Circular Progress Dialog - Use this to show a circular progress dialog

With Flutter:

$ flutter pub add circular_progress_dialog

This will add a line like this to your package's pubspec.yaml (and run an implicit flutter pub get):

dependencies:
  circular_progress_dialog: ^1.0.0+1

Alternatively, your editor might support flutter pub get. Check the docs for your editor to learn more.

First import the class in your class

import 'package:circular_progress_dialog/circular_progress_dialog.dart';

Example

import 'package:circular_progress_dialog/circular_progress_dialog.dart';

class _MyHomePageState extends State<MyHomePage> {
  bool isVisible = false;

  @override
  Widget build(BuildContext context) {

    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          children: [
            InkWell(
              child: Text((isVisible)?"Hide Dialog":"Show Dialog"),
              onTap: (){
                setState(() {
                  if(isVisible){
                    isVisible = false;
                  }else{
                    isVisible = true;
                  }

                });
              },
            ),
            Container(
              width: 500,
              height: 500,
              child: (isVisible)?
              CircularProgressDialog(container_width: 100,
                  container_height: 100, 
                  icon_size: 50, 
                  icon_color: 
                  Colors.blue): 
              SizedBox(),
            )
          ],
        ),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}

MIT License

Copyright (c) 2022 Dheeraj Singh Bhadoria

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.