How to hide and show CheckBox in Flutter

In this Google flutter code example we are going to learn how to hide and show CheckBox in Flutter.

You can copy and adopt this source code example to your android project without reinventing the wheel.

The code is based on flutter version 1.

Main.dart (App entry point)

import 'package:flutter/material.dart';
import 'hide_show_checkbox_task-6.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        // This is the theme of your application.
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
      //home: MyHomePage(title: 'Flutter Demo Home Page'),
      home: HideShowCheckbox(),


import 'package:flutter/material.dart';

class HideShowCheckbox extends StatefulWidget {
  _HideShowCheckboxState createState() => _HideShowCheckboxState();

class _HideShowCheckboxState extends State<HideShowCheckbox> {
  bool _isCheckBoxVisible = true;
  bool _isChecked = true;

  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text("Hide & Show CheckBox Example"),
      body: Center(
        child: Column(
          mainAxisSize: MainAxisSize.max,
          children: <Widget>[
                ? CheckboxListTile(
                    value: _isChecked,
                    onChanged: (val) => setState(() => _isChecked = val),
                    title: Text("CheckBox Text"),
                : SizedBox(),
            SizedBox(height: 30.0),
              child: Text(_isCheckBoxVisible ? "Hide" : "Show"),
              onPressed: () {
                setState(() => _isCheckBoxVisible = !_isCheckBoxVisible);

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