simple_circular_progress_bar 1.0.2

Open source Flutter package, simple circular progress indicator.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'progress_bar_example.dart';
import 'value_notifier_example.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  @override
  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Progress bar example app'),
        ),
        body: const ExampleHome(),
      ),
    );
  }
}

class ExampleHome extends StatelessWidget {
  const ExampleHome({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    final ButtonStyle buttonStyle = ButtonStyle(
      textStyle: MaterialStateProperty.all(TextStyle(
        foreground: Paint()..color = Colors.white,
        fontSize: 20,
        fontWeight: FontWeight.bold,
      )),
      minimumSize: MaterialStateProperty.all(const Size.fromHeight(60)),
      backgroundColor: MaterialStateProperty.all(
        Colors.black.withOpacity(0.25),
      ),
      alignment: Alignment.center,
    );

    return Container(
      decoration: const BoxDecoration(
          gradient: LinearGradient(
        begin: Alignment.topLeft,
        end: Alignment.bottomRight,
        colors: [
          Color(0xff0d324d),
          Color(0xff7f5a83),
        ],
      )),
      child: Padding(
        padding: const EdgeInsets.only(left: 20, right: 20),
        child: Column(
          mainAxisAlignment: MainAxisAlignment.start,
          children: [
            const SizedBox(
              height: 20,
            ),

            // Create 'Progress bar example' button.
            // -----------------------------------------------------------------
            // Most of the examples of working with the progress bar, you can
            // find in the file: progress_bar_example.dart.
            // -----------------------------------------------------------------
            Expanded(
              child: ElevatedButton(
                onPressed: () {
                  Navigator.push(
                    context,
                    MaterialPageRoute(
                      builder: (context) => const ProgressBarExample(),
                    ),
                  );
                },
                child: Column(
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    Text('Progress bar example'.toUpperCase()),
                    const Text(
                      'More than 18 examples of bar progress states',
                      textAlign: TextAlign.center,
                      style: TextStyle(
                        fontWeight: FontWeight.normal,
                      ),
                    ),
                  ],
                ),
                style: buttonStyle,
              ),
            ),

            const SizedBox(
              height: 20,
            ),

            // Create 'Value notifier example' button.
            // -----------------------------------------------------------------
            // Examples of working with value notifier, you can see in the file:
            // value_notifier_example.dart.
            // -----------------------------------------------------------------
            Expanded(
              child: ElevatedButton(
                onPressed: () {
                  Navigator.push(
                    context,
                    MaterialPageRoute(
                      builder: (context) => const ValueNotifierExample(),
                    ),
                  );
                },
                child: Column(
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    Text('Value notifier example'.toUpperCase()),
                    const Text(
                      'An example showing how to work with ValueNotifier',
                      textAlign: TextAlign.center,
                      style: TextStyle(
                        fontWeight: FontWeight.normal,
                      ),
                    ),
                  ],
                ),
                style: buttonStyle,
              ),
            ),

            const SizedBox(
              height: 20,
            ),
          ],
        ),
      ),
    );
  }
}