IAPHelper class

大致流程 * 1、初始化、加载Products identifier List 2、业务发起支付，检查是否当前正在处理，检查Products identifier List加载状态 3、处理付款回调，过程： a、cancel/error的直接complete，并发出signal b、purchased的校验付款时间，校验失败直接return，并complete c、purchased的校验成功，调用当前流程中给定的IapPurchaseValidator实例 d、IapPurchaseValidator实例校验结果回调后，IAPHelper处理校验结果和缓存状态 4、发出处理结果signal

Available extensions

Constructors

config → IAPConfig: Available on IAPHelper, provided by the Getters extension

no setter
detailsStream → Stream<List<PurchaseDetails>>: Available on IAPHelper, provided by the Getters extension

no setter
errorStream → Stream<IapErrorResult>: Available on IAPHelper, provided by the Getters extension

no setter
hashCode → int: The hash code for this object.
no setterinherited
isAvailable → Future<bool>: Available on IAPHelper, provided by the Getters extension

no setter
products → List<ProductDetails>: Available on IAPHelper, provided by the Getters extension

no setter
productsStream → Stream<List<ProductDetails>>: Available on IAPHelper, provided by the Getters extension

no setter
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
unverifiedPurchasesCacheKey → String: final

buy(String productId, {bool isConsumable = false, required IapPurchaseValidator purchaseValidator}) → Future<bool>: Available on IAPHelper, provided by the PublicOfBuy extension
Buying item with productId.
dispose() → dynamic: Available on IAPHelper, provided by the Public extension
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
reloadProductIdentifier(Set<String> identifiers) → dynamic: Available on IAPHelper, provided by the Public extension
restorePurchases() → dynamic: Available on IAPHelper, provided by the Public extension
setup({required IAPConfig config}) → dynamic: Available on IAPHelper, provided by the Public extension
toString() → String: A string representation of this object.
inherited