IOS应用内购买

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简介

应用程序内购买是应用程序用于购买额外内容或升级功能。

实例步骤

1.在 iTunes 连接中请确保拥有一个唯一的 App ID（unique App ID ），当创建捆绑的ID（ bundle ID）应用程序更新时，代码会以相应的配置文件签名在Xcode上

2.创建新的应用程序和更新应用程序信息。你可以知道更多有关的，在苹果的 添加新的应用程序 文档中

3.在应用程序页的管理应用程序( Manage In-App Purchase)中，为app内付费添加新产品

4.确保设置的应用程序为的银行详细。需要将其设置为在应用程序内购买（In-App purchase）。此外在 iTunes 中使用管理用户（Manage Users）选项，创建一个测试用户帐户连接您的应用程序的页。

5.下一步是与处理代码和为我们在应用程序内购买创建有关的 UI。

6.创建一个单一的视图应用程序，并在 iTunes 中指定的标识符连接输入捆绑标识符

7.更新ViewController.xib ，如下所示

8.为三个标签创建IBOutlets，且将按钮分别命名为 productTitleLabel、 productDescriptionLabel、 productPriceLabel 和 purchaseButton

9.选择项目文件，然后选择目标，然后添加StoreKit.framework

10.更新ViewController.h ，如下所示

#import  #import  @interface ViewController : UIViewController< SKProductsRequestDelegate,SKPaymentTransactionObserver> { SKProductsRequest *productsRequest; NSArray *validProducts; UIActivityIndicatorView *activityIndicatorView; IBOutlet UILabel *productTitleLabel; IBOutlet UILabel *productDescriptionLabel; IBOutlet UILabel *productPriceLabel; IBOutlet UIButton *purchaseButton; } - (void)fetchAvailableProducts; - (BOOL)canMakePurchases; - (void)purchaseMyProduct:(SKProduct*)product; - (IBAction)purchase:(id)sender; @end

11.更新ViewController.m ，如下所示

#import "ViewController.h" #define kTutorialPointProductID @"com.tutorialPoints.testApp.testProduct" @interface ViewController () @end @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; // Adding activity indicator activityIndicatorView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge]; activityIndicatorView.center = self.view.center; [activityIndicatorView hidesWhenStopped]; [self.view addSubview:activityIndicatorView]; [activityIndicatorView startAnimating]; //Hide purchase button initially purchaseButton.hidden = YES; [self fetchAvailableProducts]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } -(void)fetchAvailableProducts{ NSSet *productIdentifiers = [NSSet setWithObjects:kTutorialPointProductID,nil]; productsRequest = [[SKProductsRequest alloc] initWithProductIdentifiers:productIdentifiers]; productsRequest.delegate = self; [productsRequest start]; } - (BOOL)canMakePurchases { return [SKPaymentQueue canMakePayments]; } - (void)purchaseMyProduct:(SKProduct*)product{ if ([self canMakePurchases]) { SKPayment *payment = [SKPayment paymentWithProduct:product]; [[SKPaymentQueue defaultQueue] addTransactionObserver:self]; [[SKPaymentQueue defaultQueue] addPayment:payment]; } else{ UIAlertView *alertView = [[UIAlertView alloc]initWithTitle: @"Purchases are disabled in your device" message:nil delegate: self cancelButtonTitle:@"Ok" otherButtonTitles: nil]; [alertView show]; } } -(IBAction)purchase:(id)sender{ [self purchaseMyProduct:[validProducts objectAtIndex:0]]; purchaseButton.enabled = NO; } #pragma mark StoreKit Delegate -(void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions { for (SKPaymentTransaction *transaction in transactions) { switch (transaction.transactionState) { case SKPaymentTransactionStatePurchasing: NSLog(@"Purchasing"); break; case SKPaymentTransactionStatePurchased: if ([transaction.payment.productIdentifier isEqualToString:kTutorialPointProductID]) { NSLog(@"Purchased "); UIAlertView *alertView = [[UIAlertView alloc]initWithTitle: @"Purchase is completed succesfully" message:nil delegate: self cancelButtonTitle:@"Ok" otherButtonTitles: nil]; [alertView show]; } [[SKPaymentQueue defaultQueue] finishTransaction:transaction]; break; case SKPaymentTransactionStateRestored: NSLog(@"Restored "); [[SKPaymentQueue defaultQueue] finishTransaction:transaction]; break; case SKPaymentTransactionStateFailed: NSLog(@"Purchase failed "); break; default: break; } } } -(void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response { SKProduct *validProduct = nil; int count = [response.products count]; if (count>0) { validProducts = response.products; validProduct = [response.products objectAtIndex:0]; if ([validProduct.productIdentifier isEqualToString:kTutorialPointProductID]) { [productTitleLabel setText:[NSString stringWithFormat: @"Product Title: %@",validProduct.localizedTitle]]; [productDescriptionLabel setText:[NSString stringWithFormat: @"Product Desc: %@",validProduct.localizedDescription]]; [productPriceLabel setText:[NSString stringWithFormat: @"Product Price: %@",validProduct.price]]; } } else { UIAlertView *tmp = [[UIAlertView alloc] initWithTitle:@"Not Available" message:@"No products to purchase" delegate:self cancelButtonTitle:nil otherButtonTitles:@"Ok", nil]; [tmp show]; } [activityIndicatorView stopAnimating]; purchaseButton.hidden = NO; } @end

注意：需要修改你创建In-App Pur（应用内购买）的 kTutorialPointProductID 。通过修改fetchAvailableProducts产品标识符的 NSSet, 你可以添加多个产品。

输出

运行该应用程序,输出结果如下

确保已经中登录。单击购买选择现有的Apple ID。输入有效的测试帐户的用户名和密码。几秒钟后，显示下面的信息

一旦产品成功购买，将获得以下信息。可以在显示此信息的地方，更新应用功能相关的代码