import 'package:flutter/material.dart'; void showDialogTwoButtons( BuildContext context, String title, String message, String buttonLabel1, String buttonLabel2, Function action) { // flutter defined function showDialog( context: context, builder: (BuildContext context) { // return object of type Dialog return AlertDialog( title: new Text(title), content: new Text(message), actions: [ // usually buttons at the bottom of the dialog new FlatButton( child: new Text(buttonLabel1), onPressed: () { Navigator.of(context).pop(); }, ), new FlatButton( child: new Text(buttonLabel2), onPressed: () { Navigator.of(context).pop(); action(context); }, ), ], ); }, ); }