When you await an asynchronous function, the execution of the code within the caller suspends while the async operation is executed . When the operation is completed, the value of what was awaited is contained within a Future object.
Read moreDoes Dart support concurrency?
Dart supports concurrent programming with async-await, isolates, and classes such as Future and Stream .
Read moreWhat is compute function in flutter?
Dart is a single threaded language, but it comes with a handy compute function to spawn isolates . In a nutshell, the compute function is useful for doing extra work on a different “thread”–it’s actually an isolate–so your flutter app does not experience “jank”. Jank occurs when the UI doesn’t render smoothly.29 Eyl 2019
Read moreWhat is compute in Dart?
compute<Q, R> function Q is the type of the message that kicks off the computation . R is the type of the value returned. The callback argument must be a top-level function, not a closure or an instance or static method of a class.
Read moreWhat is Flutter performance?
Flutter aims to provide 60 frames per second (fps) performance, or 120 fps performance on devices capable of 120Hz updates . For 60fps, frames need to render approximately every 16ms. Jank occurs when the UI doesn’t render smoothly.
Read moreHow does JSON work in flutter?
use jsonEncode() and jsonDecode() from ‘dart:convert’ to serialize JSON data. create model classes with fromJson() and toJson() for all domain-specific JSON objects in your app. add explicit casts, validation, and null checks inside fromJson() to make the parsing code more robust.
Read moreDoes flutter use VM?
During debug mode, Flutter uses a virtual machine (VM) to run its code in order to enable stateful hot reload , a feature that lets you make changes to your running code without recompilation.
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