Sometimes you need to have results of multiple async functions before starting to work on something else. To prevent multiple awaits, chaining futures in . then(), you can simply use Future. wait([]) that returns an array of results you were waiting for.
Read moreHow do you handle Future error in Flutter?
For more granular error handling, you can register a second ( onError ) callback within then() to handle Futures completed with errors . Here is then() ‘s signature: Future<R> then<R>(FutureOr<R> Function(T value) onValue, {Function? onError});
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 moreHow do you wait for the Future in darts?
To prevent multiple awaits, chaining futures in . then(), you can simply use Future. wait([]) that returns an array of results you were waiting for. If any of those Futures within that array fails, Future.
Read moreWhat does asynchronous suspension mean?
<asynchronous suspension> is not an indication of a problem, it just indicates that code execution is not synchronous code executed line-by-line, but instead a callback from a completed Future started at some position in the callstack .12 Mar 2020
Read moreWhat is the asynchronous programming in Flutter?
Exploring Asynchronous Programming In Dart & Flutter. Asynchronous programming is a type of equal programming that permits a unit of work to run independently from the essential application thread . At the point when the work is finished, it tells the main thread.
Read moreWhat is Future class in Flutter?
A Future class allows you to run work asynchronously to free up any other threads that should not be blocked . Like the UI thread.30 Eyl 2020
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