OverlayController class

Controls an overlay component (Dialog, Drawer, BottomSheet, Snackbar, Tooltip, Alert), managing its open/closed visibility state and listener notifications.

Constructors

OverlayController({bool isOpen = false})

Creates a new OverlayController.

Properties

hashCode → int

The hash code for this object.

no setter, inherited

isOpen → bool

Whether the target overlay is currently open / visible.

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

addListener(VoidCallback listener) → void

Adds a listener callback triggered on state changes.

close() → void

Closes / hides the target overlay.

dispose() → void

Clears all registered listeners.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

notifyListeners() → void

Notifies all registered listeners of a state change.

open() → void

Opens / shows the target overlay.

removeListener(VoidCallback listener) → void

Removes a registered listener callback.

toggle() → void

Toggles the overlay between open and closed states.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited