AppError class

The Error Screen if something happens at start up.

Inheritance

• Object
• State<StatefulWidget>
• StateMVC<AppStateWidget>
• ViewMVC<AppStateWidget>
• AppViewState<AppStateWidget>
• AppState
• AppError

Implemented types

• StateListener

Constructors

AppError(Object exception, {Key? key})

Properties

actions ↔ Map<Type, Action<Intent>>?

getter/setter pair, inherited

backButtonDispatcher ↔ BackButtonDispatcher?

getter/setter pair, inherited

builder ↔ TransitionBuilder?

getter/setter pair, inherited

checkerboardOffscreenLayers ↔ bool?

getter/setter pair, inherited

checkerboardRasterCacheImages ↔ bool?

getter/setter pair, inherited

color ↔ Color?

getter/setter pair, inherited

con → AppController?

final, inherited

context → BuildContext

The location in the tree where this widget builds.

no setter, inherited

controller → ControllerMVC

Provide the 'main' controller to this 'State View.' If _controller == null, get the 'first assigned' controller.

no setter, inherited

controllers → List<ControllerMVC>?

final, inherited

currentErrorFunc → FlutterExceptionHandler?

Save the current Error Handler.

final, inherited

darkTheme ↔ ThemeData?

getter/setter pair, inherited

debugPaintBaselinesEnabled ↔ bool?

getter/setter pair, inherited

debugPaintLayerBordersEnabled ↔ bool?

getter/setter pair, inherited

debugPaintPointersEnabled ↔ bool?

getter/setter pair, inherited

debugPaintSizeEnabled ↔ bool?

Highlights UI while debugging.

getter/setter pair, inherited

debugRepaintRainbowEnabled ↔ bool?

getter/setter pair, inherited

debugShowCheckedModeBanner ↔ bool?

getter/setter pair, inherited

debugShowMaterialGrid ↔ bool?

getter/setter pair, inherited

debugShowWidgetInspector ↔ bool?

getter/setter pair, inherited

firstCon → ControllerMVC

Returns 'the first' Controller associated with this StateMVC object.

no setter, inherited

futureBuilt ↔ bool

A flag indicating initAsync was called

getter/setter pair, inherited

hashCode → int

The hash code for this object.

no setter, inherited

home → Widget?

final, inherited

inActions → Map<Type, Action<Intent>> Function()?

final, inherited

inAsyncError → bool Function(FlutterErrorDetails details)?

final, inherited

inBackButtonDispatcher → BackButtonDispatcher Function()?

final, inherited

inBuilder ↔ bool

getter/setter pair, inherited

inCheckerboardOffscreenLayers → bool Function()?

final, inherited

inCheckerboardRasterCacheImages → bool Function()?

final, inherited

inColor → Color Function()?

final, inherited

inDarkTheme → ThemeData Function()?

final, inherited

inDebugShowCheckedModeBanner → bool Function()?

final, inherited

inDebugShowMaterialGrid → bool Function()?

final, inherited

inError → void Function(FlutterErrorDetails details)?

final, inherited

inGenerateTitle → GenerateAppTitle?

final, inherited

inHome → Widget Function()?

final, inherited

inInitialRoute → String Function()?

final, inherited

iniOSTheme → CupertinoThemeData Function()?

final, inherited

initialRoute ↔ String?

getter/setter pair, inherited

inLocale → Locale Function()?

final, inherited

inLocaleListResolutionCallback → LocaleListResolutionCallback?

final, inherited

inLocaleResolutionCallback → LocaleResolutionCallback?

final, inherited

inLocalizationsDelegates → Iterable<LocalizationsDelegate> Function()?

final, inherited

inNavigatorObservers → List<NavigatorObserver> Function()?

final, inherited

inOnGenerateRoute → RouteFactory Function()?

final, inherited

inOnUnknownRoute → RouteFactory Function()?

final, inherited

inRestorationScopeId → String Function()?

final, inherited

inRouteInformationParser → RouteInformationParser<Object> Function()?

final, inherited

inRouteInformationProvider → RouteInformationProvider Function()?

final, inherited

inRouterDelegate → RouterDelegate<Object> Function()?

final, inherited

inRoutes → Map<String, WidgetBuilder> Function()?

final, inherited

inScrollBehavior → ScrollBehavior Function()?

final, inherited

inShortcuts → Map<LogicalKeySet, Intent> Function()?

final, inherited

inShowPerformanceOverlay → bool Function()?

final, inherited

inShowSemanticsDebugger → bool Function()?

final, inherited

inSupportedLocales → Iterable<Locale> Function()?

final, inherited

inTheme → ThemeData Function()?

