LifecycleOwnerState<LOW extends LifecycleOwnerWidget> class abstract

用来管理 lifecycleRegistry 的 state

Inheritance

• Object
• State<LOW>
• LifecycleOwnerState

Implemented types

• LifecycleOwner

Implementers

• LifecycleOwnerStateMixin

Available extensions

• LifecycleCallbackManager
• LifecycleConvertExt
• LifecycleObserverRegisterSupport
• LifecycleRegistryMixinExt

Constructors

LifecycleOwnerState()

Properties

context → BuildContext

The location in the tree where this widget builds.

no setter, inherited

currentLifecycleState → LifecycleState

当前状态

no setter, inherited

hashCode → int

The hash code for this object.

no setter, inherited

lifecycle → Lifecycle

no setter, inherited

lifecycleRegistry → LifecycleRegistry

no setter, inherited

mounted → bool

Whether this State object is currently in a tree.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

scope → dynamic

no setter, inherited

widget → LOW

The current configuration.

no setter, inherited

Methods

activate() → void

Called when this object is reinserted into the tree after having been removed via deactivate.

inherited

addLifecycleObserver(LifecycleObserver observer, {LifecycleState? startWith, bool fullCycle = true}) → void

添加一个观测者

inherited

build(BuildContext context) → Widget

Describes the part of the user interface represented by this widget.

inherited

deactivate() → void

Called when this object is removed from the tree.

inherited

debugFillProperties(DiagnosticPropertiesBuilder properties) → void

Add additional properties associated with the node.

inherited

didChangeDependencies() → void

Called when a dependency of this State object changes.

inherited

didUpdateWidget(covariant LOW oldWidget) → void

Called whenever the widget configuration changes.

inherited

dispose() → void

Called when this object is removed from the tree permanently.

inherited

initState() → void

Called when this object is inserted into the tree.

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

reassemble() → void

Called whenever the application is reassembled during debugging, for example during hot reload.

inherited

removeLifecycleObserver(LifecycleObserver observer, {LifecycleState? willEnd, bool? fullCycle}) → void

inherited

setState(VoidCallback fn) → void

Notify the framework that the internal state of this object has changed.

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

toStringShort() → String

A brief description of this object, usually just the runtimeType and the hashCode.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited