Can I declare immutable parameter on AsyncNotifier class?

[devnta]

Sorry for my bad english.
As title, Can I declare immutable parameter on AsyncNotifier class?
Ex:

class MyNotifier extends AsnycNotifier<String> {
final bool myParam = false;
......
Some code
}

myParam is immutable, no need rebuild when it changes, so I do not want declare it on State class.

[gdurandrexel]

Yes you can.

You can also declare mutable fields and change their value. A notifier is just a class. You can use it as you like. Just be aware of when a new instance is created and whether it may have an impact on the provided value.

[devnta]

Thanks for anwser.
In official document mentioned:

Can I declare TextEdittingController in AsyncNotifier class?
It's safe or not?
I might miss something....

[gdurandrexel]

I don't know about "safe", I am not familiar enough with flutter intrinsics.

You could first try the recommended solutions, using hooks or a StatefulConsumer, and have a look at different ways to handle forms.
If all that is not good for you, then you can try to use the TextEditingController in your provider. Maybe you won't be impacted by the egde-cases mentioned in the doc.