SemanticsFlag class Null safety

A Boolean value that can be associated with a semantics node.

Properties

hashCode → int
The hash code for this object. [...]
read-only, inherited
index → int
The numerical value for this flag. [...]
final
runtimeType → Type
A representation of the runtime type of the object.
read-only, inherited

Methods

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

Operators

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

Constants

hasCheckedState → const SemanticsFlag
The semantics node has the quality of either being "checked" or "unchecked". [...]
SemanticsFlag._(_kHasCheckedStateIndex)
hasEnabledState → const SemanticsFlag
The semantics node has the quality of either being "enabled" or "disabled". [...]
SemanticsFlag._(_kHasEnabledStateIndex)
hasImplicitScrolling → const SemanticsFlag
Whether the platform can scroll the semantics node when the user attempts to move focus to an offscreen child. [...]
SemanticsFlag._(_kHasImplicitScrollingIndex)
hasToggledState → const SemanticsFlag
The semantics node has the quality of either being "on" or "off". [...]
SemanticsFlag._(_kHasToggledStateIndex)
isButton → const SemanticsFlag
Whether the semantic node represents a button. [...]
SemanticsFlag._(_kIsButtonIndex)
isChecked → const SemanticsFlag
Whether a semantics node that hasCheckedState is checked. [...]
SemanticsFlag._(_kIsCheckedIndex)
isEnabled → const SemanticsFlag
Whether a semantic node that hasEnabledState is currently enabled. [...]
SemanticsFlag._(_kIsEnabledIndex)
isFocusable → const SemanticsFlag
Whether the semantic node is able to hold the user's focus. [...]
SemanticsFlag._(_kIsFocusableIndex)
isFocused → const SemanticsFlag
Whether the semantic node currently holds the user's focus. [...]
SemanticsFlag._(_kIsFocusedIndex)
isHeader → const SemanticsFlag
Whether a semantic node is a header that divides content into sections. [...]
SemanticsFlag._(_kIsHeaderIndex)
isHidden → const SemanticsFlag
Whether the semantics node is considered hidden. [...]
SemanticsFlag._(_kIsHiddenIndex)
isImage → const SemanticsFlag
Whether the semantics node represents an image. [...]
SemanticsFlag._(_kIsImageIndex)
isInMutuallyExclusiveGroup → const SemanticsFlag
Whether a semantic node is in a mutually exclusive group. [...]
SemanticsFlag._(_kIsInMutuallyExclusiveGroupIndex)
isKeyboardKey → const SemanticsFlag
Whether the semantic node represents a keyboard key.
SemanticsFlag._(_kIsKeyboardKeyIndex)
Whether the semantic node is an interactive link. [...]
SemanticsFlag._(_kIsLinkIndex)
isLiveRegion → const SemanticsFlag
Whether the semantics node is a live region. [...]
SemanticsFlag._(_kIsLiveRegionIndex)
isMultiline → const SemanticsFlag
Whether the value of the semantics node is coming from a multi-line text field. [...]
SemanticsFlag._(_kIsMultilineIndex)
isObscured → const SemanticsFlag
Whether the value of the semantics node is obscured. [...]
SemanticsFlag._(_kIsObscuredIndex)
isReadOnly → const SemanticsFlag
Whether the semantic node is read only. [...]
SemanticsFlag._(_kIsReadOnlyIndex)
isSelected → const SemanticsFlag
Whether a semantics node is selected. [...]
SemanticsFlag._(_kIsSelectedIndex)
isSlider → const SemanticsFlag
Whether the semantic node represents a slider.
SemanticsFlag._(_kIsSliderIndex)
isTextField → const SemanticsFlag
Whether the semantic node represents a text field. [...]
SemanticsFlag._(_kIsTextFieldIndex)
isToggled → const SemanticsFlag
If true, the semantics node is "on". If false, the semantics node is "off". [...]
SemanticsFlag._(_kIsToggledIndex)
namesRoute → const SemanticsFlag
Whether the semantics node label is the name of a visually distinct route. [...]
SemanticsFlag._(_kNamesRouteIndex)
scopesRoute → const SemanticsFlag
Whether the semantics node is the root of a subtree for which a route name should be announced. [...]
SemanticsFlag._(_kScopesRouteIndex)
values → const Map<int, SemanticsFlag>
The possible semantics flags. [...]
<int, SemanticsFlag>{_kHasCheckedStateIndex : hasCheckedState, _kIsCheckedIndex : isChecked, _kIsSelectedIndex : isSelected, _kIsButtonIndex : isButton, _kIsTextFieldIndex : isTextField, _kIsFoc…