Results for “Performance”

animations, and measure in profile mode on a real device with the DevTools Performance view before changing anything. A frame has two halves on two threads

modes: debug (flutter run; JIT, hot reload, assertions, debugging services), profile (--profile; release performance plus profiling hooks) and release (flutter build defaults to it; AOT, no assertions

Evaluating the performance of your app from several angles. trying to debug it, check out the DevTool's page on [Using the Performance view][]. What

ensure that your Flutter app is performant. Generally, Flutter applications are performant by default, so you only need to avoid common pitfalls to get excellent performance

Diagnosing UI performance issues in Flutter. Overview App performance encompasses various aspects, from raw speed and I/O throughput to the smoothness of the user interface. While

measure and evaluate your app's rendering performance. Rendering animations in your app is one of the most cited topics of interest when it comes to measuring

perform a task in the background. By default, Dart apps do all of their work on a single thread. In many cases, this model simplifies coding

validate how individual pieces work together in whole or capture the performance of an app running on a real device. To perform these tasks, use integration

breakpoints, step through code, and examine values. DevTools , a suite of performance and profiling tools that run in a browser. Flutter inspector , a widget inspector available

How to animate a widget to fly between two screens. The hero

harder it is to test manually. Automated tests help ensure that your app performs correctly before you publish it, while retaining your feature and bug fix velocity

Displays performance statistics. widgets.PerformanceOverlay PerformanceOverlay Performance Overlay class widgets

compositor that it should display certain performance statistics within it. rendering.PerformanceOverlayLayer PerformanceOverlayLayer Performance Overlay Layer class rendering

opaque handle that keeps a request for DartPerformanceMode active until disposed. scheduler.PerformanceModeRequestHandle PerformanceModeRequestHandle Performance Mode Request Handle class scheduler

mask is created by shifting 1 by the index of the specific PerformanceOverlayOption to enable. widgets.PerformanceOverlay.PerformanceOverlay.new PerformanceOverlay new Performance Overlay.new constructor widgets

Creates a layer that displays a performance overlay. rendering.PerformanceOverlayLayer.PerformanceOverlayLayer.new PerformanceOverlayLayer new Performance Overlay Layer.new constructor rendering

Create a performance overlay that displays all available statistics. widgets.PerformanceOverlay.PerformanceOverlay.allEnabled PerformanceOverlay allEnabled Performance Overlay.all Enabled constructor widgets

Displays performance statistics. rendering.RenderPerformanceOverlay RenderPerformanceOverlay Render Performance Overlay class rendering

control whether the performance overlay displays certain aspects of the compositor. rendering.PerformanceOverlayOption PerformanceOverlayOption Performance Overlay Option enum rendering

Base class for an action or command to be performed. widgets.Action Action Action class widgets

Action that doesn't perform any action when invoked. widgets.DoNothingAction DoNothingAction Do Nothing Action class widgets

result of performing a hit test. gestures.HitTestResult HitTestResult Hit Test Result class gestures

result of performing a hit test on RenderBoxes. rendering.BoxHitTestResult BoxHitTestResult Box Hit Test Result class rendering

result of performing a hit test on RenderSlivers. rendering.SliverHitTestResult SliverHitTestResult Sliver Hit Test Result class rendering

activity a scroll view performs after being set into motion. widgets.BallisticScrollActivity BallisticScrollActivity Ballistic Scroll Activity class widgets

Controls how spell check is performed for text input. widgets.SpellCheckConfiguration SpellCheckConfiguration Spell Check Configuration class widgets

Creates a performance overlay render object. rendering.RenderPerformanceOverlay.RenderPerformanceOverlay.new RenderPerformanceOverlay new Render Performance Overlay.new constructor rendering

activity a scroll view performs when the user drags their finger across the screen. widgets.DragScrollActivity DragScrollActivity Drag Scroll Activity class widgets

text editing related Intent that performs an operation towards a given direction of the current caret location. widgets.DirectionalTextEditingIntent DirectionalTextEditingIntent Directional Text Editing Intent class widgets

Intent that is bound to a DoNothingAction, but, in addition to not performing an action, also stops the propagation of the key event bound to this intent

Performs the decode process for use in ImageProvider.loadBuffer. painting.DecoderBufferCallback DecoderBufferCallback Decoder Buffer Callback typedef painting

Performs the decode process for use in ImageProvider.loadImage. painting.ImageDecoderCallback ImageDecoderCallback Image Decoder Callback typedef painting

Performance regression for Image animation

BoxConstraints` during intrinsic calculations. Subclasses that implement `computeDryLayout` no longer need to override `performResize`. Subclasses of `RenderBox` need to override the new `computeDryLayout` method if they are used

Improve performance on functions with many parameters

Improve performance of CanvasKit rendering

regression to the performance of code completions

Fixes severe performance regression on Firefox

Impeller] Improve blur performance for Android and iPad

Type parameter nullability performs incorrectly in factory constructors

Impeller] App performance decreases when using emulated dashed lines

Layout modifications performed by background threads causes exceptions on IOS14

CastMap performs an invalid cast on 'remove', breaking shared_preferences plugin

Improve performance of Dart Analysis Server by limiting the analysis context

Android] Fixes performance issues on Android caused by engine threads not matching the core count

using Impeller on Android devices with B-Series PowerVR GPUs, visual oddities and performance drops can be experienced

Flutter desktop apps, pixel snapping performs incorrectly when using opacity layers at certain DPRs and screen sizes

Correct PerformanceOverlay optionsMask checks and add tests (Framework, by @Piinks). PerformanceOverlay

Refactor bin/ shell scripts for better performance and safety (Tooling, by @kevmoo

Delete Skia-specific performance overlay implementation (Other changes, by @flar

Adds macos impeller complex layout performance test (Framework, by @gaaclarke

chore: deflake Linux_mokey flutter_engine_group_performance (Other changes, by @jtmcdole

Perform OpenGL compositing in the Flutter thread and write to a framebuffer. (Linux, by @robert-ancell

flutter_tools] Fix version cache git fallback performance regression (Tooling, by @bkonyi

prioritize pipeline compile jobs and perform them eagerly instead of waiting. (Android, by @chinmaygarde

flutter_test_performance, consider the blank line at the start of "flutter test" output to be optional. (Other changes, by @jason-simmons

The API for the `Color` class in `dart:ui` is changing to

This optimization improves performance for route transitions, but it may uncover missing calls to `setState` in your app. In most cases, this change doesn't require

replaced by another activity being attached to the [`FlutterEngine`][]. Generally, you want to perform the same detaching operations as performed when the activity is being naturally

makes the local position more meaningful and reliable, but breaks code that directly performs annotation searches and uses the local position. The `localPosition` returned by an `AnnotatedRegionLayer