nn_counter_tracker 0.1.2

Lightweight, highly customizable analytics-style tracking for Flutter widgets: views, impressions, taps, clicks and user interactions. Works like a mini analytics SDK while staying simple and develope [...]

nn_counter_tracker

Lightweight, highly customizable analytics-style tracking for Flutter widgets — count views, impressions, taps, clicks and user interactions. It works like a mini analytics SDK while staying simple and developer-friendly.

Track any of the following out of the box:

• Widget views & impressions
• Button clicks
• Card taps
• Banner interactions
• Coupon interactions
• Product views
• Promotion clicks

Supported platforms

Android	iOS	Web	macOS	Windows	Linux
✅	✅	✅	✅	✅	✅

Features

• 👀 View tracking with VisibilityDetector, a configurable visibility threshold, duplicate-suppression and an optional cooldown.
• 👆 Click tracking with tap detection and count callbacks.
• 🔗 Combined tracker for views + clicks in one widget.
• 🧱 Pluggable storage — SharedPreferences (default) or Hive, or bring your own by implementing CounterStorage.
• 🔔 Reactive — per-id ValueListenables and a broadcast updates stream. No external state-management packages required.
• 📊 Analytics API to read counters anywhere.

Installation

Add the dependency to your pubspec.yaml:

dependencies:
  nn_counter_tracker: ^0.1.0

Then run:

flutter pub get

Optionally initialize the service at start-up (needed for logs / custom storage):

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  CounterTrackerService.instance.configure(enableLogs: true);
  await CounterTrackerService.instance.init();
  runApp(const MyApp());
}

Usage

View tracking

Counts a view when the widget becomes visible.

CounterViewTracker(
  id: 'product_001',
  visibilityThreshold: 0.5,
  cooldownDuration: Duration(seconds: 3),
  onViewed: (count) => debugPrint('Viewed: $count'),
  child: ProductCard(),
)

Click tracking

CounterClickTracker(
  id: 'product_001',
  onClicked: (count) => debugPrint('Clicked: $count'),
  child: ProductCard(),
)

Combined tracker

CounterTracker(
  id: 'promo_001',
  trackView: true,
  trackClick: true,
  child: PromotionCard(),
)

Reactive UI with CounterBuilder

CounterBuilder(
  id: 'product_001',
  builder: (context, data, _) => Text(
    'Views: ${data.views} | Clicks: ${data.clicks}',
  ),
)

Analytics API

final counter = await CounterAnalytics.getCounter('product_001');
final views   = await CounterAnalytics.getViews('product_001');
final clicks  = await CounterAnalytics.getClicks('product_001');
final all     = await CounterAnalytics.getAllCounters();
await CounterAnalytics.clear();

Customization

Option	Type	Applies to	Default
visibilityThreshold	double	view / combined trackers	0.5
cooldownDuration	Duration?	view / combined trackers	null
enableLogs	bool	service (configure)	false
trackView	bool	CounterTracker	true
trackClick	bool	CounterTracker	true

Choosing a storage backend

SharedPreferences is used by default. To use Hive:

import 'package:hive/hive.dart';

Hive.init(directory); // or Hive.initFlutter();
CounterTrackerService.instance.configure(
  storage: HiveCounterStorage(),
);

Implement CounterStorage for a custom (e.g. remote) backend.

Architecture

Widgets  ──▶  CounterTrackerService  ──▶  CounterStorage
(view/click)   (cache + notifiers +        (SharedPreferences /
               broadcast stream)            Hive / custom)

API reference

Public classes: CounterData, CounterStorage, SharedPreferencesCounterStorage, HiveCounterStorage, CounterTrackerService, CounterAnalytics, CounterLogger, CounterViewTracker, CounterClickTracker, CounterTracker, CounterBuilder. See the inline dartdoc for each member.

Screenshots

Add screenshots/GIFs of the example app here. Run the example with cd example && flutter run.

Feed	Dashboard
(screenshot)	(screenshot)

Example

A full example lives in example/, demonstrating product cards, promotion banners, coupon cards, view + click tracking and an analytics dashboard.

Contributing

Issues and PRs are welcome. Please run flutter analyze and flutter test before submitting.

License

MIT