I made a flutter app for storing message. Now I want to read the message from the device message box and show it in a window using flutter how can i do that it would be better if i can…
There is a PageView inside a Column. This PageView is a block that should take the minimum height required by whatever the active page is. For instance, if the first page takes 300px of height and the remaining left 500px,…
Although a variable is initialized in initState, I encountered the 'Invalid constant value' problem. Could you please explain why this occurs? I've annotated key points in the code. Thank you. P.S: I'm using Flutter 3.16.5 and Dart 3.2.3 class _LoadingScreenState…
I want to make these elements in the middle and I want the code to be formatted correctly Container( height: 100, child: ListView.builder( physics: NeverScrollableScrollPhysics(), scrollDirection: Axis.horizontal, itemCount: controller.categories.length, itemBuilder: (context, index) { return Center( child: Padding( padding: const EdgeInsets.symmetric(horizontal:…
String foodIcon = 'assets/icons/expense/food.png'; I want to receive the foodIcon variable name as a String value ('foodIcon') I saw a StackOverflow answer for a similar question that says to use a map or dictionary. Is there any method to do…
I am experiencing unexpected bottom padding when using SingleChildScrollView in Flutter. I have attempted to resolve the issue by setting padding: EdgeInsets.zero in the SingleChildScrollView, but the bottom padding persists. Notably, I am using Flutter version 3.16.3 in the stable…
[ { 'id': 6, 'owner': { 'username': 'ghazali', 'email': '[email protected]', 'first_name': 'Abu', 'last_name': 'Ubaidah', 'groups': [], }, 'name': 'Food Hub', 'date_created': '2023-12-27T20:13:13.414637Z', }, { 'id': 7, 'owner': { 'username': 'ghazali', 'email': '[email protected]', 'first_name': 'Abu', 'last_name': 'Ubaidah', 'groups': [], }, 'name':…
I have a function where users click on a button and the gallery will open for users to choose a picture as their profile picture. There was no error anywhere so I don't know what is wrong, I'm pretty sure…
In Flutter and Dart, if I mix-in a ChangeNotifier, or use ValueNotifier<T> for example (_counter = ValueNotifier<int>(0)) should I always dispose() it? I understand that it has a dispose() member, which clears the listeners list. But in most examples I've…
We produced arrows with this kind of code. However, space is inevitably generated. How can we place the widget without generating space? The tip of the arrow inevitably creates a space between it and the body. class Line extends StatelessWidget…