LiveData<T> class
可以观测的数据，同时可以感知生命周期
Constructors
- LiveData(T data)
Properties
- activeCount ↔ int
-
getter/setter pair
- changingActiveState ↔ bool
-
getter/setter pair
- dispatchInvalidated ↔ bool
-
getter/setter pair
- hashCode → int
-
The hash code for this object.
no setterinherited
-
observers
↔ Map<
Observer< T> , _ObserverWrapper<T> > -
getter/setter pair
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- valueDispatching ↔ bool
-
getter/setter pair
Methods
-
changeActiveCounter(
int change) → void -
clearObserver(
) → void -
considerNotify(
_ObserverWrapper< T> observer) → void -
dispatchingValue(
_ObserverWrapper< T> ? observerWrapper) → void -
getValue(
) → T -
getVersion(
) → int -
hasActiveObservers(
) → bool -
hasObservers(
) → bool -
listen(
Observer< T> observer, {BaseViewState<StatefulWidget, ViewModel> ? lifecycleOwner}) → void -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
onActive(
) → void - Called when the number of active observers change from 0 to 1.
-
onInactive(
) → void - Called when the number of active observers change from 1 to 0. This does not mean that there are no observers left, there may still be observers but their lifecycle states aren't {@link Lifecycle.State#STARTED} or {@link Lifecycle.State#RESUMED} (like an Activity in the back stack).
-
removeObserver(
Observer< T> observer) → void -
removeObservers(
BaseViewState< StatefulWidget, ViewModel> owner) → void -
setValue(
T data) → void -
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Constants
- startVersion → const int