This is the init state of my class: List<Webinar> webinarList = []; Future<void> fetchWebinars() async { webinarList = await context.read<UserRepository>().fetchWebinar(); print(webinarList); } @override void initState() { super.initState(); fetchWebinars(); } I want to display a list in which there's a list…
This is my code @override Widget build(BuildContext context) { return Scaffold( body:StreamBuilder( stream:FirebaseFirestore.instance .collection('chats/r7T0B5xmCSgKQFLl2uNj/messages') .snapshots(), builder:(context,streamSnapshot) { return ListView.builder( itemCount: streamSnapshot.data!.docs.length, itemBuilder:(ctx, index) => Container( padding: const EdgeInsets.all(8), child: const Text("This Work!"), ),); } ,), floatingActionButton: FloatingActionButton( onPressed: (){}, ),…
I get a list of video files now I want to play the video using path, for example, video path is 'storage/emulated/0/vedio1.mp4'. how can I play it? now.
I have a game a bit like Wordle, and I want to add a share capability much like Wordle does. I have a flag on my game grid widget which allows me to render the normal displayed version, or a…
I have the following code. The idea is that it will create a record in the groups collection. If successful, then it should create a record in a different collection - the groups_UID collection. Is this the correct way to…
How is Null Safety in this code class EditProduct extends StatelessWidget { final _formKey = GlobalKey<FormState>(); The line of code with the problem: _formKey.currentState!.validate() ElevatedButton( onPressed: () { if (_formKey.currentState!.validate()) { updateProduct().then((value) { Navigator.push( context, MaterialPageRoute( builder: (context) => HomePage()));…
I'm creating a Flutter Widget and when I try to remove an item from the list I'm using, it always removes the last one, I was thinking it could be a Key problem, but nothing suits it, do anyone know…
static CollectionReference doses = FirebaseFirestore.instance.collection('Doses'); void setDoseDetails( TextEditingController endController, TextEditingController startController, TextEditingController doseController, int noPills, int doseRep) { var dose = doses.where('userID', isEqualTo: Auth().uID).get() as DocumentSnapshot; Map<String, dynamic> userData = dose as Map<String, dynamic>; endController.text = userData['endDate']; startController.text = userData['startDate'];…
I have several widgets in my app which build "cards" (ListTiles) by mapping data as follows: return FutureBuilder<List<MyCard>>( future: MyCard.readData(snapshot.data), builder: (context, cards) { if (cards.hasData) { final card = cards.data!; return Expanded( child: ListView( padding: const EdgeInsets.all(16), children: card.map(MyCard.buildCard).toList()));…
Dart does not see the variable _movies declared in the same file below is the code of the widget which gives the only error : Undefined name '_movies'. Try correcting the name to one that is defined, or defining the…