Peace be upon you I am researching Flutter's widget lifecycle and stopped at a point which is the this.mounted boolean variable, it does exist directly in the State class, which can only be connect...

I am a newbie in the world of flutter, and I recently learned (or I think I did) about stateful and stateless widgets which is kind of the base for flutter widgets. We use stateless widgets for th...

We want to show an AlertDialog after some asynchronous processing such as network processes. When calling 'showAlertDialog ()' from an external class, I want to call it without context. Is there a...

While I am passing value from home page to source page it shows an error: The argument type 'Future' can't be assigned to the parameter type 'void Function()'. (argument_type_not_assignable at [str...

So I am trying to refactor my listView logic. Basically my ListView has become cumbersome with the UI logic , so I decided, why not move certain parts of the UI logic to another class This is my c...

A stateful widget is defined as any widget which changes its state within its lifetime. But it is a very common practice for a StatelessWidget to have a StatefulWidget as one of its children. Doesn...

If I were using a StatefulWidget, then I would be listening to a Stream for example inside the initState method. Where would I do the equivalent in a StatelessWidget (like to use Bloc with streams ...

I'm adapting a class from Wikipedia Explorer (open source) to browse pre-selected pages. I'm trying to add a page counter that it doesn't update because it is a StatelessWidget. Can someone help me...

I created a PostUpdaterWidget extending StatelessWidget which makes use of TextEditingControllers for testing out implementation of Bloc Pattern. final _usernameController = TextEditingController(...

I always put code in my questions here, but this time it's not possible since the bug could be anywhere in a thousand lines of code. However: I noticed that the build method of my main scree...

Is there any difference, performance wise, in using a StatelessWidget vs a function returning a Widget? I'm well aware of at least the differences pointed out in this flutter's repo issue which d...