Consumer is an object in the Provider library that offers a simple API to interact with your provided models in the widgets themselves . In plain English, Consumer exposes instances of provided models, so you can display data and call methods on your provided model.5 Ağu 2020
Read moreWhat are providers in Dart?
Providers allow to not only expose a value, but also create/listen/dispose it . When you place a Provider widget in your widget tree all the Childs of the Provider will have access to the values exposed by it. For this tutorial we will use a particular type of Provider: ChangeNotifierProvider.
Read moreWhat is proxy provider Flutter?
A provider that builds a value based on other providers . The exposed value is built through either create or update , then passed to InheritedProvider.
Read moreWhat is stream provider Flutter?
StreamsProvider is a Flutter widget which provides a provider to its children via Provider. of<T>(context) . It is used as a dependency injection (DI) widget so that a single instance of a provider can be provided to multiple widgets within a subtree.
Read moreWhat is MultiProvider Flutter?
MultiProvider class Null safety A provider that merges multiple providers into a single linear widget tree . It is used to improve readability and reduce boilerplate code of having to nest multiple layers of providers.
Read moreHow do you use FutureProvider in Flutter?
Future provider has a initial value, which widgets can use until the Future value is resolved . When resolved, it the FutureProvider will tell it’s descendents to rebuild, using the new value. Importantly, this means that the widgets who rely on the value of a future provider will only rebuild once.
Read moreWhat is stream subscription Flutter?
A subscription on events from a Stream . When you listen on a Stream using Stream. listen, a StreamSubscription object is returned. The subscription provides events to the listener, and holds the callbacks used to handle the events.
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