What is state Class 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.

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Should I use provider Flutter?

One of the main reasons to prefer Provider over Statefulwidget s is that, using Provider , you will rebuild only the widgets that needs that value (the Consumers ) while the other will not be rebuilt . Instead when you call setState the whole build function of the widget will be called.

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