If you call setState() on WidgetB it’ll rebuild itself and it’s descendants, no matter if they are Stateless or Stateful Widgets.
Read moreWhat is the use of setState () method in flutter?
setState is a way to dynamically change the UI . We call it inside the State Object class of the StatefulWidget. Calling setState marks the corresponding Widget dirty .20 Haz 2021
Read moreHow does setState work in Flutter?
How to Use setState In Flutter?? Calling setState notifies the framework that the internal state of this object has changed in a way that might impact the user interface in this subtree, which causes the framework to schedule a build for this State object.
Read moreIs setState good in Flutter?
When we want to change the UI of the screen . We don’t need to call setState every time we change a variable. We call setState only when we want the change in a variable to reflect on the UI of the screen. For instance, say you have a form containing a text field and a button to submit it.
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