SemanticsController class
Class that programmatically interacts with the Semantics tree.
Allows for testing of the Semantics tree, which is used by assistive technology, search engines, and other analysis software to determine the meaning of an application.
Should be accessed through WidgetController.semantics. If no custom implementation is provided, a default SemanticsController will be created.
Properties
- hashCode → int
-
The hash code for this object.
read-onlyinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
read-onlyinherited
Methods
-
find(
Finder finder) → SemanticsNode -
Attempts to find the SemanticsNode of first result from
finder. -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
simulatedAccessibilityTraversal(
{Finder? start, Finder? end}) → Iterable< SemanticsNode> - Simulates a traversal of the currently visible semantics tree as if by assistive technologies.
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited