Line data    Source code

       1             : import 'package:flutter/material.dart';
       2             : 
       3             : /// This widget is just a CircularProgressIndicator and some text, in a
       4             : /// Material widget so it looks nice, as it is used outside of the MaterialApp.
       5             : ///
       6             : /// It's a separate widget as the existing ProgressIndicator widget doesn't
       7             : /// need to have it's contents in a Material widget.
       8             : class InitializingIndicator extends StatelessWidget {
       9             :   final bool _firebaseDone;
      10           4 :   const InitializingIndicator(this._firebaseDone, {Key? key}) : super(key: key);
      11             : 
      12           2 :   @override
      13             :   Widget build(BuildContext context) {
      14             :     var message = '';
      15           2 :     if (!_firebaseDone) {
      16             :       message = 'Firing up the machine, taking care to not cross streams...';
      17             :     }
      18           2 :     return Material(
      19           2 :       child: Column(
      20             :           mainAxisAlignment: MainAxisAlignment.center,
      21           2 :           children: <Widget>[
      22             :             const CircularProgressIndicator(),
      23             :             const SizedBox(height: 30),
      24           2 :             Text(message, textDirection: TextDirection.ltr)
      25             :           ]),
      26             :     );
      27             :   }
      28             : }