Comments (5)
You may probably mis initiate the flutter feathers js client.
I dont realy understand your code:
- Where does come this code ?
@override
void initState() {
isLoading = true;
fetchActivities();
super.initState();
}
- Is it in your main() function . If it's, why does you provide a such method where according to me, state are relative to widget ?
More informations can help because from now, I cannot reproduce the given issue
- Where is
fetchActivities
method defined ?
from flutter_feathersjs.dart.
The code above call this this code below which is from activities_provider.dart
class ActivityProvider with ChangeNotifier{
//this is the method on init state in main.dart that is being called by fetchActivities
Future<APIResponse<List<ActivityI>>> getActivities() async {
List<ActivityI>? messages;
String? error;
try {
Map<String, dynamic> response = await socketIOClient.scketio.find(
serviceName: "activities",
query: {},
);
logger.i(response.toString());
messages = List<Map<String, dynamic>>.from(response["data"])
.map((map) => ActivityI.fromMap(map))
.toList();
} on FeatherJsError catch (e) {
logger.e("FeatherJsError error ::: Type => ${e.type} ::: Message => ${e.message}");
error = "Unexpected FeatherJsError occurred, please retry!";
} catch (e) {
logger.e("Unexpected error ::: ${e.toString()}");
error = "Unexpected error occurred, please retry!";
}
return APIResponse(errorMessage: error, data: messages);
}
}
//I am accessing getActivities() method using provider
fetchActivities() async {
context.read<ActivityProvider>().getActivities().then(
(response) {
isLoading = false;
if (response.errorMessage == null) {
setState(() {
activities = response.data!;
});
} else {
setState(() {
error = response.errorMessage;
});
}
},
);
}
from flutter_feathersjs.dart.
The logged error looks like this
I/flutter (31361): │ ⛔ Unexpected error ::: LateInitializationError: Field 'scketio' has not been initialized.
when I log response and error from this method
Future<APIResponse<List>> getActivities() async {
List? messages;
String? error;
try {
Map<String, dynamic> response =
await socketIOClient.scketio.find(query: {}, serviceName: 'activities');
messages = List<Map<String, dynamic>>.from(response["data"])
.map((map) => ActivityI.fromMap(map))
.toList();
} on FeatherJsError catch (e) {
logger.e(
"FeatherJsError error ::: Type => ${e.type} ::: Message => ${e.message}");
error = "Unexpected error occurred, please retry!";
} catch (e) {
logger.e("Unexpected error ::: $e");
error = "Unexpected error occurred, please retry!";
}
return APIResponse(errorMessage: error, data: messages);
}
}
This below is my socket-io initialization in main.dart
FlutterFeathersjs socketIOClient = FlutterFeathersjs();
void main() {
WidgetsFlutterBinding.ensureInitialized();
socket.Socket io = socket.io(API.baseUrl, <String, dynamic>{
'transports': ['websocket'],
"forceNew": true
});
socketIOClient.configure(FlutterFeathersjs.socketioClient(io));
from flutter_feathersjs.dart.
Can you please, format correctly your code (snippets) in your previous comments. It's hard to look in up to your code.
Just use
```dart
// Put your code here.
```
from flutter_feathersjs.dart.
dart
//activity provider
class ActivityProvider with ChangeNotifier{
//this is the method on init state in main.dart that is being called by fetchActivities
Future<APIResponse<List<ActivityI>>> getActivities() async {
List<ActivityI>? messages;
String? error;
try {
Map<String, dynamic> response = await socketIOClient.scketio.find(
serviceName: "activities",
query: {},
);
logger.i(response.toString());
messages = List<Map<String, dynamic>>.from(response["data"])
.map((map) => ActivityI.fromMap(map))
.toList();
} on FeatherJsError catch (e) {
logger.e("FeatherJsError error ::: Type => ${e.type} ::: Message => ${e.message}");
error = "Unexpected FeatherJsError occurred, please retry!";
} catch (e) {
logger.e("Unexpected error ::: ${e.toString()}");
error = "Unexpected error occurred, please retry!";
}
return APIResponse(errorMessage: error, data: messages);
}
}
//socket-io initialization method in main.dart
FlutterFeathersjs socketIOClient = FlutterFeathersjs();
void main() {
WidgetsFlutterBinding.ensureInitialized();
socket.Socket io = socket.io(API.baseUrl, <String, dynamic>{
'transports': ['websocket'],
"forceNew": true
});
socketIOClient.configure(FlutterFeathersjs.socketioClient(io));
//then in activities.dart page am calling fetchActitivites() on page init
fetchActivities() async {
context.read<ActivityProvider>().getActivities().then(
(response) {
isLoading = false;
if (response.errorMessage == null) {
setState(() {
activities = response.data!;
});
} else {
setState(() {
error = response.errorMessage;
});
}
},
);
}
from flutter_feathersjs.dart.
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from flutter_feathersjs.dart.