There is a state provider final valueStateProvider = StateProvider<int>((ref) => 50); a possible solution to show modals is Widget build(BuildContext context, WidgetRef ref) { final value = ref.watch(valueStateProvider); ref.listen<int>(valueStateProvider, (prev, curr) { if (curr == 65) { // show a…
void main() async { WidgetsFlutterBinding.ensureInitialized(); if (kIsWeb) { await Firebase.initializeApp( options: const FirebaseOptions( apiKey: "", appId: "", messagingSenderId: "", projectId: "", storageBucket: "", ), ); } else { await Firebase.initializeApp(); } runApp(const MyApp()); } Exception has occurred. PlatformException (PlatformException(channel-error, Unable…
Here the finally print not showing in the output, What should I have to do ,, If any mistake I am doing so please guide me. I try to handle the exception and print the finally out put but it…
what is difference Bool(native bool) and bool in terms of using? i got bool using getBool of SharedPreferences. and found out received type isn't Bool(native bool). for example... abstract class PrefApi{ const PrefApi(); Bool getNativeBool(String key); bool getBool(String key); }…
Tried to open .pdf file like ElevatedButton( onPressed: () async { await OpenFile.open('/storage/emulated/0/Download/myqr.pdf') .then((value) { log(value.message.toString()); }); }, child: const Text("Open File"), ) But not working. It gives error: Permission denied: android.permission.READ_EXTERNAL_STORAGE Already added permisions in AndroidMenifest.xml <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />…
I can paginate forward without a problem, but I can't paginate in the opposite direction. I have pageview with weeks and want to upload new weeks on user's scroll Can anyone suggest, provide a link to the source, please?
Getting Firebase exception in flutter code about initialisation. I have already initialised it in main function. getting error on first line of code where fire store collection initialised. import 'package:cloud_firestore/cloud_firestore.dart'; import 'package:xuriti/models/core/user_details.dart'; class UserInfoService{ CollectionReference userInfoCollection = FirebaseFirestore.instance.collection('userInfo'); UserDetails userDetails…
I'm currently creating an app to manage RSS feeds. Because there is no one set standard for the publication date of a post (there is, but for whatever reason a lot of feeds don't follow it), I have multiple different…
My goal is to extract a single value from the database using Future function and show this value in a text widget like this: Widget myFlag = Text(myvar); My Code explanation: final String myTable = 'myFlag'; // the PhilaFields and…
Below is the code what I did, but it perform nothing. class _MenuListState extends State<MenuList> { List<ListTile> menu = [ ListTile( leading: Icon(Icons.featured_play_list), title: Text('Playlists'), ), ListTile( leading: Icon(Icons.send), title: Text('Menu...'), ), ListTile( leading: Icon(Icons.logout), title: Text('Logout'), ), ]; @override…