RxBilling

Reactive wrapper around the Android Billing API that makes in app purchases and subscriptions really easy to handle. I've been using this library in my apps for months and it has been working nicely.

Usage

The core functionality is provided via an interface:

public interface RxBilling {
  Observable<InventoryInApp> queryInAppPurchases(String... skuIds);

  Observable<InventorySubscription> querySubscriptions(String... skuIds);

  Completable isBillingForInAppSupported();

  Completable isBillingForSubscriptionsSupported();

  Single<PurchaseResponse> purchase(Inventory inventory, String developerPayload);

  Observable<PurchasedInApp> getPurchasedInApps();

  Observable<PurchasedSubscription> getPurchasedSubscriptions();

  Single<Integer> consumePurchase(PurchasedInApp purchasedInApp);

  void destroy();

  @interface BillingResponse {
    int OK = 0;
    int USER_CANCELED = 1;
    int SERVICE_UNAVAILABLE = 2;
    int BILLING_UNAVAILABLE = 3;
    int ITEM_UNAVAILABLE = 4;
    int DEVELOPER_ERROR = 5;
    int ERROR = 6;
    int ITEM_ALREADY_OWNED = 7;
    int ITEM_NOT_OWNED = 8;
  }
}

The actual interface also contains documentation.

This library offers two implementations.

Aidl implementation

implementation 'com.vanniktech:rxbilling-aidl:0.4.0'

class YourActivity extends Activity implements NaviComponent {
  private RxBilling rxBilling;

  @Override public void onCreate(Bundle savedInstanceState) {
    super.onCreate();
    rxBilling = new RxBillingAidlV3(this);
  }

  @Override public void onDestroy() {
    super.onDestroy();
    rxBilling.destroy();
  }
}

Note: Currently the Activity needs to be a NaviComponent. This is due to the fact that there's no 'Lifecycle' callback for onActivityResult.

Google Play Billing Library implementation

implementation 'com.vanniktech:rxbilling-google-play-library:0.4.0'

class YourActivity extends Activity {
  private RxBilling rxBilling;

  @Override public void onCreate(Bundle savedInstanceState) {
    super.onCreate();
    rxBilling = new RxBillingGooglePlayLibrary(this);
  }

  @Override public void onDestroy() {
    super.onDestroy();
    rxBilling.destroy();
  }
}

Testing

There's also a dedicated testing artifact.

implementation 'com.vanniktech:rxbilling-testing:0.4.0'

License