내장형 In-App Purchase
https://developer.apple.com/in-app-purchase/In-App-Purchase-Guidelines.pdf
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허용 범위:
전자책 혹은 전자앨범
추가 게임 종료
지도.
전자 잡지
디지털 자료
네 가지 종류:
컨텐트
기능
서비스
하위 부품
다섯 가지 범주:
소모 가능
소모 불가
자동 업데이트
무료 구독?
업데이트 불가
내용: 비니를 설정하고, enable it는 사용자가 구매한 후
https://developer.apple.com/in-app-purchase/

invalid product IDs

1.enabled In-App Purchases for your App ID가 있습니까?
2. Sale for Cleared로 설정되었는지 여부
3. 바이너리 파일을 업로드한 적이 있습니까?
4. 당신의 프로젝트스.plist Bundle ID와 App ID가 일치합니까?
5. 새 프로비저닝 프로필이 설치되어 있습니까?
6.
전체 제품 ID를 사용하시겠습니까?
7. 두 시간 이상 기다린다
8. 오래된 앱을 삭제하고 다시 설치
9.
탈옥했습니까?(내가 탈옥했어-.)
탈옥한 기계는 내부 구매를 테스트할 수 없다

구매 테스트 실패?

장치에 있는 앱 스토어를 취소했습니까?반드시 처음부터 취소해야 한다. 그렇지 않으면 어떤 상황이 나타난다
당신은 이미 이 프로그램 내의 구매 항목을 구매했지만, 아직 다운로드하지 않았습니다.
해결 방법: 1.설비를 바꾸다.2.며칠 기다리다
.h

#import <UIKit/UIKit.h>
#import <StoreKit/StoreKit.h>
#define kInAppPurchaseManagerProductsFetchedNotification @"kInAppPurchaseManagerProductsFetchedNotification"
#define kInAppPurchaseManagerTransactionFailedNotification @"kInAppPurchaseManagerTransactionFailedNotification"
#define kInAppPurchaseManagerTransactionSucceededNotification @"kInAppPurchaseManagerTransactionSucceededNotification"

@interface cgViewController : UIViewController<UITableViewDelegate,UITableViewDataSource,SKProductsRequestDelegate,SKPaymentTransactionObserver>{
    SKProduct *proUpgradeProduct;
    SKProductsRequest *productsRequest;
}
- (void)loadStore;
- (BOOL)canMakePurchases;
- (void)purchaseProUpgrade;
@end

.m

#define kInAppPurchaseProUpgradeProductId @"   product id"
#pragma -
#pragma Public methods
//
// call this method once on startup
//
- (void)loadStore
{
    // restarts any purchases if they were interrupted last time the app was open
    [[SKPaymentQueue defaultQueue] addTransactionObserver:self];
    
    // get the product description (defined in early sections)
    [self requestProUpgradeProductData];
}
//
// call this before making a purchase
//
- (BOOL)canMakePurchases
{
    NSLog(@"%d",[SKPaymentQueue canMakePayments]);
    return [SKPaymentQueue canMakePayments];
}
//
// kick off the upgrade transaction
//
- (void)purchaseProUpgrade
{
    NSLog(@"ppp");
    SKPayment *payment = [SKPayment paymentWithProductIdentifier:kInAppPurchaseProUpgradeProductId];
    [[SKPaymentQueue defaultQueue] addPayment:payment];
}
#pragma -
#pragma Purchase helpers
//
// saves a record of the transaction by storing the receipt to disk
//
- (void)recordTransaction:(SKPaymentTransaction *)transaction
{
    if ([transaction.payment.productIdentifier isEqualToString:kInAppPurchaseProUpgradeProductId])
    {
        // save the transaction receipt to disk
        [[NSUserDefaults standardUserDefaults] setValue:transaction.transactionReceipt forKey:@"proUpgradeTransactionReceipt" ];
        [[NSUserDefaults standardUserDefaults] synchronize];
    }
}
//
// enable pro features
//
- (void)provideContent:(NSString *)productId
{
    if ([productId isEqualToString:kInAppPurchaseProUpgradeProductId])
    {
        // enable the pro features
        [[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"isProUpgradePurchased" ];
        [[NSUserDefaults standardUserDefaults] synchronize];
    }
}
//
// removes the transaction from the queue and posts a notification with the transaction result
//
- (void)finishTransaction:(SKPaymentTransaction *)transaction wasSuccessful:(BOOL)wasSuccessful
{
    // remove the transaction from the payment queue.
    [[SKPaymentQueue defaultQueue] finishTransaction:transaction];
    
