LifecycleState<T extends StatefulWidget> class
abstract
如果每次切换页面旧页面销毁走State和Route生命周期;如果event触发跳转走eventBus https://img.mukewang.com/5d357d4d0001a7b709601518.png
- Inheritance
- Mixed-in types
- Implementers
Constructors
Properties
-
arguments
→ Map<
String, dynamic> -
no setter
- context → BuildContext
-
The location in the tree where this widget builds.
no setterinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- mounted → bool
-
Whether this State object is currently in a tree.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
uniLinksSupportHashCodes
→ List<
int> -
uniLinks支持页面对应的hash code
no setter
- viewName → String
-
视图名称
no setter
- visibilityKeyboard → bool
-
no setter
- wantKeepAlive → bool
-
Whether the current instance should be kept alive.
no setteroverride
- widget → T
-
The current configuration.
no setteroverride
Methods
-
activate(
) → void -
Called when this object is reinserted into the tree after having been
removed via deactivate.
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
-
didChangeAccessibilityFeatures(
) → void -
Called when the system changes the set of currently active accessibility
features.
inherited
-
didChangeAppLifecycleState(
AppLifecycleState state) → void -
Called when the system puts the app in the background or returns
the app to the foreground.
override
-
didChangeDependencies(
) → void -
Called when a dependency of this State object changes.
override
-
didChangeLocales(
List< Locale> ? locales) → void -
Called when the system tells the app that the user's locale has
changed. For example, if the user changes the system language
settings.
inherited
-
didChangeMetrics(
) → void -
Called when the application's dimensions change. For example,
when a phone is rotated.
override
-
didChangePlatformBrightness(
) → void -
Called when the platform brightness changes.
inherited
-
didChangeTextScaleFactor(
) → void -
Called when the platform's text scale factor changes.
inherited
-
didChangeViewFocus(
ViewFocusEvent event) → void -
Called whenever the PlatformDispatcher receives a notification that the
focus state on a view has changed.
inherited
-
didHaveMemoryPressure(
) → void -
Called when the system is running low on memory.
inherited
-
didPop(
) → void -
Called when the current route has been popped off.
override
-
didPopNext(
) → void -
Called when the top route has been popped off, and the current route
shows up.
override
-
didPopRoute(
) → Future< bool> -
Called when the system tells the app to pop the current route, such as
after a system back button press or back gesture.
inherited
-
didPush(
) → void -
Called when the current route has been pushed.
override
-
didPushNext(
) → void -
Called when a new route has been pushed, and the current route is no
longer visible.
override
-
didPushRoute(
String route) → Future< bool> -
Called when the host tells the application to push a new route onto the
navigator.
inherited
-
didPushRouteInformation(
RouteInformation routeInformation) → Future< bool> -
Called when the host tells the application to push a new
RouteInformation and a restoration state onto the router.
inherited
-
didRequestAppExit(
) → Future< AppExitResponse> -
Called when a request is received from the system to exit the application.
inherited
-
didUpdateWidget(
covariant T oldWidget) → void -
Called whenever the widget configuration changes.
inherited
-
dispose(
) → void -
Called when this object is removed from the tree permanently.
override
-
getArgument(
String key, {dynamic defaultValue}) → dynamic -
获取路由参数
key
参数keydefaultValue
参数默认值 -
handleCancelBackGesture(
) → void -
Called when a predictive back gesture is canceled, indicating that no
navigation should occur.
inherited
-
handleCommitBackGesture(
) → void -
Called when a predictive back gesture is finished successfully, indicating
that the current route should be popped.
inherited
-
handleStartBackGesture(
PredictiveBackEvent backEvent) → bool -
Called at the start of a predictive back gesture.
inherited
-
handleUpdateBackGestureProgress(
PredictiveBackEvent backEvent) → void -
Called when a predictive back gesture moves.
inherited
-
initState(
) → void -
Called when this object is inserted into the tree.
override
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
onCreate(
BuildContext context, String routeName, Map< String, dynamic> arguments) → void -
onDestroy(
String routeName, Map< String, dynamic> arguments) → void -
onKeyboardChanged(
bool visibility) → void -
软键盘改变监听
visibility
true:已显示软键盘;false:已关闭软键盘; -
onPause(
String routeName, Map< String, dynamic> arguments) → void -
onPreCreate(
BuildContext context, String routeName, Map< String, dynamic> arguments) → void -
onResume(
String routeName, Map< String, dynamic> arguments) → void -
reassemble(
) → void -
Called whenever the application is reassembled during debugging, for
example during hot reload.
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
-
updateKeepAlive(
) → void -
Ensures that any AutomaticKeepAlive ancestors are in a good state, by
firing a KeepAliveNotification or triggering the KeepAliveHandle as
appropriate.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Properties
- stateLifecycleKey ↔ String
-
state lifecycle listener
getter/setter pair