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Flutter app state management using provider is a way to perform the UI update without building all widgets of the page.
Flutter app state management using provider helps us to make the application faster.
The provider work as a wrapper. it makes it easier to use with less boilerplate code.
Because the provider is very easy to, that’s why it removes the use of the set state.
So The use of the provider widgets needs to subscribe.
Then provider makes it easier to listen to the changes in widgets through the model using notifier.
There are three components related to this provider app state management.
A class that extends ChangeNotifier can call notifyListeners() any time data in that class has been updated and you want to let a listener know about that update.
Change notifier which listened to by the change notifier provider.
provider installation clicks here.
We will use the counter update on button click using provider without using the set state function.
first, we will create the model of counter update class that will extend the change notifier.
The ChangeNotifierProvider<T extends ChangeNotifier> It listens to a ChangeNotifier extended by the model class.
This provides the help to exposes it to its children and descendants and rebuilds the view when change notify lister called.
The consumer is the widget that we use to listen to the change notifier update.
So this provides the model instance for use and updates the model.
Below the full code of counter update example.
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