flutter_billing 0.0.2 copy "flutter_billing: ^0.0.2" to clipboard
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A flutter plugin to communicate with billing on iOS and Android.

flutter_billing #

A plugin for Flutter that enables communication with billing API in iOS and Android.

Warning: This plugin is still under development, some billing features are not available yet and testing has been limited. Feedback and Pull Requests are welcome.

Using #

Add flutter_billing as a dependency in pubspec.yaml.

Create an instance of the plugin:

final Billing billing = new Billing();

Request available products and details:

final List<BillingProduct> skuDetails = await billing.fetchProducts(<String>[
    'my.product.id',
]);

Request purchased products (each purchase is a product id):

final List<String> purchases = await billing.fetchPurchases();

Make a product purchase. It throws in a case of error or returns a list of purchased products on success:

final List<String> purchases = await billing.purchase(productId);

Tips #

Billing issues calls to App Store and Play Store accordingly. e.g. When fetch products are called more than once it may request products from a Store and not cache. To prevent such situations one could use synchronized package and implement similar solution:

class BillingRepository {
  final Billing _billing = new Billing();
  List<BillingProduct> _cachedProducts;

  Future<List<BillingProduct>> getProducts() {
    return synchronized(this, () async {
      if (_cachedProducts == null) {
        _cachedProducts = await _billing.fetchProducts(<String>[
          'my.product.id',
        ]);
      }

      return _cachedProducts;
    });
  }

  Future<BillingProduct> purchase(BillingProduct product) async {
    final List<String> purchases = await _billing.purchase(product.identifier);
    // update purchased products

    return product;
  }

  Future<BillingProduct> get(String identifier) async {
    final List<BillingProduct> products = await getProducts();

    return products.firstWhere((_) => _.identifier == identifier, orElse: () => null);
  }
}

Limitations #

This is just an initial version of the plugin. There are still some limitiations:

  • iOS implementation is currently under testing
  • Only non-consumable in app products are supported
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A flutter plugin to communicate with billing on iOS and Android.

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License

unknown (LICENSE)

Dependencies

flutter

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