final, inherited

inThemeMode → ThemeMode Function()?

final, inherited

inTitle → String Function()?

final, inherited

inTransBuilder → TransitionBuilder Function()?

final, inherited

iOSTheme → CupertinoThemeData?

final, inherited

isCupertino → bool?

no setter, inherited

isMaterial → bool?

no setter, inherited

key ↔ Key?

getter/setter pair, inherited

keyId → String

The unique key identifier for this State object.

no setter, inherited

locale ↔ Locale?

getter/setter pair, inherited

localeListResolutionCallback ↔ LocaleListResolutionCallback?

getter/setter pair, inherited

localeResolutionCallback ↔ LocaleResolutionCallback?

getter/setter pair, inherited

localizationsDelegates ↔ Iterable<LocalizationsDelegate>?

getter/setter pair, inherited

map → Map<String, ControllerMVC>

Returns a Map containing all the 'Controllers' associated with this StateMVC object each with their unique 'key' identifier.

no setter, inherited

mounted → bool

Whether this State object is currently in a tree.

no setter, inherited

navigatorKey ↔ GlobalKey<NavigatorState>?

All the fields found in the widgets, MaterialApp and CupertinoApp

getter/setter pair, inherited

navigatorObservers ↔ List<NavigatorObserver>?

getter/setter pair, inherited

object ↔ Object?

This is of type Object allowing you to propagate any class object you wish down the widget tree.

getter/setter pair, inherited

onGenerateRoute ↔ RouteFactory?

getter/setter pair, inherited

onGenerateTitle ↔ GenerateAppTitle?

getter/setter pair, inherited

onUnknownRoute ↔ RouteFactory?

getter/setter pair, inherited

restorationScopeId ↔ String?

getter/setter pair, inherited

routeInformationParser ↔ RouteInformationParser<Object>?

getter/setter pair, inherited

routeInformationProvider ↔ RouteInformationProvider?

getter/setter pair, inherited

routerDelegate ↔ RouterDelegate<Object>?

getter/setter pair, inherited

routes ↔ Map<String, WidgetBuilder>?

getter/setter pair, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

scaffoldMessengerKey ↔ GlobalKey<ScaffoldMessengerState>?

getter/setter pair, inherited

scrollBehavior ↔ ScrollBehavior?

getter/setter pair, inherited

setStates ↔ bool

getter/setter pair, inherited

shortcuts ↔ Map<LogicalKeySet, Intent>?

getter/setter pair, inherited

showPerformanceOverlay ↔ bool?

getter/setter pair, inherited

showSemanticsDebugger ↔ bool?

getter/setter pair, inherited

supportedLocales ↔ Iterable<Locale>?

getter/setter pair, inherited

switchUI ↔ bool?

getter/setter pair, inherited

theme → ThemeData?

final, inherited

themeMode ↔ ThemeMode?

getter/setter pair, inherited

title ↔ String?

getter/setter pair, inherited

useCupertino ↔ bool?

getter/setter pair, inherited

useMaterial ↔ bool?

getter/setter pair, inherited

widget → AppStateWidget

You need to be able access the widget.

no setter, inherited

Methods

activate() → void

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

inherited

add(ControllerMVC? c) → String

Add a specific Controller to this View. Returns the Controller's unique String identifier.

inherited

addAfterListener(StateListener listener) → bool

Add a listener fired 'after' the main controller runs.

inherited

addBeforeListener(StateListener listener) → bool

Add a listener fired 'before' the main controller runs.

inherited

addConId(ControllerMVC con) → String

Adds a 'Controller' to be associated with this StateMVC object and returns Controller's the unique 'key' identifier assigned to it.

inherited

addList(List<ControllerMVC>? list) → void

Add a list of 'Controllers' to be associated with this StatMVC object.

inherited

addListener(StateListener listener) → bool

Add a listener fired 'after' the main controller runs.

inherited

afterContains(StateListener listener) → bool

Returns true of the listener specified is already added.

inherited

afterList(List<String> keys) → List<StateListener>

inherited

afterListener(String key) → StateListener?

Returns the specified 'after' listener.

inherited

beforeContains(StateListener listener) → bool

Returns true of the listener specified is already added.

inherited

beforeList(List<String> keys) → List<StateListener>

inherited

beforeListener(String key) → StateListener?

Returns the specified 'before' listener.

inherited

build(BuildContext context) → Widget

The App's View's true build function called the abstract function, buildApp, but also implements a InheritedWidget allowing you to pass down the Widget tree any 'object' you wish.

inherited

buildApp(BuildContext context) → Widget

Override to impose your own WidgetsApp (like CupertinoApp or MaterialApp)

inherited

catchError(Exception? ex) → void

Catch and explicitly handle the error.

inherited

changeUI(String? ui) → void

Explicity change to a particular interface.

inherited

contains(ControllerMVC con) → bool

Returns true if the specified 'Controller' is associated with this StateMVC object.

inherited

controllerById(String keyId) → ControllerMVC?

Retrieve a Controller by its a unique String identifier.

inherited

controllerByType<U extends ControllerMVC?>() → U?

Retrieve a Controller in the widget tree by type. Retrieve a Controller in the MVC framework by type.

inherited

deactivate() → void

The framework calls this method whenever it removes this State object 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.

inherited

didChangeDependencies() → void

Called when a dependency of this State object changes. This method is also called immediately after initState.

inherited

didChangeLocale(Locale locale) → 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

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.

inherited

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

didPopRoute() → Future<bool>

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. Observers are notified in registration order until one returns true. If none return true, the application quits.

inherited

didPushRoute(String route) → Future<bool>

Called when the host tells the app 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 StatefulWidget oldWidget) → void

Override this method to respond when the widget changes (e.g., to start implicit animations).

inherited

dispose() → void

The framework calls this method when this StateMVC object will never build again.

inherited

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

initAsync() → Future<bool>

Initialize any 'time-consuming' operations at the beginning. Initialize asynchronous items essential to the Mobile Applications. Typically called within a FutureBuilder() widget.

inherited

initState() → void

The App State's initialization function.

inherited

listControllers(List<String> keys) → List<ControllerMVC?>

Returns the list of 'Controllers' associated with this StateMVC object.

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

onActions() → Map<Type, Action<Intent>>?

inherited

onAsyncError(FlutterErrorDetails details) → bool

Supply an 'error handler' routine if something goes wrong in the corresponding initAsync() routine.

inherited

onBackButtonDispatcher() → BackButtonDispatcher?

inherited

onBuilder() → TransitionBuilder?

inherited

onCheckerboardOffscreenLayers() → bool

inherited

onCheckerboardRasterCacheImages() → bool

inherited

onColor() → Color?

inherited

onDarkTheme() → ThemeData?

inherited

onDebugShowCheckedModeBanner() → bool

inherited

onDebugShowMaterialGrid() → bool

inherited

onError(FlutterErrorDetails details) → void

Override if you like to customize error handling.

inherited

onHome() → Widget?

inherited

onInitialRoute() → String?

inherited

oniOSTheme() → CupertinoThemeData?

inherited

onLocale() → Locale?

inherited

onLocaleListResolutionCallback() → LocaleListResolutionCallback?

inherited

onLocaleResolutionCallback() → LocaleResolutionCallback?

Turn to the I10n class to provide the locale.

inherited

onLocalizationsDelegates() → Iterable<LocalizationsDelegate>

inherited

onNavigatorKey() → GlobalKey<NavigatorState>

inherited

onNavigatorObservers() → List<NavigatorObserver>?

inherited

onOnGenerateRoute() → RouteFactory?

inherited

onOnGenerateTitle(BuildContext context) → GenerateAppTitle?

inherited

onOnUnknownRoute() → RouteFactory?

inherited

onRestorationScopeId() → String?

inherited

onRouteInformationParser() → RouteInformationParser<Object>?

inherited

onRouteInformationProvider() → RouteInformationProvider?

inherited

onRouterDelegate() → RouterDelegate<Object>?

inherited

onRoutes() → Map<String, WidgetBuilder>?

inherited

onScaffoldMessengerKey() → GlobalKey<ScaffoldMessengerState>

inherited

onScrollBehavior() → ScrollBehavior?

inherited

onShortcuts() → Map<LogicalKeySet, Intent>?

inherited

onShowPerformanceOverlay() → bool

inherited

onShowSemanticsDebugger() → bool

inherited

onSupportedLocales() → Iterable<Locale>

inherited

onTheme() → ThemeData?

inherited

onThemeMode() → ThemeMode

inherited

onTitle() → String

inherited

reassemble() → void

During development, if a hot reload occurs, the reassemble method is called.

inherited

refresh() → void

Calls the State object's refresh() function if not already in the SetState.builder() function (see class SetState below). The refresh() function is just another name used to call the State object's setState() function.

inherited

remove(String keyId) → bool

Remove a specific associated 'Controller' from this StateMVC object by using its unique 'key' identifier.

inherited

removeListener(StateListener listener) → bool

Removes the specified listener.

inherited

setState(VoidCallback fn) → void

Calls the State object's setState() function if not already in the SetState.builder() function (see class SetState below).

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