/*
    const Checkbox({
    Key key,
    @required this.value,
    this.tristate = false,//在原true flase两种状态下，增加第三种状态 null 。显示为破折号
    @required this.onChanged,//点击时回调
    this.activeColor,//选中时背景颜色
    this.checkColor,//选中时小勾颜色
    this.focusColor,
    this.hoverColor,
    this.materialTapTargetSize,
    this.focusNode,
    this.autofocus = false,
  })
    const CheckboxListTile({
    Key key,
    @required this.value,//是否选中
    @required this.onChanged,//点击时回调
    this.activeColor,//选中时背景颜色
    this.checkColor,//选中时小勾颜色
   this.title, //正标题
    this.subtitle,//副标题
    this.isThreeLine = false,//开启时subtitle必须有值，当title未空时可以使subtitle 居中
    this.dense,
    this.secondary,//左侧小图标
    this.selected = false,
    this.controlAffinity = ListTileControlAffinity.platform,
      ListTileControlAffinity.leading,将控制器放置在前端
      ListTileControlAffinity.trailing,将控制器放置在后端
      ListTileControlAffinity.platform,默认模式，将空气放置在后端
  })
*/
import 'package:flutter/material.dart';

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

class MyApp extends StatefulWidget {
  @override
  _CounterState createState() => _CounterState();
}

class _CounterState extends State<MyApp> {
  bool _checkboxSelected = true; //维护复选框状态
  bool _checkboxTitleSelected = true; //维护复选框状态

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: "Flutter Deam",
      color: Colors.white,
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Checkbox Sample'),
        ),
        body: Container(
          alignment: Alignment.center,
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              Checkbox(
                value: _checkboxSelected,
                activeColor: Colors.red,
                checkColor:Colors.blue,
                onChanged: (value) {
                  setState(() {
                    _checkboxSelected = value;
                  });
                },
              ),
              SizedBox(
                width: 300.0,
                child:CheckboxListTile(
                  controlAffinity:ListTileControlAffinity.trailing,
                  value: _checkboxTitleSelected,
                  title: Text("title"),
                  subtitle: Text("subtitle"),
                  secondary: Image.network(
                      "https://pcdn.flutterchina.club/imgs/3-17.png"),
                  onChanged: (value) {
                    setState(() {
                      _checkboxTitleSelected = value;
                    });
                  },
                ) ,
              ),

            ],
          ),
        ),
      ),
    );
  }
}

常用方法已经添加了注释，可复制代码直接运行看效果