FirebaseException ([core/no-app] No Firebase App '[DEFAULT]' has been created - call Firebase.initializeApp())
import 'package:firebase_core/firebase_core.dart';
void main() async {
WidgetsFlutterBinding.ensureInitialized();
await Firebase.initializeApp();
runApp(MyApp());
}firebase: No Firebase App '[DEFAULT]' has been created - call Firebase App.initializeApp()
//It means you have not initialized your app.
//Maybe the location of the firebase_config file is written wrong.
//Else you can initialise your app by this script:
var firebaseConfig = {
apiKey: " <Provided by Firebase> ",
authDomain: " <Provided by Firebase> ",
projectId: " <Provided by Firebase> ",
storageBucket: " <Provided by Firebase> ",
databaseURL: " <Provided by Firebase> ",
messagingSenderId: " <Provided by Firebase> ",
appId: " <Provided by Firebase> ",
measurementId: " <Provided by Firebase> "
};
// Initialize Firebase
firebase.initializeApp(firebaseConfig);
firebase.analytics();
var storage = firebase.storage();
var storageRef = firebase.storage().ref();[core/no-app] No Firebase App '[DEFAULT]' has been created - call Firebase.initializeApp() "flutter"
void main() async {
WidgetsFlutterBinding.ensureInitialized();
await Firebase.initializeApp();
runApp(MyApp());
}
class MyApp extends StatelessWidget {
var fsconnect = FirebaseFirestore.instance;
myget() async {
var d = await fsconnect.collection("students").get();
// print(d.docs[0].data());
for (var i in d.docs) {
print(i.data());
}
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: Text('Firebase Firestore App'),
),
body: Column(
children: <Widget>[
RaisedButton(
child: Text('send data'),
onPressed: () {
fsconnect.collection("students").add({
'name': 'sarah',
'title': 'xyz',
'email': '[email protected]',
});
print("send ..");
},
),
RaisedButton(
child: Text('get data'),
onPressed: () {
myget();
print("get data ...");
},
)
],
),
));
}
}Copyright © 2021 Codeinu
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