ThemeModeHandler class

Wrap the management of the functionality and allow the consumer to persist and retrieve the user's preference wherever they want.

Inheritance

• Object
• DiagnosticableTree
• Widget
• StatefulWidget
• ThemeModeHandler

Constructors

ThemeModeHandler({Key? key, required Widget builder(ThemeMode themeMode), required IThemeModeManager manager, ThemeMode defaultTheme = ThemeMode.system, Widget? placeholderWidget})

Creates a ThemeModeHandler.

const

Properties

builder → Widget Function(ThemeMode themeMode)

Function that runs when themeMode changes.

final

defaultTheme → ThemeMode

Default value to be used when shared preference is null.

final

hashCode → int

The hash code for this object.

no setter, inherited

key → Key?

Controls how one widget replaces another widget in the tree.

final, inherited

manager → IThemeModeManager

Implementation of IThemeModeManager to load and save the selected value.

final

placeholderWidget → Widget?

While the themeMode is loaded, you can choose to render a different widget. By default, it'll render an empty container.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

createElement() → StatefulElement

Creates a StatefulElement to manage this widget's location in the tree.

inherited

createState() → _ThemeModeHandlerState

Creates the mutable state for this widget at a given location in the tree.

override

debugDescribeChildren() → List<DiagnosticsNode>

Returns a list of DiagnosticsNode objects describing this node's children.

inherited

debugFillProperties(DiagnosticPropertiesBuilder properties) → void

Add additional properties associated with the node.

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode

Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.

inherited

toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String

A string representation of this object.

inherited

toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String

Returns a string representation of this node and its descendants.

inherited

toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String

Returns a one-line detailed description of the object.

inherited

toStringShort() → String

A short, textual description of this widget.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

of(BuildContext context) → _ThemeModeHandlerState?

Access to the closest ThemeModeHandler instance to the given context.