Cocos2d动画简历

Question

我按照ray教程在cocos2d中添加了iAP（但为了适应cocos2d做了一些更改），但在我进行事务处理后，控制台日志显示2013-08-19 16:32:12.626 Game[2483:907] Buying *product* ... 2013-08-19 16:32:13.208 Game[2483:907] cocos2d: animation stopped 2013-08-19 16:32:16.690 Game[2483:907] completeTransaction... 2013-08-19 16:32:16.725 Game[2483:907] User defaults for *product* are YES

所以我知道交易是有效的，但游戏永远不会恢复，只是冻结了。有没有办法在交易后恢复游戏？[[CCDirector sharedDirector]resume]不起作用，所以我认为它可能与UIAlert视图有关。有什么帮助吗？这是我的iAPHelper.mm:

#import "IAPHelper.h"
#import <StoreKit/StoreKit.h>
NSString *const IAPHelperProductPurchasedNotification
@"IAPHelperProductPurchasedNotification";
@interface IAPHelper () <SKProductsRequestDelegate, SKPaymentTransactionObserver>
@end
@implementation IAPHelper {
SKProductsRequest * _productsRequest;
RequestProductsCompletionHandler _completionHandler;
NSSet * _productIdentifiers;
NSMutableSet * _purchasedProductIdentifiers;
}
- (id)initWithProductIdentifiers:(NSSet *)productIdentifiers {
if ((self = [super init])) {
    // Store product identifiers
    _productIdentifiers = productIdentifiers;
    [[SKPaymentQueue defaultQueue] addTransactionObserver:self];
    // Check for previously purchased products
    _purchasedProductIdentifiers = [NSMutableSet set];
    for (NSString * productIdentifier in _productIdentifiers) {
        BOOL productPurchased = [[NSUserDefaults standardUserDefaults] boolForKey:productIdentifier];
        if (productPurchased) {
            [_purchasedProductIdentifiers addObject:productIdentifier];
            NSLog(@"Previously purchased: %@", productIdentifier);
        } else {
            NSLog(@"Not purchased: %@", productIdentifier);
        }
    }
}
return self;
}
- (void)requestProductsWithCompletionHandler:(RequestProductsCompletionHandler)completionHandler {
_completionHandler = [completionHandler copy];
_productsRequest = [[SKProductsRequest alloc] initWithProductIdentifiers:_productIdentifiers];
_productsRequest.delegate = self;
[_productsRequest start];
}
#pragma mark - SKProductsRequestDelegate
- (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response {
NSLog(@"Loaded list of products...");
_productsRequest = nil;
NSArray * skProducts = response.products;
for (SKProduct * skProduct in skProducts) {
    NSLog(@"Found product: %@ %@ %0.2f",
          skProduct.productIdentifier,
          skProduct.localizedTitle,
          skProduct.price.floatValue);
}
_completionHandler(YES, skProducts);
_completionHandler = nil;
}
- (void)request:(SKRequest *)request didFailWithError:(NSError *)error {
NSLog(@"Failed to load list of products.");
_productsRequest = nil;
_completionHandler(NO, nil);
_completionHandler = nil;
}
- (BOOL)productPurchased:(NSString *)productIdentifier {
return [_purchasedProductIdentifiers containsObject:productIdentifier];
}
- (void)buyProduct:(SKProduct *)product {
NSLog(@"Buying %@...", product.productIdentifier);
SKPayment * payment = [SKPayment paymentWithProduct:product];
[[SKPaymentQueue defaultQueue] addPayment:payment];
}
- (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];
        default:
            break;
    }
};
}
- (void)completeTransaction:(SKPaymentTransaction *)transaction {
NSLog(@"completeTransaction...");
[self provideContentForProductIdentifier:transaction.payment.productIdentifier];
[[SKPaymentQueue defaultQueue] finishTransaction:transaction];
}
- (void)restoreTransaction:(SKPaymentTransaction *)transaction {
NSLog(@"restoreTransaction...");
[self provideContentForProductIdentifier:transaction.originalTransaction.payment.productIdentifier];
[[SKPaymentQueue defaultQueue] finishTransaction:transaction];
}
- (void)failedTransaction:(SKPaymentTransaction *)transaction {
NSLog(@"failedTransaction...");
if (transaction.error.code != SKErrorPaymentCancelled)
{
    NSLog(@"Transaction error: %@", transaction.error.localizedDescription);
}
[[SKPaymentQueue defaultQueue] finishTransaction: transaction];
}
- (void)provideContentForProductIdentifier:(NSString *)productIdentifier {
[_purchasedProductIdentifiers addObject:productIdentifier];
[[NSUserDefaults standardUserDefaults] setBool:YES forKey:productIdentifier];
[[NSUserDefaults standardUserDefaults] synchronize];
[[NSNotificationCenter defaultCenter] postNotificationName:IAPHelperProductPurchasedNotification object:productIdentifier userInfo:nil];
NSLog(@"User defaults for %@ are YES", productIdentifier);
}
- (void)restoreCompletedTransactions {
[[SKPaymentQueue defaultQueue] restoreCompletedTransactions];
}
@end

Answer 1

在弹出警报视图之前，请尝试运行。。。

  [[CCDirector sharedDirector] stopAnimation];

当您在alertview回调或事务完成运行中从用户处获得响应时。。。

  [[CCDirector sharedDirector] startAnimation];

Cocos通常不能很好地使用UIKit/Cocoa回调，所以在它们执行任务时需要暂停渲染。当应用程序在应用程序代理中进入后台/前台时，我们也有类似的行为。。。

-(void) applicationDidEnterBackground:(UIApplication*)application {
    [[CCDirector sharedDirector] stopAnimation];
}
-(void) applicationWillEnterForeground:(UIApplication *)application {
    [[CCDirector sharedDirector] startAnimation];
}
-(void)applicationDidBecomeActive:(UIApplication *)application {
    [[CCDirector sharedDirector] resume];
}

似乎我们在应用程序中使用了简历DidBecomeActive。我记不起那里的全部逻辑，但这似乎对我们的一些项目有效。