import 'package:flutter/material.dart'; AlertDialog _alert = AlertDialog( content: Row( children: [ CircularProgressIndicator(), Container(margin: EdgeInsets.only(left: 7), child: Text("Loading...")), ], ), ); class ProgressDialogUtil { static showProgressDialog(BuildContext context) { showDialog( barrierDismissible: false, context: context, builder: (BuildContext context) { return _alert; }, ); } static hideProgressDialog(BuildContext context) { Navigator.pop(context); } }