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 moreCan you have multiple providers in Flutter?
It is impossible to do so . You have to provide different types of provider to get correct value. If you use same provider more than once then it will give you value of nearest provider value in widget tree. It is also mention in their official documentation.
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