SemanticsAction class

The possible actions that can be conveyed from the operating system accessibility APIs to a semantics node.

\warning When changes are made to this class, the equivalent APIs in lib/ui/semantics/semantics_node.h and in each of the embedders must be updated. See also:

  • file://./../../lib/ui/semantics/semantics_node.h

Properties

hashCode → int
The hash code for this object.
read-onlyinherited
index → int
The numerical value for this action.
final
name → String
A human-readable name for this flag, used for debugging purposes.
final
runtimeType → Type
A representation of the runtime type of the object.
read-onlyinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
override

Operators

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

Static Properties

values → List<SemanticsAction>
read-only

Static Methods

fromIndex(int index) → SemanticsAction?

Constants

copy → const SemanticsAction
Copy the current selection to the clipboard.
SemanticsAction._(_kCopyIndex, 'copy')
customAction → const SemanticsAction
Indicates that the user has invoked a custom accessibility action.
SemanticsAction._(_kCustomActionIndex, 'customAction')
cut → const SemanticsAction
Cut the current selection and place it in the clipboard.
SemanticsAction._(_kCutIndex, 'cut')
decrease → const SemanticsAction
A request to decrease the value represented by the semantics node.
SemanticsAction._(_kDecreaseIndex, 'decrease')
didGainAccessibilityFocus → const SemanticsAction
Indicates that the node has gained accessibility focus.
SemanticsAction._(_kDidGainAccessibilityFocusIndex, 'didGainAccessibilityFocus')
didLoseAccessibilityFocus → const SemanticsAction
Indicates that the node has lost accessibility focus.
SemanticsAction._(_kDidLoseAccessibilityFocusIndex, 'didLoseAccessibilityFocus')
dismiss → const SemanticsAction
A request that the node should be dismissed.
SemanticsAction._(_kDismissIndex, 'dismiss')
increase → const SemanticsAction
A request to increase the value represented by the semantics node.
SemanticsAction._(_kIncreaseIndex, 'increase')
longPress → const SemanticsAction
The equivalent of a user pressing and holding the screen with the finger for a few seconds without moving it.
SemanticsAction._(_kLongPressIndex, 'longPress')
moveCursorBackwardByCharacter → const SemanticsAction
Move the cursor backward by one character.
SemanticsAction._(_kMoveCursorBackwardByCharacterIndex, 'moveCursorBackwardByCharacter')
moveCursorBackwardByWord → const SemanticsAction
Move the cursor backward by one word.
SemanticsAction._(_kMoveCursorBackwardByWordIndex, 'moveCursorBackwardByWord')
moveCursorForwardByCharacter → const SemanticsAction
Move the cursor forward by one character.
SemanticsAction._(_kMoveCursorForwardByCharacterIndex, 'moveCursorForwardByCharacter')
moveCursorForwardByWord → const SemanticsAction
Move the cursor forward by one word.
SemanticsAction._(_kMoveCursorForwardByWordIndex, 'moveCursorForwardByWord')
paste → const SemanticsAction
Paste the current content of the clipboard.
SemanticsAction._(_kPasteIndex, 'paste')
scrollDown → const SemanticsAction
The equivalent of a user moving their finger across the screen from top to bottom.
SemanticsAction._(_kScrollDownIndex, 'scrollDown')
scrollLeft → const SemanticsAction
The equivalent of a user moving their finger across the screen from right to left.
SemanticsAction._(_kScrollLeftIndex, 'scrollLeft')
scrollRight → const SemanticsAction
The equivalent of a user moving their finger across the screen from left to right.
SemanticsAction._(_kScrollRightIndex, 'scrollRight')
scrollUp → const SemanticsAction
The equivalent of a user moving their finger across the screen from bottom to top.
SemanticsAction._(_kScrollUpIndex, 'scrollUp')
setSelection → const SemanticsAction
Set the text selection to the given range.
SemanticsAction._(_kSetSelectionIndex, 'setSelection')
setText → const SemanticsAction
Replaces the current text in the text field.
SemanticsAction._(_kSetTextIndex, 'setText')
showOnScreen → const SemanticsAction
A request to fully show the semantics node on screen.
SemanticsAction._(_kShowOnScreenIndex, 'showOnScreen')
tap → const SemanticsAction
The equivalent of a user briefly tapping the screen with the finger without moving it.
SemanticsAction._(_kTapIndex, 'tap')