role property

String? get role

Role of the widget which defines how a screen reader interacts with it. The role should be set in special cases when for example a tree-like element behaves like a checkbox. If role is not specified the editor will pick the appropriate role automatically. More about aria roles can be found here https://w3c.github.io/aria/#widget_roles

Implementation

_i2.String? get role => _i5.getProperty(
      this,
      'role',
    );