The Consumer widget has two main purposes: It allows obtaining a value from a provider when we don’t have a BuildContext that is a descendant of said provider, and therefore cannot use Provider.
Read moreHow do you use the selector in flutter?
Selector is a class in Provider package that is less known compare to Consumer yet useful. As the name suggests, Selector allows you to select a specific value in a Provider to listen to . Then when and only when that selected value changes, the widget that returns by the builder method of Selector will rebuild.16 Oca 2021
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