#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
