无法使用 in_app_purchase flutter 升级/降级 Android 订阅

问题描述 投票:0回答:1

我正在获取过去的购买详细信息,正如文档中提到的,我将获取的详细信息提供给

ChangeSubscriptionParam
,并提供所需的
ProationMode

但是,我在 Playstore 模式中收到错误为

Something went wrong on our end. Please try again
,并且调试控制台显示
Activity finished with resultCode 0 and billing's responseCode: 5

这是我正在使用的代码:

final platform = iapConnection
            .getPlatformAddition<InAppPurchaseAndroidPlatformAddition>();
        final pastPurchases = await platform.queryPastPurchases();

        GooglePlayPurchaseDetails? oldPurchaseDetails;

        // Assumes 1 or none active purchase.
        for (var purchase in pastPurchases.pastPurchases) {
          oldPurchaseDetails = purchase;
        }

        final purchaseParam = GooglePlayPurchaseParam(
            productDetails: event.productDetails,
            changeSubscriptionParam: oldPurchaseDetails != null
                ? ChangeSubscriptionParam(
                    oldPurchaseDetails: oldPurchaseDetails,
                    prorationMode: ProrationMode.deferred)
                : null);

        await iapConnection.buyNonConsumable(purchaseParam: purchaseParam);
flutter in-app-purchase in-app-subscription android-inapp-purchase
1个回答
0
投票

我找出了错误的原因。因此,我在印度尝试订阅模式,并设置了 3 个订阅模式,但其中 2 个的价格超过 5000,因为它们被视为预付费计划(印度的订阅规则)。根据 documentation 当升级、从自动续订计划降级到预付费计划时,唯一允许的按比例分配模式是 IMMEDIATE_AND_CHARGE_FULL_PRICE,而我的目标是 DEFERED 按比例分配模式,因此出现错误。

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