How To Change Check Mark Color Checkbox Using Flutter App

import 'package:flutter/material.dart';

void main() => runApp(new MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: MyHomePage(),
    );
  }
}
class MyHomePage extends StatefulWidget {
  final String title;
  MyHomePage({this.title});
  @override
  _MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage>{
  bool _isChecked = true;
  List<Color> _colors = [
    Colors.orange[200],
    Colors.pink[100],
    Colors.teal[100],
    Colors.red[300],
    Colors.yellow[700]
  ];

  int _currentIndex = 0;

  _onChanged() {
    int _colorCount = _colors.length;

    setState(() {
      if (_currentIndex == _colorCount - 1) {
        _currentIndex = 0;
      } else {
        _currentIndex += 1;
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.black,
      appBar: AppBar(
        title: Text("Change Check Mark Color Checkbox"),
      ),
      body: Column(
        children: <Widget>[
          Expanded(
            child: Center(
              child: Row(
                children: <Widget>[
                  Checkbox(
                    value: _isChecked,
                    activeColor: Colors.amber,
                    checkColor: _colors[_currentIndex],
                    onChanged: (bool val) => setState(() => _isChecked = val),
                  ),
                  SizedBox(width: 12.0),
                  Text("Checkbox Text"),
                ],
              ),
            ),
          ),
          Expanded(
            child: Center(
              child: RaisedButton(
                onPressed: _onChanged,
                child: Text("Change Color"),
                color: Colors.amber,
                textColor: Colors.white,
              ),
            ),
          ),
        ],
      ),
    );
  }
}