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 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
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