addNewListener method

int addNewListener({
  1. dynamic onChange(
    1. bool
    )?,
  2. Function? onShow,
  3. Function? onHide,
})

Subscribe to a keyboard visibility event onChange is called when a change of the visibility occurs onShow is called when the keyboard appears onHide is called when the keyboard disappears Returns a subscribing id that can be used to unsubscribe

Implementation

int addNewListener(
    {Function(bool)? onChange, Function? onShow, Function? onHide}) {
  _list[_currentIndex] = KeyboardVisibilitySubscriber(
      onChange: onChange, onShow: onShow, onHide: onHide);
  return _currentIndex++;
}