Results for “Future”

request off once (not in build), hand the Future to a FutureBuilder to show loading, error and data states, and move decoding of very large payloads onto

Navigator.pop removes the top one, optionally handing a result back to the Future that push returned. For URL-driven apps and deep links, switch to the Router

A platform channel is a named, asynchronous message pipe between your Dart

Flutter has three test levels: unit tests (package:test) for plain Dart

http.post() method to send the encoded data: The http.post() method returns a Future that contains a Response . Future is a core Dart class for working with

album from the JSONPlaceholder using the http.get() method. The http.get() method returns a Future that contains a Response . Future is a core Dart class for working

An overview of animation concepts. The animation system in Flutter is based

How to perform a task in the background. By default, Dart apps

How to prepare for and release an Android app to the Play

How to return data from a new screen. In some cases, you

Evaluating the performance of your app from several angles. trying to debug

Instructions on how to make HTTP requests and parse responses. Learn the

Dive deeper into how Flutter works through a six-part video series

them. This is a living document with more errors to be added in future revisions, and your contributions are welcomed. Feel free to open an issue

The recommended way to architect a Flutter app. The following pages demonstrate

itself based on the latest snapshot of interaction with a Future. widgets.FutureBuilder FutureBuilder Future Builder class widgets

itself based on the latest snapshot of interaction with a Future. widgets.FutureBuilder.FutureBuilder.new FutureBuilder new Future Builder.new constructor widgets

Future whose then implementation calls the callback immediately. foundation.SynchronousFuture SynchronousFuture Synchronous Future class foundation

that's invoked when the CupertinoSliverRefreshControl is pulled a refreshTriggerPullDistance. Must return a Future. Upon completion of the Future, the CupertinoSliverRefreshControl enters the RefreshIndicatorMode.done state

Creates a synchronous future. foundation.SynchronousFuture.SynchronousFuture.new SynchronousFuture new Synchronous Future.new constructor foundation

Deprecated; unused by the framework and will be removed in a future version of Flutter. foundation.AbstractNode AbstractNode Abstract Node class foundation

Exception thrown by Ticker objects on the TickerFuture.orCancel future when the ticker is canceled. scheduler.TickerCanceled TickerCanceled Ticker Canceled class scheduler

Deprecated. Unused in the framework and will be removed in a future version of Flutter. widgets.RootRenderObjectElement RootRenderObjectElement Root Render Object Element class widgets

Deprecated. Will be removed in a future version of Flutter. painting.EdgeInsets.EdgeInsets.fromWindowPadding EdgeInsets fromWindowPadding Edge Insets.from Window Padding constructor painting

callbacks that have no arguments and return no data, but that return a Future to indicate when their work is complete. foundation.AsyncCallback AsyncCallback Async Callback typedef foundation

callbacks that report that a value has been set and return a Future that completes when the value has been saved. foundation.AsyncValueSetter AsyncValueSetter Async Value Setter typedef

enough to demonstrate that they want the app to refresh. The returned Future must complete when the refresh operation is finished. material.RefreshCallback RefreshCallback Refresh Callback typedef material

object representing an ongoing Ticker sequence. scheduler.TickerFuture TickerFuture Ticker Future class scheduler

navigator via one of its "restorable" API methods. widgets.RestorableRouteFuture RestorableRouteFuture Restorable Route Future class widgets

Creates a RestorableRouteFuture. widgets.RestorableRouteFuture.RestorableRouteFuture.new RestorableRouteFuture new Restorable Route Future.new constructor widgets

TickerFuture instance that represents an already-complete Ticker sequence. scheduler.TickerFuture.TickerFuture.complete TickerFuture complete Ticker Future.complete constructor scheduler

Fixes future warning for `await`ing `Future` returns in `async` bodies inside `try` blocks (Web, by @FMorschel). Future

await or ignore to future-returning methods defined in Dart SDK (Framework, by @victorsanni

Prevent `StateError: Bad state: Future already completed in Symbolizer` during stack symbolization

methods (`compareButes` and `updateBytes`). For example: ```dart // Before class MyWebGoldenComparator extends WebGoldenComparator { @override Future compare(double width, double height, Uri golden) { // will be removed in the migration

Ignore unawaited_futures lint in dev/automated_tests (Other changes, by @victorsanni

Delete unused futurize util (Web, by @mdebbar

similarly to `instantiateImageCodec`. * `ImageProvider.load` is now deprecated, it will be removed in a future release. * `PaintingBinding.instantiateImageCodec` is now deprecated, it will be removed in a future

Windowing integration tests now await change futures if a changes is expected + commenting our erroneous icon in Runner.rc for win32 (Other changes, by @mattkae

alpha, starting from the bottom left corner and going row first. Future parseMyImage(Uint8List image, int width, int height) async { final ui.ImageDescriptor descriptor = ui.ImageDescriptor.raw

popped. However, this didn't work when they were removed because the associated future was never completed. All Navigator methods have been updated to no longer call

myPath = myRoute.uri.path; ``` Code before migration: ```dart class MyObserverState extends State with WidgetsBindingObserver { @override Future didPushRoute(String route) => _handleRoute(route); } ``` Code after migration: ```dart class MyObserverState

operand of an `await` expression, unless the extension type itself implements`Future

Flutter apps included an asset file named `AssetManifest.json`. This file effectively contains

To support Android 14's Predictive Back feature, a set of ahead