我已经为iOS成功实施了IAP introductory price套装，但我对是否需要iOS端的额外代码进行管理感到困惑？如果是，那么所需的更改是什么？
答案 0 :(得分：1)
如果您正确实施了IAP入门价格，则不需要在iOS端进行任何额外的工作来管理它。价格通过iTunesConnect界面进行管理。通过正确实现它，我的意思是使用SKProduct API来获取价格并将其显示在应用程序中，这样当您从iTunes连接中更改它时，它也会在应用程序中发生变化。
答案 1 :(得分：0)
好吧，如果您想正确实现它，则实际上需要额外的代码。这样可以为客户提供特定的报价，从而清楚地了解他所得到的。
通过iOS 12和13，您可以获得3种不同的订阅入门价格：
要了解这三个方面的重要性以及简单而全面的订阅视图，请参阅Auto-renewable Subscriptions Apple doc with recommended UI
在展示您购买的View Controller时，您应该：
在我前面提到的Apple文档中，有许多“实际”屏幕显示了不同的用例。
我的课程负责处理每种产品的介绍价格状态
/**
Receipt description
*/
public class LatestReceipt: CustomStringConvertible {
public var description: String {
let prefix = type(of: self)
return """
\(prefix) expires \(expiredDate?.compact(timeStyle: .medium) ?? "nil"):
\(prefix) • product: \(productID);
\(prefix) • isEligible: \(isEligible);
\(prefix) • isActive: \(isActive);
\(prefix) • have been in free trial: \(haveBeenInFreeTrialPeriod);
\(prefix) • intro date: \(introOfferPeriodDate?.compact(timeStyle: .medium) ?? "nil");
\(prefix) • free trial period: \(inFreeTrialPeriod).
"""
}
/// Related product ID
var productID = ""
/**
Tells whether the user is eligible for any introductory period
- Note: From the Apple Doc: You can use “is_in_intro_offer_period” value to determine if the user is eligible for introductory pricing. If a previous subscription period in the receipt has the value “true” for either the “is_trial_period” or “is_in_intro_offer_period” keys, the user is not eligible for a free trial or introductory price within that subscription group.
*/
public var isEligible = true
/// When did the user benefited the intro offer? Nil means never.
public var introOfferPeriodDate: Date? = nil
/// When did the user benefited the free trial? Nil means never.
public var freeTrialPeriodDate: Date? = nil
public var inFreeTrialPeriod = false
/// Tells whether the user benefited the free trial period in the past
public var haveBeenInFreeTrialPeriod = false
/// Is still active for today?
public var isActive = false
/// Last expired date
public var expiredDate: Date? = nil
// Latest receipt content
public var content = NSDictionary()
/**
Replaces the current receipt if the new one is more recent. And compute isActive and others propteries.
- Parameters:
- receipt: The new receipt to test.
*/
public func replaceIfMoreRecent(receipt: NSDictionary) {
// Replace receipt if more recent
if let ed = expiredDate {
// -- Expiring product (aka subscriptions): add only the most recent
guard let receiptExpiresDate = receipt["expires_date"] as? String,
let red = StoreKit.getDate(receiptExpiresDate) else {
print("\(#function): *** Error unable to get receipt expiredDate or convert it to a Date(), skipped")
return
}
// This receipt is most recent than the currently stored? if, yes, replace
if red.isAfter(ed) {
content = receipt
expiredDate = red
// Is in trial?
if let tp = content["is_trial_period"] as? String {
inFreeTrialPeriod = tp == "true"
if inFreeTrialPeriod {
haveBeenInFreeTrialPeriod = true
}
}
// When was the intro?
if let intro = content["is_in_intro_offer_period"] as? String,
intro == "true" {
introOfferPeriodDate = red
}
let now = Date()
// Subscription still active today?
isActive = red.isAfterOrSame(now)
// Eligibility; check against PREVIOUS subscription period
if !isActive {
// You can use “is_in_intro_offer_period” value to determine if the user is eligible for introductory pricing. If a previous subscription period in the receipt has the value “true” for either the “is_trial_period” or “is_in_intro_offer_period” keys, the user is not eligible for a free trial or introductory price within that subscription group.
let benefitedFromIntroductoryPrice = introOfferPeriodDate != nil || haveBeenInFreeTrialPeriod
isEligible = !benefitedFromIntroductoryPrice
}
}
print("\(#function): new \(self)")
}
}
init(receipt: NSDictionary) {
content = receipt
if let productID = receipt["product_id"] as? String {
self.productID = productID
}
// When subscription, set expires date
if let receiptExpiresDate = receipt["expires_date"] as? String,
let red = StoreKit.getDate(receiptExpiresDate) {
expiredDate = red
// Is in trial?
if let tp = content["is_trial_period"] as? String,
tp == "true" {
inFreeTrialPeriod = true
haveBeenInFreeTrialPeriod = true
}
// When was the intro?
if let intro = content["is_in_intro_offer_period"] as? String,
intro == "true" {
introOfferPeriodDate = red
}
let now = Date()
// Subscription still active today?
isActive = red.isAfterOrSame(now)
// Eligibility; check against PREVIOUS subscription period
if !isActive {
// You can use “is_in_intro_offer_period” value to determine if the user is eligible for introductory pricing. If a previous subscription period in the receipt has the value “true” for either the “is_trial_period” or “is_in_intro_offer_period” keys, the user is not eligible for a free trial or introductory price within that subscription group.
let benefitedFromIntroductoryPrice = introOfferPeriodDate != nil || inFreeTrialPeriod
isEligible = !benefitedFromIntroductoryPrice
}
}
}
}