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

Here's a code that should fix it.

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

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

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()); }

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