Flutter – FutureBuilder Widget
Read moreWhat is Flutter FutureBuilder?
Sometimes, you may want to build a Flutter widget which depends on the result of a Future . In that case, you can use FutureBuilder . FutureBuilder is a widget that uses the result of a Future to build itself . Below are the examples of how to use the widget.
Read moreWhat is toList () in Flutter?
toList method Null safety Future<List<T>> toList() Collects all elements of this stream in a List . Creates a List<T> and adds all elements of this stream to the list in the order they arrive. When this stream ends, the returned future is completed with that list.
Read moreWhat is async snapshot in Flutter?
AsyncSnapshot<T> class Null safety. Immutable representation of the most recent interaction with an asynchronous computation . See also: StreamBuilder, which builds itself based on a snapshot from interacting with a Stream. FutureBuilder, which builds itself based on a snapshot from interacting with a Future.
Read moreWhat is the use of Future builder?
FutureBuilder is a Widget that will assist you with executing some asynchronous function and based on that function’s outcome your UI will update .
Read moreHow does a Future builder work?
In future builder, it calls the future function to wait for the result, and as soon as it produces the result it calls the builder function where we build the widget .28 May 2019
Read moreWhat is a snapshot in Flutter?
Snapshot is the result of the Future or Stream you are listening to in your FutureBuilder . Before interacting with the data being returned and using it in your builder, you have to access it first.
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