iOS内购

#import "ViewController.h"#import@interface ViewController ()/** 所有的商品的数组 */

@property (nonatomic, strong) NSArray *products;

- (IBAction)restore:(id)sender;

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

// 去自己的服务器请求所有想卖商品的ProductIds

NSString *filePath = [[NSBundle mainBundle] pathForResource:@"iapdemo.plist" ofType:nil];

NSArray *productArray = [NSArray arrayWithContentsOfFile:filePath];

NSArray *productIdArray = [productArray valueForKeyPath:@"productId"];

// 去苹果服务器请求可卖的商品

NSSet *productIdSet = [NSSet setWithArray:productIdArray];

SKProductsRequest *request = [[SKProductsRequest alloc] initWithProductIdentifiers:productIdSet];

request.delegate = self;

[request start];

}

- (void)viewWillAppear:(BOOL)animated

{

[super viewWillAppear:animated];

// 3.添加观察者(代理是一对一的关系/观察者一对多)

[[SKPaymentQueue defaultQueue] addTransactionObserver:self];

}

- (void)viewWillDisappear:(BOOL)animated

{

[super viewWillDisappear:animated];

// 移除观察者

[[SKPaymentQueue defaultQueue] removeTransactionObserver:self];

}

#pragma mark - 实现SKProductsRequest的代理方法

- (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response

{

// 展示商品

self.products = [response.products sortedArrayWithOptions:NSSortConcurrent usingComparator:^NSComparisonResult(SKProduct *obj1, SKProduct *obj2) {

return [obj1.price compare:obj2.price];

}];

// 2.刷新表格

[self.tableView reloadData];

}

#pragma mark - 实现tableView的数据源和代理方法

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

return self.products.count;

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

static NSString *ID = @"ProductCell";

UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:ID];

if (cell == nil) {

cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:ID];

}

// 1.取出模型

SKProduct *product = self.products[indexPath.row];

// 2.给cell设置数据

cell.textLabel.text = product.localizedTitle;

cell.detailTextLabel.text = [NSString stringWithFormat:@"价格:%@", product.price];

return cell;

}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

{

// 1.取出模型

SKProduct *product = self.products[indexPath.row];

// 2.购买商品

[self buyProduct:product];

}

#pragma mark - 购买商品

- (void)buyProduct:(SKProduct *)product

{

// 1.创建票据

SKPayment *payment = [SKPayment paymentWithProduct:product];

// 2.将票据加入到交易队列中

[[SKPaymentQueue defaultQueue] addPayment:payment];

}

#pragma mark - 实现SKPaymentQueue的回调方法

/*

队列中的交易发生改变时,就会调用该方法

*/

- (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions

{

/*

SKPaymentTransactionStatePurchasing,    正在购买

SKPaymentTransactionStatePurchased,    已经购买(购买成功)

SKPaymentTransactionStateFailed,        购买失败

SKPaymentTransactionStateRestored,      恢复购买

SKPaymentTransactionStateDeferred      未决定

*/

for (SKPaymentTransaction *transation in transactions) {

switch (transation.transactionState) {

case SKPaymentTransactionStatePurchasing:

NSLog(@"用户正在购买");

break;

case SKPaymentTransactionStatePurchased:

NSLog(@"购买成功,将对应的商品给用户");

// 将交易从交易队列中移除

[queue finishTransaction:transation];

break;

case SKPaymentTransactionStateFailed:

NSLog(@"购买失败,告诉用户没有付钱成功");

// 将交易从交易队列中移除

[queue finishTransaction:transation];

break;

case SKPaymentTransactionStateRestored:

NSLog(@"恢复商品,将对应的商品给用户");

// transation.payment.productIdentifier

// 将交易从交易队列中移除

[queue finishTransaction:transation];

break;

case SKPaymentTransactionStateDeferred:

NSLog(@"未决定");

break;

default:

break;

}

}

}

#pragma mark - 恢复购买

- (IBAction)restore:(id)sender {

[[SKPaymentQueue defaultQueue] restoreCompletedTransactions];

}

@end

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