ios - mainBundle 上的 appStoreReceiptURL 始终返回 nil

Question

此方法 appStoreReceiptURL 是 SKPaymentTransaction 上已弃用的 transactionReceipt 方法的替代品。每个人都说只使用这个调用:

NSURL *theURL = [[NSBundle mainBundle] appStoreReceiptURL];

这应该返回收据的 URL(如果有的话)。但对我来说，没有这个值，因为这个值为零，而且据我所知它不应该如此。我在 iOS 7 上运行，并进行了一些应用内购买(设备上的沙盒)。现在，我正在尝试添加另一个应用内购买，即自动续订订阅，并且我需要深入查看收据以获取订阅到期日期。但我无法跳过这个简单的步骤，因为该值始终为零。

有谁知道为什么吗？

Answer 1

有点晚了，但可能对某人有用:

-(void) someMethod {
    NSURL *receiptUrl = [[NSBundle mainBundle] appStoreReceiptURL];
    if ([[NSFileManager defaultManager] fileExistsAtPath:[receiptUrl path]])
    {

        NSData *ios7ReceiptData = [NSData dataWithContentsOfURL:receiptUrl];
        //Do stuff

    } else {
        NSLog(@"iOS 7 AppReceipt not found %@, refreshing...",iapID);
        SKReceiptRefreshRequest *refreshReceiptRequest = [[SKReceiptRefreshRequest alloc] initWithReceiptProperties:@{}];
        refreshReceiptRequest.delegate = self;
        [refreshReceiptRequest start];
    }
}

- (void)requestDidFinish:(SKRequest *)request {
    if([request isKindOfClass:[SKReceiptRefreshRequest class]])
    {
        //SKReceiptRefreshRequest
        NSURL *receiptUrl = [[NSBundle mainBundle] appStoreReceiptURL];
        if ([[NSFileManager defaultManager] fileExistsAtPath:[receiptUrl path]]) {
            NSLog(@"App Receipt exists");
            //Do stuff
        } else {
            NSLog(@"Receipt request done but there is no receipt");

            // This can happen if the user cancels the login screen for the store.
            // If we get here it means there is no receipt and an attempt to get it failed because the user cancelled the login.
            //[self trackFailedAttempt];
        }
    }
}

`