In my database, I have a "Czat" collection and a "Wiadomosci" subcollecion. The Czat collection has documents that store users messages in 'Wiadomosci' and fields: idSender, idReceiver. I would like to retrieve all the Chat collection and all subcollections 'Wiadomosci'…
Here is my code return FutureBuilder( future: dbHelper.abonnements(), builder: (context,snapshot){ if(snapshot.data==null){ return StartUpScreen(); }else{ final meterId = snapshot.data![0].meterId; final clientId = snapshot.data![0].clientId; final abonnement = snapshot.data![0]; final compteur = await MeterAPIManager.getMeter(meterId); final user = await ClientAPIManager.getUser(clientId); return HomeScreen(abonnement: abonnement,compteur: compteur,user:…
screenshot I changed the variables in various ways, restarted this and that and I just cannot fix the issue, so what am I missing here? The path variable always worked and now that I have deleted Visual Studio and Windows…
enter image description here I want to make the background color of the date options when active to be centered. How can I do this? Note: I am using SDK version 2.12 and syncfusion_flutter_datepicker version 20.3.61 enter image description here…
I have an API which sends me a type : type Response = { id: string; values: Stringified<number[]>, // string } where type Stringified<T> = string; and is what you would get by using jsonEncode. I want to create a…
I want to filter out certain elements inside a stream that emits a list of elements. For example a simple model (Item) that is the element inside the List: class Item { int id; String title; bool isDone; } Then…
After switching the application to null safety support, the part of the code that is responsible for unlogging stopped working with an error: LateInitializationError: Field '_keepAliveTimer@44195927' has not been initialized. class _TabPageState extends State<TabPage> with SingleTickerProviderStateMixin { late TabController tabController;…
I have a button, and am trying to have a counter-like functionality in my app, but instead of the counter increasing numerically by +1 when the button is pressed, I want a new string to appear. I am storing these…
I am trying to create a dropdown list in flutter with ability to type in it and also display elements matching the input. I tried dropdown menu widget in flutter which had a enableSearch property but I could not style…
I would like my text to take a maximum height. And there is "...", when it overflows. I know I can do this with maxLines=3 for example. But the height of my text is not limited. So if the user…