    NSDictionary *userInfo = [NSDictionary dictionaryWithObjectsAndKeys:transaction, @"transaction" , nil];
    if (wasSuccessful)
    {
        // send out a notification that we’ve finished the transaction
        NSLog(@"succ");
        [[NSNotificationCenter defaultCenter] postNotificationName:kInAppPurchaseManagerTransactionSucceededNotification object:self userInfo:userInfo];
    }
    else
    {
        // send out a notification for the failed transaction
        NSLog(@"fail");
        [[NSNotificationCenter defaultCenter] postNotificationName:kInAppPurchaseManagerTransactionFailedNotification object:self userInfo:userInfo];
    }
}
//
// called when the transaction was successful
//
- (void)completeTransaction:(SKPaymentTransaction *)transaction
{
    [self recordTransaction:transaction];
    [self provideContent:transaction.payment.productIdentifier];
    [self finishTransaction:transaction wasSuccessful:YES];
}
//
// called when a transaction has been restored and and successfully completed
//
- (void)restoreTransaction:(SKPaymentTransaction *)transaction
{
    [self recordTransaction:transaction.originalTransaction];
    [self provideContent:transaction.originalTransaction.payment.productIdentifier];
    [self finishTransaction:transaction wasSuccessful:YES];
}
//
// called when a transaction has failed
//
- (void)failedTransaction:(SKPaymentTransaction *)transaction
{
    if (transaction.error.code != SKErrorPaymentCancelled)
    {
        // error!
        [self finishTransaction:transaction wasSuccessful:NO];
    }
    else
    {
        // this is fine, the user just cancelled, so don’t notify
        [[SKPaymentQueue defaultQueue] finishTransaction:transaction];
    }
}
#pragma mark -
#pragma mark SKPaymentTransactionObserver methods
//
// called when the transaction status is updated
//
- (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions
{
    for (SKPaymentTransaction *transaction in transactions)
    {
        switch (transaction.transactionState)
        {
            case SKPaymentTransactionStatePurchased:
                [self completeTransaction:transaction];
                break;
            case SKPaymentTransactionStateFailed:
                [self failedTransaction:transaction];
                break;
            case SKPaymentTransactionStateRestored:
                [self restoreTransaction:transaction];
                break;
            default:
                break;
        }
    }
}




- (void)requestProUpgradeProductData
{
    NSSet *productIdentifiers = [NSSet setWithObject:@"gwh.syzg.syzgtext" ];
    productsRequest = [[SKProductsRequest alloc] initWithProductIdentifiers:productIdentifiers];
    productsRequest.delegate = self;
    [productsRequest start];
    
    // we will release the request object in the delegate callback
}
#pragma mark -
#pragma mark SKProductsRequestDelegate methods
- (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response
{
    NSArray *products = response.products;
    proUpgradeProduct = [products count] == 1 ? [products firstObject]  : nil;
    if (proUpgradeProduct)
    {
        NSLog(@"Product title: %@" , proUpgradeProduct.localizedTitle);
        NSLog(@"Product description: %@" , proUpgradeProduct.localizedDescription);
        NSLog(@"Product price: %@" , proUpgradeProduct.price);
        NSLog(@"Product id: %@" , proUpgradeProduct.productIdentifier);
    }
    
    for (NSString *invalidProductId in response.invalidProductIdentifiers)
    {
        NSLog(@"Invalid product id: %@" , invalidProductId);
    }
    
    // finally release the reqest we alloc/init’ed in requestProUpgradeProductData
    
    [[NSNotificationCenter defaultCenter] postNotificationName:kInAppPurchaseManagerProductsFetchedNotification object:self userInfo:nil];
}

demo:http://download.csdn.net/detail/gwh111/6932009
Important: To associate In-App Purchase products with the release of your app, make sure its status is “Prepare for Upload.”
https://developer.apple.com/library/ios/documentation/LanguagesUtilities/Conceptual/iTunesConnectInAppPurchase_Guide/Chapters/SubmittingInAppPurchases.html#//apple_ref/doc/uid/TP40013727-CH5-SW1
자세한 내용 참조:
http://www.cocoachina.com/bbs/read.php?tid=69165&keyword=IAP%3C/p%3E
http://www.cocoachina.com/gamedev/misc/2012/0409/4129.html