GlobalPositionStateNotifier class

Track the global position of a BuildContext's RenderBox.

Inheritance
  • Object
  • StateNotifier<Rect?>
  • GlobalPositionStateNotifier

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