Results for “Widgets and the widget lifecycle”

rebuilds and holds mutable data. State lifecycle: initState → didChangeDependencies → build → (didUpdateWidget / setState → build)* → deactivate → dispose. Three trees: widgets (what you write), elements (the persistent

Learn more about the different types of testing and how to write

role of render objects in translating widget values into painting calls. State objects and their lifecycle {:#state} Episode 3 of "How Flutter Works" dives

widget Create the ArticleView widget that manages your page's layout and ViewModel lifecycle. Because it must explicitly initialize data fetching

Learn more about widget testing in Flutter. In the

A simple form of state management. Now that you know about declarative

Learn about StatefulWidgets and rebuilding Flutter UI. Learn when widgets

How gestures, such as taps and drags, work in Flutter. This document

How to ensure that your Flutter app is performant. Generally, Flutter applications

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

changes in the application lifecycle. widgets.AppLifecycleListener AppLifecycleListener App Lifecycle Listener class widgets

Creates an AppLifecycleListener. widgets.AppLifecycleListener.AppLifecycleListener.new AppLifecycleListener new App Lifecycle Listener.new constructor widgets

The Android embedder for Flutter introduces a new API, `SurfaceProducer`, which allows