Flutter SDK
Cross-Platform SDK fuer Flutter 3.16+ mit iOS, Android und Web Support.
Systemvoraussetzungen
| Dart Version | 3.0+ |
| Flutter Version | 3.16+ |
| Plattformen | iOS, Android, Web |
Installation
pubspec.yaml
dependencies:
consent_sdk: ^1.0.0flutter pub getGrundlegende Einrichtung
main.dart
import 'package:flutter/material.dart';
import 'package:consent_sdk/consent_sdk.dart';
void main() async {
WidgetsFlutterBinding.ensureInitialized();
// Consent SDK initialisieren
await ConsentManager.instance.initialize(
config: ConsentConfig(
apiEndpoint: 'https://api.example.com/consent',
siteId: 'my-flutter-app',
),
);
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
home: const ConsentWrapper(
child: HomeScreen(),
),
);
}
}Widget Integration
home_screen.dart
import 'package:flutter/material.dart';
import 'package:consent_sdk/consent_sdk.dart';
class HomeScreen extends StatelessWidget {
const HomeScreen({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
body: Column(
children: [
// StreamBuilder fuer reaktive Updates
StreamBuilder<ConsentState?>(
stream: ConsentManager.instance.consentStream,
builder: (context, snapshot) {
final consent = snapshot.data;
if (consent?.hasConsent(ConsentCategory.analytics) ?? false) {
return const AnalyticsWidget();
}
return const SizedBox.shrink();
},
),
// ConsentGate Widget
ConsentGate(
category: ConsentCategory.marketing,
fallback: const Center(
child: Text('Marketing-Zustimmung erforderlich'),
),
child: const MarketingWidget(),
),
// Buttons
ElevatedButton(
onPressed: () => ConsentManager.instance.acceptAll(),
child: const Text('Alle akzeptieren'),
),
ElevatedButton(
onPressed: () => ConsentManager.instance.rejectAll(),
child: const Text('Alle ablehnen'),
),
TextButton(
onPressed: () => ConsentManager.instance.showSettings(context),
child: const Text('Einstellungen'),
),
],
),
);
}
}Custom Cookie Banner
cookie_banner.dart
import 'package:flutter/material.dart';
import 'package:consent_sdk/consent_sdk.dart';
class CustomCookieBanner extends StatelessWidget {
const CustomCookieBanner({super.key});
@override
Widget build(BuildContext context) {
return StreamBuilder<bool>(
stream: ConsentManager.instance.isBannerVisibleStream,
builder: (context, snapshot) {
if (!(snapshot.data ?? false)) {
return const SizedBox.shrink();
}
return Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Colors.white,
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.1),
blurRadius: 10,
),
],
),
child: SafeArea(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
const Text(
'Wir verwenden Cookies um Ihr Erlebnis zu verbessern.',
style: TextStyle(fontSize: 14),
),
const SizedBox(height: 16),
Row(
mainAxisAlignment: MainAxisAlignment.end,
children: [
TextButton(
onPressed: () => ConsentManager.instance.rejectAll(),
child: const Text('Ablehnen'),
),
TextButton(
onPressed: () => ConsentManager.instance.showSettings(context),
child: const Text('Einstellungen'),
),
ElevatedButton(
onPressed: () => ConsentManager.instance.acceptAll(),
child: const Text('Alle akzeptieren'),
),
],
),
],
),
),
);
},
);
}
}API Referenz
| Methode/Property | Beschreibung |
|---|---|
initialize() | SDK initialisieren (Future) |
hasConsent() | Consent pruefen |
consentStream | Stream fuer Consent-Updates |
isBannerVisibleStream | Stream fuer Banner-Sichtbarkeit |
acceptAll() | Alle akzeptieren (Future) |
rejectAll() | Alle ablehnen (Future) |
setConsent() | Kategorien setzen (Future) |
showSettings() | Einstellungs-Dialog oeffnen |