BillingClient.BillingResponseCode.ITEM_ALREADY_OWNED：以及购买的重新验证

Question

[如果应用中的购买呼叫BillingClient.BillingResponseCode.ITEM_ALREADY_OWNED：需要调用

acknowledgePurchase（...

重新启用订单的功能？

Answer 1

acknowledgePurchase()不允许购买两次。

无法购买两次，必须先通过致电billingClient.consumeAsync()消费，才能再次购买，>

[acknowledgePurchase()需要在成功购买后的短时间内调用，即billingResult.getResponseCode() == BillingClient.BillingResponseCode.OK和purchase.getPurchaseState() == Purchase.PurchaseState.PURCHASED不这样做会使购买的商品退款。

如果您在验证待定期间尝试再次购买，但在返回BillingClient.BillingResponseCode.ITEM_ALREADY_OWNED和acknowledgePurchase()之前不致电billingResult.getResponseCode() == BillingClient.BillingResponseCode.OK，则购买可能会返回[C0