I have found some codes that got me confused regarding "this" keyword and the colon after the constructor. I want to know what the difference between the two is
I'm trying to display banner ad in my app on Android. But an error occurs when AdWidget() called. throw FlutterError.fromParts(<DiagnosticsNode>[
Suppose this method: T? reviveObject<T>( dynamic value ) { if ( ( value is Map ) && value.containsKey( '_type_' ) &&
I have to display total number of Sales and pending sales in the dashboard. I have designed inside the container. I need to update that every time new sales add
So my flutter code works fine until I change my Firebase Realtime Database rules. It does not throw an error in debug console or anything, but the app does not
I have the following class and list: Class: class ProductPrice { final int productPriceId; final String establishment; final String product; final doubl
I trying to create small project with getx, I have 3 file's get view,getxcontroller,binding and then when I'm running I get issue like this : Unhandled Excepti
I enabled notifications in my app and its working fine but how can I expire an old notification if a new one arrives or expire it after a certain duration?
I am building a music player application. I want to ask the user to allow access to storage when the application is opened. I used this method and it works prop
I am trying Flutter for the first time, and I am a little confused by the MultiProvider class. The question is straightforward, but I didn't find an explanation
I have this List<Map>: var listMap = [ { "label": "Title", "align": "left", "width": 50 }, {
What is the way to write these symbols in Flutter (the symbols directed by the red arrow on image)?
Hi i have list of objects and i would like to check if a certain object is in the list i have the following code List<GladiatorOutput> gladiators = await
When I open the screen by "ID", I get the title and data from "dummy.dart" in accordance with the "exercise_model.dart" model, which fall into the "Slider", in
When I open the screen by "ID", I get the title and data from "dummy.dart" in accordance with the "exercise_model.dart" model, which fall into the "Slider", in
This is not a problematic question, it was asked because just wanted to know what's actually going on behind it, I can't find an answer in any documentation. Wh
I have a base64 string of a document from api. I want to know which extension/file format is that. Because if it is in jpg/jpeg/png i want to show it in image w
Fl_chart is not clear with how to implement their sample charts. I copied and pasted the sample code exact and yet there seems to be so much more that needs to
How can I make the back button work in android the same way as home. If I click on back, the application is killed, but I need the back button to work the same
Since i wasn't using the plugin path_provider anymore i tried to delet it, then it gave me a warning, so i deleted a folder caled "data" know i'm trying to do f