What is mounted in Flutter?

mounted property Null safety After creating a State object and before calling initState, the framework “mounts” the State object by associating it with a BuildContext . The State object remains mounted until the framework calls dispose, after which time the framework will never ask the State object to build again.

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Is 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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