TextEditingControllerObserver class
An observer that manages a TextEditingController.
- Inheritance
-
- Object
- LifecycleObserver<
TextEditingController> - TextEditingControllerObserver
Constructors
-
TextEditingControllerObserver(State<
StatefulWidget> state, {String? text, TextEditingValue? editingValue, Object? key()?}) -
TextEditingControllerObserver.fromValue(State<
StatefulWidget> state, {required TextEditingValue value}) -
Creates a TextEditingControllerObserver from a starting value.
factory
Properties
- currentKey ↔ Object?
-
The current key value used to detect changes.
getter/setter pairinherited
- editingValue → TextEditingValue?
-
The initial editing value.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Object? Function()?
-
A function that returns a key to identify when the target needs
to be rebuilt.
finalinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
state
→ State<
StatefulWidget> -
The State object that this observer is attached to.
finalinherited
- target ↔ TextEditingController
-
The managed target object, such as a controller.
getter/setter pairinherited
- text → String?
-
The initial text value.
final
Methods
-
addLifecycleObserver(
LifecycleObserver observer) → void -
Registers a LifecycleObserver to be managed by this state.
inherited
-
buildTarget(
) → TextEditingController -
Builds the target instance
V.override -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
onBuild(
BuildContext context) → void -
Called during the
buildphase of the widget.inherited -
onDidUpdateWidget(
) → void -
Called when the widget configuration updates.
inherited
-
onDispose(
) → void -
Called when the state is disposed.
inherited
-
onDisposeTarget(
TextEditingController target) → void -
Override this method to perform cleanup for the
target.override -
onInitState(
) → void -
Called when the observer is initialized.
inherited
-
safeSetState(
VoidCallback fn) → void -
Safely calls
setStateon the managed state.inherited -
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited