flutter_iap_plus 1.0.0

flutter_iap_plus: ^1.0.0 copied to clipboard

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_iap_plus/flutter_iap_plus.dart';
import 'package:flutter_svg/svg.dart';

import 'gen/assets.gen.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();

  // Single-product setup. For multiple products use:
  //   productIds: {'com.app.weekly', 'com.app.monthly', 'com.app.yearly'},
  await PurchasesManager.instance.init(productId: 'com.app.weekly');

  // Optional: subscribe to a unified event stream instead of using the
  // legacy onPurchaseX callbacks.
  PurchasesManager.instance.purchaseEvents.listen((event) {
    debugPrint('Purchase event: $event');
  });

  runApp(const MyApp());
}

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

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'flutter_iap_plus example',
      home: const _HomePage(),
      builder: (context, child) {
        // Configure the purchase screen UI here so it has access to the
        // app's BuildContext (for l10n, theme, etc.).
        _configIap(context);
        return LoadingWidget(child: child!);
      },
    );
  }

  void _configIap(BuildContext context) {
    PurchasesManager.instance.config(
      templateData: TemplateDataModel(
        iconPath: Assets.images.logo.path,
        title: 'Unlock <highlight>Premium</highlight>',
        subtitle: 'Enjoy every feature, ad-free',
        features: [
          FeatureDataModel(
            text: 'Ultra-fast connection',
            icon: SvgPicture.asset(Assets.images.flash),
          ),
          FeatureDataModel(
            text: 'Enjoy an ad-free experience',
            icon: SvgPicture.asset(Assets.images.removeAds),
          ),
        ],
        buttonText: 'Start 3-Day Free Trial',
        termOfUseText: 'Terms of Use',
        privacyPolicyText: 'Privacy Policy',
        restorePurchaseText: 'Restore Purchases',
        termsOfUseUrl: 'https://example.com/terms',
        privacyPolicyUrl: 'https://example.com/privacy',
        enableMarqueeText: true,
        gradient: const LinearGradient(
          begin: Alignment.topCenter,
          end: Alignment.bottomCenter,
          colors: [Color(0xFFBAF36C), Color(0xFF74AA47)],
        ),
        errorData: ErrorDataModel(
          itemAlreadyOwnedText: 'You already own this item.',
          unknownErrorText: 'Something went wrong, please try again.',
          buttonText: 'OK',
        ),
        additionCloseButtonConfig: CloseButtonConfig(
          alignment: Alignment.topRight,
          closeButtonWidget: GestureDetector(
            onTap: PurchasesManager.instance.closePurchaseScreen,
            child: const Padding(
              padding: EdgeInsets.all(12),
              child: Text(
                'Continue with ads',
                style: TextStyle(color: Colors.white70),
              ),
            ),
          ),
        ),
      ),
    );
  }
}

class _HomePage extends StatelessWidget {
  const _HomePage();

  @override
  Widget build(BuildContext context) {
    return IAPBuilder(
      builder: (context, state, isPremium) {
        return Scaffold(
          appBar: AppBar(
            title: const Text('flutter_iap_plus example'),
            backgroundColor: Theme.of(context).colorScheme.inversePrimary,
          ),
          body: Center(
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                Text(
                  isPremium ? 'Premium User' : 'Free User',
                  style: Theme.of(context).textTheme.headlineMedium,
                ),
                const SizedBox(height: 24),
                if (isPremium)
                  FilledButton.icon(
                    onPressed: PurchasesManager.instance.manageSubscription,
                    icon: const Icon(Icons.workspace_premium),
                    label: const Text('Manage Subscription'),
                  )
                else
                  ...List.generate(5, (index) {
                    final tpl = index + 1;
                    return Padding(
                      padding: const EdgeInsets.symmetric(vertical: 4),
                      child: FilledButton(
                        onPressed: () =>
                            PurchasesManager.instance.openPurchaseScreen(
                              context: context,
                              templateIndex: tpl,
                            ),
                        child: Text('Open Template $tpl'),
                      ),
                    );
                  }),
              ],
            ),
          ),
        );
      },
    );
  }
}