ngAfterChanges method

Implementation

@override
ngAfterChanges() {
  iconRef.icon = toggle ? toggledIcon : icon;
  _showToggled = toggle && _hasValue(toggledIcon);
  _showBasic = !toggle && _hasValue(icon);
  _hideIcon =
      (toggle && !_hasValue(toggledIcon)) || (!toggle && !_hasValue(icon));
  // Ensure the icon displayed by the underlying material-icon is updated.
  _cdRef.markForCheck();
}