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 make a setState in flutter?
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. User types in the text field and clicks on submit button. Then we display that text field’s text below the submit button.20 Haz 2021
Read moreHow do you define a state in flutter?
State is information that (1) can be read synchronously when the widget is built and (2) might change during the lifetime of the widget. It is the responsibility of the widget implementer to ensure that the State is promptly notified when such state changes, using State. setState .
Read moreIs initState called after setState?
Because we can’t call setState() directly in the initState method, we can’t call it from a function called by initState either. Unless this function is asynchronous and the setState call is made after the first await .
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 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
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