RadioButtonsController<T> class
- Inheritance
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- Implemented types
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Methods
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activate()
→ void
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Called when this object is reinserted into the tree after having been
removed via
deactivate.
inherited
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addListener(VoidCallback listener)
→ bool
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Register a closure to be called when the object changes.
inherited
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addState(StateX<StatefulWidget>? state)
→ String
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Associate this StateXController to the specified State object
to use that State object's functions and features.
Returns that State object's unique identifier.
inherited
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deactivate()
→ void
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The framework calls this method whenever it removes this
StateX object
from the tree.
inherited
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dependOnInheritedWidget(BuildContext? context)
→ bool
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Link a widget to an InheritedWidget
inherited
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detachedAppLifecycleState()
→ void
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Either be in the progress of attaching when the engine is first initializing
or after the view being destroyed due to a Navigator pop.
inherited
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didChangeAccessibilityFeatures()
→ void
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Either be in the progress of attaching when the engine is first initializing
or after the view being destroyed due to a Navigator pop.
inherited
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didChangeAppLifecycleState(AppLifecycleState state)
→ void
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Called when the system puts the app in the background or returns the app to the foreground.
inherited
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didChangeDependencies()
→ void
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Called when immediately after
initState.
Otherwise called only if a dependency of an InheritedWidget.
inherited
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didChangeLocales(List<Locale>? locales)
→ void
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Called when the system tells the app that the user's locale has changed.
inherited
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didChangeMetrics()
→ void
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Called when the application's UI dimensions change.
For example, when a phone is rotated.
inherited
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didChangePlatformBrightness()
→ void
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Brightness changed.
inherited
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didChangeTextScaleFactor()
→ void
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Called when the platform's text scale factor changes.
inherited
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didHaveMemoryPressure()
→ void
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Called when the system is running low on memory.
inherited
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didPop()
→ void
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Called when this State is popped off a route.
inherited
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didPopNext()
→ void
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The top route has been popped off, and this route shows up.
inherited
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didPopRoute()
→ Future<bool>
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Called when the system tells the app to pop the current route.
For example, on Android, this is called when the user presses
the back button.
inherited
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didPush()
→ void
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Called when this State is first added to as a Route observer?!
inherited
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didPushNext()
→ void
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New route has been pushed, and this State object's route is no longer current.
inherited
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didPushRoute(String route)
→ Future<bool>
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Called when the host tells the app to push a new route onto the
navigator.
inherited
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didPushRouteInformation(RouteInformation routeInformation)
→ Future<bool>
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Called when the host tells the application to push a new
RouteInformation and a restoration state onto the router.
inherited
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didRequestAppExit()
→ Future<AppExitResponse>
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Called when a request is received from the system to exit the application.
Exiting the application can proceed with
AppExitResponse.exit;
Cancel and do not exit the application with
AppExitResponse.cancel;
inherited
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didUpdateWidget(covariant StatefulWidget oldWidget)
→ void
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Override this method to respond to when the StatefulWidget is recreated.
inherited
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dispose()
→ void
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Part of the Flutter engine's 'garbage collection' process.
Note: YOU WILL HAVE NO IDEA WHEN THIS WILL RUN in the Framework.
BEST NOT TO USE THIS FUNCTION EVER!
inherited
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disposeChangeNotifier()
→ void
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Don't forget to call this method in the appropriate dispose() function!
inherited
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forEachState(void func(StateX<StatefulWidget> state), {bool? reversed})
→ bool
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To externally 'process' through the State objects.
Invokes
func on each StateX possessed by this object.
inherited
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hiddenAppLifecycleState()
→ void
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All views of an application are hidden, either because the application is
about to be paused (on iOS and Android), or because it has been minimized
or placed on a desktop that is no longer visible (on non-web desktop), or
is running in a window or tab that is no longer visible (on the web).
inherited
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inactiveAppLifecycleState()
→ void
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The application is in an inactive state and is not receiving user input.
inherited
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initAsync()
→ Future<bool>
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Initialize any 'time-consuming' operations at the beginning.
Implement any asynchronous operations needed done at start up.
inherited
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initChangeNotifier()
→ void
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inherited
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initState()
→ void
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The framework will call this method exactly once.
Only when the
StateX object is first created.
override
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noSuchMethod(Invocation invocation)
→ dynamic
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Invoked when a nonexistent method or property is accessed.
inherited
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notifyClients()
→ bool
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In harmony with Flutter's own API
Rebuild the InheritedWidget of the 'closes' InheritedStateX object if any.
inherited
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notifyListeners()
→ bool
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Call all the registered listeners.
inherited
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ofState<T extends StateX<StatefulWidget>>()
→ T?
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Retrieve the StateX object of type T
Returns null if not found
inherited
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onAsyncError(FlutterErrorDetails details)
→ void
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initAsync() has failed and a 'error' widget instead will be displayed.
This takes in the snapshot.error details.
inherited
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onChanged(T? v)
→ void
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Called when a button is changed.
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pausedAppLifecycleState()
→ void
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The application is not currently visible to the user, not responding to
user input, and running in the background.
inherited
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reassemble()
→ void
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Called whenever the application is reassembled during debugging, for
example during hot reload.
inherited
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removeListener(VoidCallback listener)
→ bool
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Remove a previously registered closure from the list of closures that are
notified when the object changes.
inherited
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resumedAppLifecycleState()
→ void
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The application is visible and responding to user input.
inherited
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setBuilder(MaybeBuildWidgetType? builder)
→ Widget
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Returns a widget from builder assuming the current object is a Listenable
const SizedBox.shrink() otherwise
inherited
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setRootStateX(StateX<StatefulWidget>? state)
→ bool
-
Important to record the 'root' StateX object. Its an InheritedWidget!
inherited
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setState(VoidCallback fn)
→ void
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Call a State object's setState()
and notify any listeners
inherited
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stateOf<T extends StatefulWidget>()
→ StateX<StatefulWidget>?
-
Supply this version of StateX
inherited
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toString()
→ String
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A string representation of this object.
inherited
