Adds a listener callback that is called whenever a new concrete ImageInfo object is available . If a concrete image is already available, this object will call the listener synchronously.
Read moreHow do I add ChangeNotifierProvider?
DO create a new ChangeNotifier inside create .
Read moreWhat is Riverpod Flutter?
Riverpod is a popular Flutter state management library that shares many of the advantages of Provider and brings many additional benefits . According to the official documentation: Riverpod is a complete rewrite of the Provider package to make improvements that would be otherwise impossible.
Read moreIs Flutter Riverpod stable?
Riverpod recently left its experimental status, but it isn’t fully stable either. The API may change slightly when more features are added, and some use-cases may not be as simple as they could be. But overall, you should be able to use Riverpod without trouble.
Read moreWhat is ref in Riverpod?
ref. watch is used inside the build method of a widget or inside the body of a provider to have the widget/provider listen to a provider : For example, a provider could use ref. watch to combine multiple providers into a new value. An example would be filtering a todo-list.
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