onDidChange property Null safety
A function that will be run on State change, after the Widget is built.
This function is passed the
Model, and if
it will only be called if the
This can be useful for running certain animations after the build is complete.
Note: Using a BuildContext inside this callback can cause problems if
the callback performs navigation. For navigation purposes, please use onWillChange.
@override final OnDidChangeCallback<St, Model>? onDidChange;