This how my database looks like I'm making a laundry timer for dormitory students in my school. But I'm facing some kind of weird runtime errors. I was trying to make my MachineCard widget automatically update when the data changes…
Im new to flutter and stuck at the following problem, hope someone can help: I am trying to build an App where the Presenter opens a pdf file and the Viewer can join the Presentation. The viewer gets the PDF…
I have a screen that listens for changes in a document using a stream builder. If the document has data then it shows Widget1, otherwise it will show Widget2. The problem: When the stream builder builds for the first time…
The snapshot.data.documents can't be accessed while getting messages from Cloud Firestore through StreamBuilder. Code: class MessagesStream extends StatelessWidget { @override Widget build(BuildContext context) { return StreamBuilder<QuerySnapshot>( stream: _firestore.collection('messages').snapshots(), builder: (context, snapshot) { if (!snapshot.hasData) { return Center( child: CircularProgressIndicator( backgroundColor:…
I have two drop downs, and I want to do things when they get values selected. One of those is to change the second buttondrop items based on what's selected in the first dropdown. For example: Dropdown1 is a list…
enter image description here I have these documents, which contain data about each task I add to the list in my app. child: StreamBuilder( stream: _tasks.snapshots(), builder: (context, AsyncSnapshot<QuerySnapshot> streamSnapshot) { if (streamSnapshot.hasData) { return ListView.builder( itemCount: streamSnapshot.data!.docs.length, itemBuilder: (context,…
Using Flutter 3.3.9, I fetch a record from my Firestore database using a Streambuilder. I use the following code segment to do this: StreamBuilder<Object>( stream: FirebaseFirestore.instance .collection('users') .doc(userId) .snapshots(), builder: (context, snapshot) { if (snapshot.connectionState == ConnectionState.waiting) { return Text('Loading...');…
I want to convert this function into Streambuilder, but somehow I could not figure out how I could do it. Any help would be greatly appreciated. Future getReceiverChats() async { var data = await FirebaseFirestore.instance .collection("message") .doc(widget.id) .collection("nodes") .orderBy("time", descending:…
I am following this 5 minutes video to set up an audio recorder in Flutter. When I click the ElevatedButton to start recording the audio, it does change between play and stop, and an audio file is created, but the…
I have this code Stream<List<Ticket>> readTicket() => FirebaseFirestore.instance .collection('tickets') .where("added_by", isEqualTo: member?.uid) .snapshots() .map( (snapshots) => snapshots.docs .map( (doc) => Ticket.fromJson( doc.data(), ), ) .toList(), ); It does exactly want I wanted to do but I want the one that…