Let’s look at a simple example: Stream<int> count(int countTo) async* { for (int i = 1; i <= countTo; i++) { yield i; } } // place this code in a function somewhere count(10). listen((int value) { print(value); });12 Tem 2020
Read moreHow do I use StreamController flutter?
streamController = new StreamController( To send data, use add method with the data as the argument . streamController. add(“This a test data”); If error occurs, instead of sending data, you can send error by using addError method.
Read moreWhat is StreamController flutter?
StreamController<T> class Null safety. A controller with the stream it controls . This controller allows sending data, error and done events on its stream. This class can be used to create a simple stream that others can listen on, and to push events to that stream.
Read moreWhat is FutureProvider Flutter?
In a nutshell, FutureProvider is used to provide a value that might not be ready by the time the widget tree is ready to use it’s values . Therefor, the main use-case of FutureProvider is to ensure that a null value isn’t passed to any widgets.
Read moreIs Riverpod better than provider?
Provider package is certainly a great tool, however, Riverpod has extended its capacity. In the flutter community, many developers think Riverpod is better than Provider , which is an earlier-released-state-management package.
Read moreWhat is stream provider in Flutter?
Streams Widgets 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 multi provider in 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.
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