NextFocusAction class Null safety

An Action that moves the focus to the next focusable node in the focus order.

This action is the default action registered for the NextFocusIntent, and by default is bound to the LogicalKeyboardKey.tab key in the WidgetsApp.

See FocusTraversalPolicy for more information about focus traversal.

Inheritance

Constructors

NextFocusAction()

Properties

callingAction Action<NextFocusIntent>?
The Action overridden by this Action.
@protected, read-only, inherited
hashCode int
The hash code for this object.
read-only, inherited
intentType Type
Gets the type of intent this action responds to.
read-only, inherited
isActionEnabled bool
Whether this Action is inherently enabled.
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited

Methods

addActionListener(ActionListenerCallback listener) → void
Register a callback to listen for changes to the state of this action.
@mustCallSuper, inherited
consumesKey(NextFocusIntent intent) bool
Indicates whether this action should treat key events mapped to this action as being "handled" when it is invoked via the key event.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
@mustCallSuper, @protected, inherited
invoke(NextFocusIntent intent) → void
Called when the action is to be performed.
override
isEnabled(NextFocusIntent intent) bool
Returns true if the action is enabled and is ready to be invoked.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
notifyActionListeners() → void
Call all the registered listeners.
removeActionListener(ActionListenerCallback listener) → void
Remove a previously registered closure from the list of closures that are notified when the object changes.
@mustCallSuper, 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
toStringShort() String
A brief description of this object, usually just the runtimeType and the hashCode.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited