isBillingProgramAvailableAndroid abstract method

Future<BillingProgramAvailabilityResultAndroid> isBillingProgramAvailableAndroid(
  1. BillingProgramAndroid program
)

Check whether a billing program (e.g., External Payments) is available for the current user. Replaces the deprecated isExternalOfferAvailableAsync API. Introduced in Google Play Billing Library 8.2.0. External Offer and External Content Link integrations must use 8.2.1+ because 8.2.1 fixes this API. Returns availability result with isAvailable flag. Throws OpenIapError.NotPrepared if billing client not ready. See: https://openiap.dev/docs/apis/android/is-billing-program-available-android

Implementation

Future<BillingProgramAvailabilityResultAndroid> isBillingProgramAvailableAndroid(BillingProgramAndroid program);