iOS原生内购订阅封装 InAppPurchase-for-iOS

// // DYFIAPHelper.h // // Created by dyf on 15/11/4. // Copyright (c) 2015 dyf. All rights reserved. // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN // THE SOFTWARE. // #import <Foundation/Foundation.h> #import <StoreKit/StoreKit.h> typedef NS_ENUM(NSInteger, DYFIAPProductRequestStatus) { DYFIAPProductFound, // Indicates that there are a valid product. DYFIAPProductsFound, // Indicates that there are some valid products. DYFIAPIdentifiersNotFound, // indicates that are some invalid product identifiers. DYFIAPProductRequestResponse, // Returns valid products and invalid product identifiers. DYFIAPRequestFailed // Indicates that the product request failed. }; typedef NS_ENUM(NSInteger, DYFIAPPurchaseNotificationStatus) { DYFIAPStatusPurchasing, // Indicates that the status is purchasing. DYFIAPPurchaseFailed, // Indicates that the purchase was unsuccessful. DYFIAPPurchaseSucceeded, // Indicates that the purchase was successful. DYFIAPRestoredFailed, // Indicates that restoring products was unsuccessful. DYFIAPRestoredSucceeded, // Indicates that restoring products was successful. DYFIAPDownloadStarted, // Indicates that downloading a hosted content has started. DYFIAPDownloadInProgress, // Indicates that a hosted content is currently being downloaded. DYFIAPDownloadFailed, // Indicates that downloading a hosted content failed. DYFIAPDownloadSucceeded // Indicates that a hosted content was successfully downloaded. }; // Provides notification about the purchase. FOUNDATION_EXPORT NSString * __nonnull const DYFIAPPurchaseNotification; @interface DYFIAPPurchaseNotificationObject : NSObject // Keeps track of the purchase's status. @property (nonatomic, assign) DYFIAPPurchaseNotificationStatus status; // The message indicates an error that occurred. @property (nonatomic, copy, nullable) NSString *message; // A value that indicates how much of the file has been downloaded. @property (nonatomic, assign) float downloadProgress; // Keeps track of the purchase's transactionIdentifier. @property (nonatomic, copy, nullable) NSString *transactionId; @end @protocol DYFIAPHelperDelegate <NSObject> // Tells the delegate that the request has completed. - (void)productRequestDidComplete; @end @interface DYFIAPHelper : NSObject <SKProductsRequestDelegate, SKPaymentTransactionObserver> // The delegate that receives the response of the request. @property (nonatomic, weak, nullable) id<DYFIAPHelperDelegate> delegate; // Provides the status of the product request. @property (nonatomic, assign) DYFIAPProductRequestStatus productRequestStatus; // Provides an `NSError` object of the product request. The error that caused the request to fail. @property (nonatomic, strong, nullable) NSError *productRequestError; // Keeps track of all valid products. These products are available for sale in the App Store. @property (nonatomic, strong, nullable) NSMutableArray *availableProducts; // Keeps track of all invalid product identifiers. @property (nonatomic, strong, nullable) NSMutableArray *invalidProductIds; // Keeps track of all purchases. @property (nonatomic, strong, nullable) NSMutableArray *purchasedProducts; // Keeps track of all restored purchases. @property (nonatomic, strong, nullable) NSMutableArray *restoredProducts; // Returns an `DYFIAPHelper` instance. + (nullable instancetype)helper; // Queries the App Store about the given product identifier. - (void)requestProductForId:(nullable NSString *)productId; // Queries the App Store about the given product identifiers. - (void)requestProductForIds:(nullable NSArray *)productIds; // Returns the product by matching a given product identifier. - (nullable id)getProduct:(nullable NSString *)productId; // Returns the localized price of product by matching a given product identifier. - (nullable NSString *)getLocalePrice:(nullable NSString *)productId; // NO if this device is not able or allowed to make payments. - (BOOL)canMakePayments; // Returns whether there are purchased products. - (BOOL)hasPurchasedProducts; // Returns whether there are restored products. - (BOOL)hasRestoredProducts; // Implements the purchase of a product. - (void)buyProduct:(nullable SKProduct *)product; // Implements the purchase of more products. - (void)buyProduct:(nullable SKProduct *)product quantity:(NSInteger)quantity; // Implements the restoration of previously completed purchases. - (void)restoreProducts; // Removes the transaction from the queue for purchased and restored statuses. - (void)finishTransaction:(nullable SKPaymentTransaction *)transaction; @end