nemu_tracking_flutter 1.2.0

Nemu Smart Links attribution SDK for Flutter - UTM tracking, deep linking, and install attribution.

example/lib/main.dart

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:nemu_tracking_flutter/nemu_tracking_flutter.dart';

void main() {
  WidgetsFlutterBinding.ensureInitialized();
  runApp(const MyApp());
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Nemu SDK Example',
      theme: ThemeData(
        colorSchemeSeed: Colors.blue,
        useMaterial3: true,
      ),
      home: const HomePage(),
    );
  }
}

class HomePage extends StatefulWidget {
  const HomePage({super.key});

  @override
  State<HomePage> createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {
  String _status = 'Initializing...';
  final _clickIdController = TextEditingController();
  String? _activeClickId;

  @override
  void initState() {
    super.initState();
    _activeClickId = getInstallReferrerClickIdOverride();
    _initSdk();
  }

  void _initSdk() {
    try {
      NemuTracking.instance.init(
        const NemuInitParams(
          apiKey: 'deb2b453-8e0c-4edc-9980-45f599397e4d',
          // `uriScheme` é opcional; omita para apps que usam só Universal Links.
          uriScheme: 'nemu.fluttersdk.example://',
          trackingId: 'VaCItBH8b4',
          isDebugMode: true
        ),
      );
      setState(() => _status = 'SDK loaded successfully');

      NemuTracking.instance.onDeepLink((data) {
        debugPrint('Deep link data: $data');
      });
    } catch (error) {
      setState(() => _status = 'Error: $error');
    }
  }

  void _handleSetClickId() {
    final trimmed = _clickIdController.text.trim();
    if (trimmed.isEmpty) return;
    setInstallReferrerClickIdOverride(trimmed);
    setState(() => _activeClickId = trimmed);
  }

  void _handleClearClickId() {
    setInstallReferrerClickIdOverride(null);
    setState(() {
      _activeClickId = null;
      _clickIdController.clear();
    });
  }

  Future<void> _handleReset() async {
    final prefs = await SharedPreferences.getInstance();
    final keys = prefs.getKeys().where((k) => k.startsWith('@nemu_sdk:'));
    for (final key in keys) {
      await prefs.remove(key);
    }
    setState(() => _status = 'Storage cleared! Reinitializing...');
    _initSdk();
  }

  @override
  void dispose() {
    _clickIdController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: SafeArea(
        child: SingleChildScrollView(
          padding: const EdgeInsets.all(24),
          child: Center(
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                const Text(
                  'Nemu SDK Example',
                  style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
                ),
                const SizedBox(height: 12),
                Text(
                  _status,
                  style: const TextStyle(fontSize: 14, color: Colors.grey),
                ),
                const SizedBox(height: 24),
                if (kDebugMode) _buildDebugSection(),
              ],
            ),
          ),
        ),
      ),
    );
  }

  Widget _buildDebugSection() {
    return Container(
      width: double.infinity,
      padding: const EdgeInsets.all(16),
      decoration: BoxDecoration(
        color: Colors.grey[100],
        borderRadius: BorderRadius.circular(12),
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          const Text(
            'Install Referrer Override',
            style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600),
          ),
          const SizedBox(height: 12),
          TextField(
            controller: _clickIdController,
            decoration: const InputDecoration(
              hintText: 'Enter click_id (e.g. uuid)',
              border: OutlineInputBorder(),
              contentPadding: EdgeInsets.symmetric(horizontal: 12, vertical: 10),
            ),
            autocorrect: false,
          ),
          const SizedBox(height: 12),
          Row(
            children: [
              Expanded(
                child: ElevatedButton(
                  onPressed: _handleSetClickId,
                  child: const Text('Set click_id'),
                ),
              ),
              const SizedBox(width: 8),
              ElevatedButton(
                onPressed: _handleClearClickId,
                style: ElevatedButton.styleFrom(
                  backgroundColor: Colors.grey,
                  foregroundColor: Colors.white,
                ),
                child: const Text('Clear'),
              ),
            ],
          ),
          if (_activeClickId != null) ...[
            const SizedBox(height: 8),
            Text(
              'Active: $_activeClickId',
              style: const TextStyle(
                fontSize: 13,
                color: Colors.blue,
                fontWeight: FontWeight.w500,
              ),
            ),
          ],
          const SizedBox(height: 4),
          const Text(
            'Set the click_id before resetting the SDK to simulate an install referrer on the next deferred deep link check.',
            style: TextStyle(fontSize: 12, color: Colors.grey),
          ),
          const SizedBox(height: 12),
          SizedBox(
            width: double.infinity,
            child: ElevatedButton(
              onPressed: _handleReset,
              style: ElevatedButton.styleFrom(
                backgroundColor: Colors.red,
                foregroundColor: Colors.white,
              ),
              child: const Text('Reset SDK (test deferred deep link)'),
            ),
          ),
        ],
      ),
    );
  }
}