in app purchases helper for iOS
Objective-C Ruby
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README.md

IAP helper for Apple in app purchases. It uses ARC and blocks for ease of use. Ready to use with newsstand subscriptions.

Require

  • StoreKit
  • iOS 5 or later
  • ARC

How to use

  • Add IAPHelper folder to your project.
  • Add Storekit framework

Cocoapod

pod 'IAPHelper'

Initialize

if(![IAPShare sharedHelper].iap) {

    NSSet* dataSet = [[NSSet alloc] initWithObjects:@"com.comquas.iap.test", nil];

    [IAPShare sharedHelper].iap = [[IAPHelper alloc] initWithProductIdentifiers:dataSet];

}

Production Mode On/Off

[IAPShare sharedHelper].iap.production = NO;

Request Products

[[IAPShare sharedHelper].iap requestProductsWithCompletion:^(SKProductsRequest* request,SKProductsResponse* response)
     {

     }];

Get Locale Price and Title

SKProduct* product =[[IAPShare sharedHelper].iap.products objectAtIndex:0];

NSLog(@"Price: %@",[[IAPShare sharedHelper].iap getLocalePrice:product]);
NSLog(@"Title: %@",product.localizedTitle);

Purchase

[[IAPShare sharedHelper].iap buyProduct:product
                                    onCompletion:^(SKPaymentTransaction* trans){
}];

Check Receipt with shared secret

For checking receipt , recommend to use only for server side. I am not recommend to use from client side directly check it. However, sometime we want to use only on client side for some reason. Use with your own risk.

Please check Apple guide .

[[IAPShare sharedHelper].iap checkReceipt:[NSData dataWithContentsOfURL:[[NSBundle mainBundle] appStoreReceiptURL]] AndSharedSecret:@"your sharesecret" onCompletion:^(NSString *response, NSError *error) {

}];

Check Receipt without shared secret

For checking receipt , recommend to use only for server side. I am not recommend to use from client side directly check it. However, sometime we want to use only on client side for some reason. Use with your own risk.

Please check Apple guide .

[[IAPShare sharedHelper].iap checkReceipt:[NSData dataWithContentsOfURL:[[NSBundle mainBundle] appStoreReceiptURL]] onCompletion:^(NSString *response, NSError *error) {

}];

Saving Product Identifier

[[IAPShare sharedHelper].iap provideContentWithTransaction:transaction];

Check for Previous Purchase

if([[IAPShare sharedHelper].iap isPurchasedProductsIdentifier:@"com.comquas.iap.test"]
    {
        // require saving product identifier first
    }

Purchased Products

NSLog(@"%@",[IAPShare sharedHelper].iap.purchasedProducts);

Clear Purchases

[[IAPShare sharedHelper].iap clearSavedPurchasedProducts];
[[IAPShare sharedHelper].iap clearSavedPurchasedProductByID:@"com.myproduct.id"];

Restore Purchase

[[IAPShare sharedHelper].iap restoreProductsWithCompletion:^(SKPaymentQueue *payment, NSError *error) {

        //check with SKPaymentQueue

        // number of restore count
        int numberOfTransactions = payment.transactions.count;

        for (SKPaymentTransaction *transaction in payment.transactions)
        {
            NSString *purchased = transaction.payment.productIdentifier;
            if([purchased isEqualToString:@"com.myproductType.product"])
            {
                //enable the prodcut here
            }
        }

}];

Example

if(![IAPShare sharedHelper].iap) {
      NSSet* dataSet = [[NSSet alloc] initWithObjects:@"com.comquas.iap.test", nil];

      [IAPShare sharedHelper].iap = [[IAPHelper alloc] initWithProductIdentifiers:dataSet];
  }

[IAPShare sharedHelper].iap.production = NO;

  [[IAPShare sharedHelper].iap requestProductsWithCompletion:^(SKProductsRequest* request,SKProductsResponse* response)
   {
       if(response > 0 ) {
       SKProduct* product =[[IAPShare sharedHelper].iap.products objectAtIndex:0];

        NSLog(@"Price: %@",[[IAPShare sharedHelper].iap getLocalePrice:product]);
        NSLog(@"Title: %@",product.localizedTitle);

        [[IAPShare sharedHelper].iap buyProduct:product
                                  onCompletion:^(SKPaymentTransaction* trans){

              if(trans.error)
              {
                  NSLog(@"Fail %@",[trans.error localizedDescription]);
              }
              else if(trans.transactionState == SKPaymentTransactionStatePurchased) {

                  [[IAPShare sharedHelper].iap checkReceipt:[NSData dataWithContentsOfURL:[[NSBundle mainBundle] appStoreReceiptURL]] AndSharedSecret:@"your sharesecret" onCompletion:^(NSString *response, NSError *error) {

                      //Convert JSON String to NSDictionary
                      NSDictionary* rec = [IAPShare toJSON:response];

                      if([rec[@"status"] integerValue]==0)
                      {

                        [[IAPShare sharedHelper].iap provideContentWithTransaction:trans];
                          NSLog(@"SUCCESS %@",response);
                          NSLog(@"Pruchases %@",[IAPShare sharedHelper].iap.purchasedProducts);
                      }
                      else {
                          NSLog(@"Fail");
                      }
                  }];
              }
              else if(trans.transactionState == SKPaymentTransactionStateFailed) {
                   NSLog(@"Fail");
              }
                                  }];//end of buy product
       }
}];