flutter_colorpicker 0.0.3

A HSV color picker for your flutter app.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_colorpicker/flutter_colorpicker.dart';

main() => runApp(
      new MaterialApp(
        home: new Scaffold(
          appBar: new AppBar(
            title: const Text('Flutter Color Picker Example'),
          ),
          body: new MyApp(),
        ),
      ),
    );

class MyApp extends StatefulWidget {
  @override
  State<StatefulWidget> createState() => new _MyAppState();
}

class _MyAppState extends State<MyApp> {
  Color pickerColor = new Color(0xff443a49);
  Color currentColor = new Color(0xff443a49);

  ValueChanged<Color> onColorChanged;

  changeColor(Color color) {
    setState(() {
      pickerColor = color;
    });
  }

  @override
  Widget build(BuildContext context) {
    return new Center(
      child: new RaisedButton(
        elevation: 3.0,
        onPressed: () {
          pickerColor = currentColor;
          showDialog(
            context: context,
            child: new AlertDialog(
              title: const Text('Pick a color!'),
              content: new SingleChildScrollView(
                child: new ColorPicker(
                    pickerColor: pickerColor, onColorChanged: changeColor),
              ),
              actions: <Widget>[
                new FlatButton(
                  child: new Text('Got it'),
                  onPressed: () {
                    setState(() => currentColor = pickerColor);
                    Navigator.of(context).pop();
                  },
                ),
              ],
            ),
          );
        },
        child: new Text('Change me'),
        color: currentColor,
        textColor: const Color(0xffffffff),
      ),
    );
  }
}