GlobalPositionStateNotifier class
Track the global position of a BuildContext's RenderBox.
Constructors
- GlobalPositionStateNotifier(BuildContext context)
Properties
- context → BuildContext
-
final
- debugState → Rect?
-
A development-only way to access state outside of
StateNotifier
.no setterinherited - hashCode → int
-
The hash code for this object.
no setterinherited
- hasListeners → bool
-
If a listener has been added using addListener and hasn't been removed yet.
no setterinherited
- mounted → bool
-
Whether dispose was called or not.
no setterinherited
- onError ↔ ErrorListener?
-
A callback for error reporting if one of the listeners added with addListener throws.
getter/setter pairinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- state ↔ Rect?
-
The current "state" of this
StateNotifier
.getter/setter pairinherited -
stream
→ Stream<
Rect?> -
A broadcast stream representation of a
StateNotifier
.no setterinherited
Methods
-
addListener(
Listener< Rect?> listener, {bool fireImmediately = true}) → RemoveListener -
Subscribes to this object.
inherited
-
dispose(
) → void -
Frees all the resources associated with this object.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
-
updateShouldNotify(
Rect? old, Rect? current) → bool -
Whether to notify listeners or not when state changes
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited