Bind<T> class
abstract
Abstract class representing a binding widget responsible for managing a specific type of controller.
- Inheritance
Constructors
-
Bind({required Widget? child, Key? key, InitBuilder<
T> ? init, bool global = true, bool autoRemove = true, bool assignId = false, void initState(BindElement<T> state)?, Object filter(T value)?, String? tag, dynamic dispose(BindElement<T> state)?, Object? id, dynamic didChangeDependencies(BindElement<T> state)?, void didUpdateWidget(Binder<T> oldWidget, BindElement<T> state)?}) -
Constructs a Bind widget.
const
-
Bind.builder({Widget? child, InitBuilder<
T> ? init, InstanceCreateBuilderCallback<T> ? create, bool global = true, bool autoRemove = true, bool assignId = false, Object filter(T value)?, String? tag, Object? id, void initState(BindElement<T> state)?, void dispose(BindElement<T> state)?, void didChangeDependencies(BindElement<T> state)?, void didUpdateWidget(Binder<T> oldWidget, BindElement<T> state)?}) -
Factory method to create a Bind widget using a builder pattern.
factory
Properties
- assignId → bool
-
Flag indicating whether an identifier should be assigned to the widget.
final
- autoRemove → bool
-
Flag indicating whether the widget should be automatically removed when disposed.
final
- child → Widget?
-
Child widget that will receive the provided bindings.
final
-
didChangeDependencies
→ dynamic Function(BindElement<
T> state)? -
Callback function that is called when the widget's dependencies change.
final
-
didUpdateWidget
→ void Function(Binder<
T> oldWidget, BindElement<T> state)? -
Callback function that is called when the widget is updated.
final
-
dispose
→ dynamic Function(BindElement<
T> state)? -
Callback function that is called when the widget is disposed.
final
- filter → Object Function(T value)?
-
Function to filter the value of the controller.
final
- global → bool
-
Flag indicating whether the controller should be treated as global.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- id → Object?
-
Identifier for the widget.
final
-
init
→ InitBuilder<
T> ? -
Function to initialize the controller.
final
-
initState
→ void Function(BindElement<
T> state)? -
Callback function that is called when the widget is initialized.
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- tag → String?
-
Tag for the widget.
final
Methods
-
build(
BuildContext context) → Widget -
Describes the part of the user interface represented by this widget.
inherited
-
createElement(
) → StatelessElement -
Creates a StatelessElement to manage this widget's location in the tree.
inherited
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of DiagnosticsNode objects describing this node's
children.
inherited
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toDiagnosticsNode(
{String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode -
Returns a debug representation of the object that is used by debugging
tools and by DiagnosticsNode.toStringDeep.
inherited
-
toString(
{DiagnosticLevel minLevel = DiagnosticLevel.info}) → String -
A string representation of this object.
inherited
-
toStringDeep(
{String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String -
Returns a string representation of this node and its descendants.
inherited
-
toStringShallow(
{String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String -
Returns a one-line detailed description of the object.
inherited
-
toStringShort(
) → String -
A short, textual description of this widget.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Methods
-
create<
S> (InstanceCreateBuilderCallback< S> builder, {String? tag, bool permanent = true}) → Bind - Creates a binding and puts the specified dependency into the GetX service locator.
-
delete<
S> ({String? tag, bool force = false}) → Future< bool> - Deletes a dependency from the GetX service locator using the specified tag.
-
deleteAll(
{bool force = false}) → Future< void> - Deletes all dependencies from the GetX service locator.
-
find<
S> ({String? tag}) → S - Retrieves a dependency from the GetX service locator using the specified tag.
-
isPrepared<
S> ({String? tag}) → bool - Checks if a dependency is prepared in the GetX service locator using the specified tag.
-
isRegistered<
S> ({String? tag}) → bool - Checks if a dependency is registered in the GetX service locator using the specified tag.
-
lazyPut<
S> (InstanceBuilderCallback< S> builder, {String? tag, bool fenix = true, VoidCallback? onClose}) → Bind - Creates a lazy binding and puts the specified dependency into the GetX service locator.
-
lazyReplace<
P> (InstanceBuilderCallback< P> builder, {String? tag, bool? fenix}) → Future<void> - Lazily replaces the specified child widget with a new one.
-
of<
T> (BuildContext context, {bool rebuild = false}) → T -
Retrieves the dependency of type
T
from the nearest ancestor Binder widget. -
put<
S> (S dependency, {String? tag, bool permanent = false}) → Bind - Creates a binding and puts the specified dependency into the GetX service locator.
-
reload<
S> ({String? tag, String? key, bool force = false}) → void - Reloads a dependency from the GetX service locator using the specified tag.
-
reloadAll(
{bool force = false}) → void - Reloads all dependencies from the GetX service locator.
-
replace<
P> (P child, {String? tag}) → Future< void> - Replaces the specified child widget with a new one.
-
spawn<
S> (InstanceBuilderCallback< S> builder, {String? tag, bool permanent = true}) → Bind - Creates a binding and puts the specified dependency into the GetX service locator.