[core/no-app] No Firebase App '[DEFAULT]' has been created - call Firebase.initializeApp() flutter
import 'package:firebase_core/firebase_core.dart';
void main() async {
WidgetsFlutterBinding.ensureInitialized();
await Firebase.initializeApp();
runApp(MyApp());
}no firebase app ' default ' has been created
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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