BaseViewModel class abstract
- Inheritance
-
- Object
- ChangeNotifier
- BaseViewModel
- Mixed-in types
Constructors
Properties
- currentException ↔ dynamic
-
The latest exception to have been thrown by
handleAction. Useful for when wanting to customise a page based on an error.getter/setter pair - hasException → bool
-
Whether the current page has an exception or not
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasListeners → bool
-
Whether any listeners are currently registered.
no setterinherited
- hasRendered ↔ bool
-
getter/setter pair
- isBusy ↔ bool
-
Checks if your widget is currently busy.
This is triggered automatically by any call to
handleActiongetter/setter pair - renderTimestamp → int
-
When in epochSeconds the page was rendered.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
scaffoldKey
→ GlobalKey<
ScaffoldState> -
A default
GlobalKey<ScaffoldState>which can be passed to your widgets to perform generic actionsfinal
Methods
-
addListener(
VoidCallback listener) → void -
Register a closure to be called when the object changes.
inherited
-
beforeFirstRender(
) → void -
inherited
-
dispose(
) → void -
Discards any resources used by the object.
inherited
-
forceRebuild(
) → void - Force a rebuild of the current page.
-
handleAction(
Future< void> function(), {dynamic onError(dynamic error)?, String message = '', bool skipBusyState = false}) → Future<void> -
Perform a future action, catching any exceptions which may occur.
This also sets a
isBusyflag while the action is being performed. -
handleCancelBackGesture(
) → void -
inherited
-
handleCommitBackGesture(
) → void -
inherited
-
handleStartBackGesture(
PredictiveBackEvent backEvent) → bool -
inherited
-
handleUpdateBackGestureProgress(
PredictiveBackEvent backEvent) → void -
inherited
-
handleViewFocusChange(
ViewFocusEvent event) → void -
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
notifyListeners(
) → void -
Call all the registered listeners.
inherited
-
onAppExit(
) → bool -
inherited
-
onDetached(
) → void -
inherited
-
onFirstRender(
) → void -
Called when a page is first rendered.
This is skipped on rebuilds and will only be called once be page.
override
-
onPause(
) → void -
inherited
-
onPlatformBrightnessChanged(
) → void -
inherited
-
onResume(
) → void -
inherited
-
onViewPop(
) → void -
inherited
-
onViewPushed(
) → void -
inherited
-
removeListener(
VoidCallback listener) → void -
Remove a previously registered closure from the list of closures that are
notified when the object changes.
inherited
-
showAlertDialog(
Widget widget, {bool barrierDismissible = true}) → Future< void> - Show any widget as an alert dialog. This is a helper, and any customisation of the barrier should mean making your own.
-
toString(
) → String -
A string representation of this object.
inherited
-
unfocusKeyboards(
) → void - Unfocuses the current focus node, if available
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited