adblock_detector 0.0.2

Cross Platform AdBlock Detector for Flutter. Detects if the user has an AdBlocker enabled.

example/lib/main.dart

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

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Adblock Detector Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // TRY THIS: Try running your application with "flutter run". You'll see
        // the application has a purple toolbar. Then, without quitting the app,
        // try changing the seedColor in the colorScheme below to Colors.green
        // and then invoke "hot reload" (save your changes or press the "hot
        // reload" button in a Flutter-supported IDE, or press "r" if you used
        // the command line to start the app).
        //
        // Notice that the counter didn't reset back to zero; the application
        // state is not lost during the reload. To reset the state, use hot
        // restart instead.
        //
        // This works for code too, not just values: Most code changes can be
        // tested with just a hot reload.
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Adblock Detector Demo'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return Scaffold(
      appBar: AppBar(
        // TRY THIS: Try changing the color here to a specific color (to
        // Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
        // change color while the other colors stay the same.
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        // Here we take the value from the MyHomePage object that was created by
        // the App.build method, and use it to set our appbar title.
        title: Text(widget.title),
      ),
      body: Center(
        // Center is a layout widget. It takes a single child and positions it
        // in the middle of the parent.
        child: Column(
          // Column is also a layout widget. It takes a list of children and
          // arranges them vertically. By default, it sizes itself to fit its
          // children horizontally, and tries to be as tall as its parent.
          //
          // Column has various properties to control how it sizes itself and
          // how it positions its children. Here we use mainAxisAlignment to
          // center the children vertically; the main axis here is the vertical
          // axis because Columns are vertical (the cross axis would be
          // horizontal).
          //
          // TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
          // action in the IDE, or press "p" in the console), to see the
          // wireframe for each widget.
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            const Text(
              'Press the button below to check for Adblock',
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton.extended(
        onPressed: () async {
          print('btn click');
          AdBlockDetector adBlockDetector = AdBlockDetector();
          print('testing adblock...');

          bool isAdblocking = await adBlockDetector
              .isAdBlockEnabled(testAdNetworks: [AdNetworks.googleAdMob]);
          // * Check Docs for more supported ad networks, custom Ad Networks also supported
          // ! if internet is unavailable it will default to false (no adblock detected)

          print('adblock test complete with value: $isAdblocking');

          if (isAdblocking) {
            //show alert that ad blocking is detected
            showDialog<void>(
              context: context,
              barrierDismissible: false, // user must tap button!
              builder: (BuildContext context) {
                return AlertDialog(
                  title: const Text('AdBlock Detected'),
                  content: const SingleChildScrollView(
                    child: ListBody(
                      children: <Widget>[
                        Text('Adblock is detected on your device'),
                        Text(
                            'Would you like check if user is connected to AdGuard DNS?'),
                      ],
                    ),
                  ),
                  actions: <Widget>[
                    TextButton(
                      child: const Text('Check AdGuard DNS'),
                      onPressed: () async {
                        bool isAdGuardDns =
                            await adBlockDetector.isAdguardDNS();

                        showDialog<void>(
                          context: context,
                          barrierDismissible: false, // user must tap button!
                          builder: (BuildContext context) {
                            return AlertDialog(
                              title: Text(
                                  'AdGuard DNS ${isAdGuardDns ? 'Detected' : 'Not Detected'}'),
                              actions: <Widget>[
                                TextButton(
                                  child: const Text('Close'),
                                  onPressed: () {
                                    Navigator.of(context).pop();
                                  },
                                ),
                              ],
                            );
                          },
                        );
                      },
                    ),
                    TextButton(
                      child: const Text('Close'),
                      onPressed: () {
                        Navigator.of(context).pop();
                      },
                    ),
                  ],
                );
              },
            );
          } else {
            //show alert that adblocking is NOT detected
            return showDialog<void>(
              context: context,
              barrierDismissible: false, // user must tap button!
              builder: (BuildContext context) {
                return AlertDialog(
                  title: const Text('No AdBlock Detected'),
                  actions: <Widget>[
                    TextButton(
                      child: const Text('Close'),
                      onPressed: () {
                        Navigator.of(context).pop();
                      },
                    ),
                  ],
                );
              },
            );
          }
        },
        label: const Text('Run Adblock Detector'),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}