeet Sahoo · Accepted Answer · 2021-05-15 10:52:31Z

1

Here's a code that should fix it.

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

answered May 15, 2021 at 10:52

Subhojeet Sahoo

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Comments

Rajat Palankar · Accepted Answer · 2021-05-15 13:56:02Z

0

You need to Initialize the Firebase instance before runApp(MyApp());

void main() async{

     WidgetsFlutterBinding.ensureInitialized();
      
     await Firebase.initializeApp();
     //Before running App During load time initialize firebase instance.

     runApp(MyApp());
}

answered May 15, 2021 at 13:56

Rajat Palankar

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