onLongClick method
Implementation
GestureRecognizer? onLongClick(OnGestureRecognizerClickListener? callback) {
return GestureRecognizers.of(this).onLongClick(callback);
}
GestureRecognizer? onLongClick(OnGestureRecognizerClickListener? callback) {
return GestureRecognizers.of(this).onLongClick(callback);
}