addSemanticsActionListener method

void addSemanticsActionListener(
  1. ValueSetter<SemanticsActionEvent> listener
)

Adds a listener that is called for every ui.SemanticsActionEvent received.

The listeners are called before performSemanticsAction is invoked.

To remove the listener, call removeSemanticsActionListener.

Implementation

void addSemanticsActionListener(ValueSetter<ui.SemanticsActionEvent> listener) {
  _semanticsActionListeners.add(listener);
}