Results for “Widget”

widget is an immutable description of part of the UI. Flutter turns the widget tree into a longer-lived element tree and a render tree; when

tests (package:test) for plain Dart logic, widget tests (flutter_test: testWidgets, WidgetTester, find, matchers) that build real widgets in a fast headless environment, and integration

build your app's layout. Overview Layouts in Flutter are built with widgets. Widgets are classes used to build UIs. Widgets are also used

implement a stateful widget that responds to taps. How to respond to taps. How to create a custom widget. The difference between stateless and stateful widgets

A high-level overview of the architecture of Flutter, including the core

How to use the focus system in your Flutter app. This article

test() function. The Finder classes allow searching for widgets in the test environment. Widget-specific Matcher constants help verify whether a Finder locates a widget

Learn about stateless widgets and how to build your own. Learn to create custom widgets and use the most common SDK widgets like Container, Center

Flutter's model for widget constraints, sizing, positioning, and how they interact. you might check out [Common Flutter errors][]. When someone learning Flutter asks you why some

animate a widget to fly between two screens. The hero refers to the widget that flies between screens. Create a hero animation using Flutter's Hero

Describes the configuration for an Element. widgets.Widget Widget Widget class widgets

widget that enables inspecting the child widget's structure. widgets.WidgetInspector WidgetInspector Widget Inspector class widgets

wraps a number of widgets that are commonly required for an application. widgets.WidgetsApp WidgetsApp Widgets App class widgets

Uses a WidgetStateMap to resolve to a single value of type T based on the current set of Widget states. widgets.WidgetStateMapper WidgetStateMapper Widget State Mapper class

Defines a Color that is also a WidgetStateProperty. widgets.WidgetStateColor WidgetStateColor Widget State Color class widgets

widget's interactive "state", which is defined as a set of WidgetStates. widgets.WidgetStateProperty WidgetStateProperty Widget State Property class widgets

immutable widget that is embedded inline within text. widgets.WidgetSpan WidgetSpan Widget Span class widgets

Defines a TextStyle that is also a WidgetStateProperty. widgets.WidgetStateTextStyle WidgetStateTextStyle Widget State Text Style class widgets

concrete binding for applications based on the Widgets framework. widgets.WidgetsFlutterBinding WidgetsFlutterBinding Widgets Flutter Binding class widgets

Manages a set of WidgetStates and notifies listeners of changes. widgets.WidgetStatesController WidgetStatesController Widget States Controller class widgets

Interface for classes that register with the Widgets layer binding. widgets.WidgetsBindingObserver WidgetsBindingObserver Widgets Binding Observer class widgets

adapter for placing a specific RenderBox in the widget tree. widgets.WidgetToRenderBoxAdapter WidgetToRenderBoxAdapter Widget To Render Box Adapter class widgets

Convenience class for creating a WidgetStateProperty that resolves to the given value for all states. widgets.WidgetStatePropertyAll WidgetStatePropertyAll Widget State Property All class widgets

FocusTraversalPolicy that traverses the focus order in widget hierarchy order. widgets.WidgetOrderTraversalPolicy WidgetOrderTraversalPolicy Widget Order Traversal Policy class widgets

Defines a MouseCursor whose value depends on a set of WidgetStates which represent the interactive state of a component. widgets.WidgetStateMouseCursor WidgetStateMouseCursor Widget State Mouse Cursor class widgets

Defines a BorderSide whose value depends on a set of WidgetStates which represent the interactive state of a component. widgets.WidgetStateBorderSide WidgetStateBorderSide Widget State Border Side class widgets

Defines an OutlinedBorder whose value depends on a set of WidgetStates which represent the interactive state of a component. widgets.WidgetStateOutlinedBorder WidgetStateOutlinedBorder Widget State Outlined Border class widgets

Defines an InputBorder that is also a WidgetStateProperty. material.WidgetStateInputBorder WidgetStateInputBorder Widget State Input Border class material

Interface for localized resource values for the lowest levels of the Flutter framework. widgets.WidgetsLocalizations WidgetsLocalizations Widgets Localizations class widgets

Creates a WidgetStateBorderSide from a WidgetStateMap. widgets.WidgetStateBorderSide.WidgetStateBorderSide.fromMap WidgetStateBorderSide fromMap Widget State Border Side.from Map constructor widgets

Creates a WidgetStateColor from a WidgetStateMap<Color>. widgets.WidgetStateColor.WidgetStateColor.fromMap WidgetStateColor fromMap Widget State Color.from Map constructor widgets

Creates a WidgetStateMouseCursor from a WidgetStateMap. widgets.WidgetStateMouseCursor.WidgetStateMouseCursor.fromMap WidgetStateMouseCursor fromMap Widget State Mouse Cursor.from Map constructor widgets

Creates a WidgetStateOutlinedBorder from a WidgetStateMap. widgets.WidgetStateOutlinedBorder.WidgetStateOutlinedBorder.fromMap WidgetStateOutlinedBorder fromMap Widget State Outlined Border.from Map constructor widgets

Creates a WidgetStateTextStyle from a WidgetStateMap. widgets.WidgetStateTextStyle.WidgetStateTextStyle.fromMap WidgetStateTextStyle fromMap Widget State Text Style.from Map constructor widgets

Creates a WidgetStateColor from a WidgetPropertyResolver<Color> callback function. widgets.WidgetStateColor.WidgetStateColor.resolveWith WidgetStateColor resolveWith Widget State Color.resolve With constructor widgets

Creates a WidgetStateMouseCursor using a WidgetPropertyResolver callback. widgets.WidgetStateMouseCursor.WidgetStateMouseCursor.resolveWith WidgetStateMouseCursor resolveWith Widget State Mouse Cursor.resolve With constructor widgets

Creates a WidgetStateOutlinedBorder using a WidgetPropertyResolver callback. widgets.WidgetStateOutlinedBorder.WidgetStateOutlinedBorder.resolveWith WidgetStateOutlinedBorder resolveWith Widget State Outlined Border.resolve With constructor widgets

that wrap a Widget with another Widget when creating a Preview. widget_previews.WidgetWrapper WidgetWrapper Widget Wrapper typedef widget_previews

Creates a WidgetStateBorderSide from a WidgetPropertyResolver<BorderSide?> callback function. widgets.WidgetStateBorderSide.WidgetStateBorderSide.resolveWith WidgetStateBorderSide resolveWith Widget State Border Side.resolve With constructor widgets

Creates a WidgetStateTextStyle from a WidgetPropertyResolver<TextStyle> callback function. widgets.WidgetStateTextStyle.WidgetStateTextStyle.resolveWith WidgetStateTextStyle resolveWith Widget State Text Style.resolve With constructor widgets

wraps a number of widgets that are commonly required for an application. widgets.WidgetsApp.WidgetsApp.new WidgetsApp new Widgets App.new constructor widgets

Inflate the given widget and bootstrap the widget tree. widgets.runWidget runWidget run Widget function widgets

Creates a WidgetStatesController. widgets.WidgetStatesController.WidgetStatesController.new WidgetStatesController new Widget States Controller.new constructor widgets

glue between the widgets layer and the Flutter engine. widgets.WidgetsBinding WidgetsBinding Widgets Binding mixin widgets

Creates a WidgetSpan with the given values. widgets.WidgetSpan.WidgetSpan.new WidgetSpan new Widget Span.new constructor widgets

orders widgets for keyboard traversal based on the widget hierarchy order. widgets.WidgetOrderTraversalPolicy.WidgetOrderTraversalPolicy.new WidgetOrderTraversalPolicy new Widget Order Traversal Policy.new constructor widgets

Service extension constants for the widgets library. widgets.WidgetsServiceExtensions WidgetsServiceExtensions Widgets Service Extensions enum widgets

Creates a widget that enables inspection for the child. widgets.WidgetInspector.WidgetInspector.new WidgetInspector new Widget Inspector.new constructor widgets

widgets.WidgetsLocalizations.WidgetsLocalizations.new WidgetsLocalizations new Widgets Localizations.new constructor widgets

Creates a WidgetStateOutlinedBorder from a WidgetStateMap. material.WidgetStateInputBorder.WidgetStateInputBorder.fromMap WidgetStateInputBorder fromMap Widget State Input Border.from Map constructor material

Service used by GUI tools to interact with the WidgetInspector. widgets.WidgetInspectorService WidgetInspectorService Widget Inspector Service mixin widgets

Signature for a function that creates a widget, e.g. StatelessWidget.build or State.build. widgets.WidgetBuilder WidgetBuilder Widget Builder typedef widgets

Service extension constants for the Widget Inspector. widgets.WidgetInspectorServiceExtensions WidgetInspectorServiceExtensions Widget Inspector Service Extensions enum widgets

widgets can take on when receiving input from the user. widgets.WidgetState WidgetState Widget State enum widgets

Creates a WidgetsApp that uses the Router instead of a Navigator. widgets.WidgetsApp.WidgetsApp.router WidgetsApp router Widgets App.router constructor widgets

Creates a property that resolves using a WidgetStateMap. widgets.WidgetStateProperty.WidgetStateProperty.fromMap WidgetStateProperty fromMap Widget State Property.from Map constructor widgets

Creates a WidgetStateInputBorder using a WidgetPropertyResolver callback. material.WidgetStateInputBorder.WidgetStateInputBorder.resolveWith WidgetStateInputBorder resolveWith Widget State Input Border.resolve With constructor material

widgets.WidgetsBindingObserver.WidgetsBindingObserver.new WidgetsBindingObserver new Widgets Binding Observer.new constructor widgets

widgets.WidgetsFlutterBinding.WidgetsFlutterBinding.new WidgetsFlutterBinding new Widgets Flutter Binding.new constructor widgets

related APIs, have been moved out of the Material library and renamed to `WidgetState`. A [Flutter fix][] is available to help migrate the `MaterialState` classes to `WidgetState