FocusNode class
Represents a focusable node in the widget tree.
Tracks whether this node has focus, can receive focus, and provides a key event handler.
Constructors
- FocusNode({bool canFocus = true, KeyHandler? onKey})
Properties
- canFocus ↔ bool
-
getter/setter pair
- hasFocus → bool
-
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- onKey ↔ KeyHandler?
-
getter/setter pair
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
addListener(
VoidCallback cb) → void -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
removeListener(
VoidCallback cb) → void -
requestFocus(
) → void -
toString(
) → String -
A string representation of this object.
inherited
-
unfocus(
) → void
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited