ViewModelBase class
Base view model used for MVVM.
- Inheritance
-
- Object
- ChangeNotifier
- ViewModelBase
Constructors
Properties
- context ↔ BuildContext
-
getter/setter pair
- hasError → bool
-
Error state flag to be utilized while building widget.
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasListeners → bool
-
Whether any listeners are currently registered.
no setterinherited
- isBusy → bool
-
Progress state flag to be utilized while building widget.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
addListener(
VoidCallback listener) → void -
Register a closure to be called when the object changes.
inherited
-
dispose(
) → void -
Discards any resources used by the object. After this is called, the
object is not in a usable state and should be discarded (calls to
addListener will throw after the object is disposed).
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
notifyListeners(
) → void -
Trigger widget rebuild. OnPropertyChanged('') analogue.
override
-
onDispose(
) → void - Meant to be overridden to unsubscribe from streams, close handles and free resources. This is called in State.dispose.
-
onInit(
) → void - Meant to be overridden to load data on first widget build. This is called in State.initState.
-
removeListener(
VoidCallback listener) → void -
Remove a previously registered closure from the list of closures that are
notified when the object changes.
inherited
-
setBusy(
) → void - Set isBusy flag to true and hasError to false, then trigger view widget rebuild.
-
setIdle(
{required bool hasError}) → void -
Set isBusy flag to false and
hasErrorto the specified value, then trigger view widget rebuild. -
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited