When you change the state of a Stateful Widget , use setState() to cause a rebuild of the widget and its descendants. You don’t need to call setState() in the constructor or initState() of the widget, because build() will be run afterward anyway. Also don’t call setState() in synchronous code inside build().28 May 2021
Read moreWhy set state is used in Flutter?
setState is used to tell Flutter to update some state and then repaint . It should not be given any async work to do.
Read moreWhat is the setState state management?
setState only manages the state in the widget in which it was declared — just like in React, wherein the useState hook manages local state only in the component in which it was created. This type of state management is called ephemeral state.
Read moreHow do you call build method again in Flutter?
With reference to the state object we can say, setState() tells the Flutter framework that something has changed in this State. This change fires the build() method to rerun . Moreover, it reflects the change on the screen. The display can now reflect the change on the screen.22 May 2021
Read moreCan I use setState with bloc in flutter?
When working on a Flutter app, you might encounter the need to split a large UI component into several smaller ones to improve the readability of the code. In Flutter, you can manage the state of your app just by using setState . …19 May 2021
Read moreWhy do we use setState 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 .
Read moreWhat is flutter build method?
The flutter build method in flutter describes the user interface represented by this widget when it is inserted in the build context provided in the widget tree and the dependency of the widget is changed .
Read more