SKProductsRequestDelegate失败
SKProductsRequestDelegate 只有一个方法：
- (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response
通常，我发现这类委托将有多种方法来处理多种情况，而不仅仅是成功。例如：
-(void) connection:(NSURLConnection *)connection didFailWithError:(NSError *) error
我如何检查此代码是否由于某种原因失败，例如。用户离线？
SKProductsRequest *productsRequest = [[SKProductsRequest alloc] ... ];
productsRequest.delegate = self;
[productsRequest start];
The SKProductsRequestDelegate has one single method:
- (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response
Usually, I find these sorts of delegates will have several methods for handling multiple cases, rather than just success. For example:
-(void) connection:(NSURLConnection *)connection didFailWithError:(NSError *) error
How can I check if this code fails for some reason, eg. the user is offline?
SKProductsRequest *productsRequest = [[SKProductsRequest alloc] ... ];
productsRequest.delegate = self;
[productsRequest start];
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SKProductsRequestDelegate符合SKRequestDelegate协议。在那里你会发现
SKProductsRequestDelegateconforms to theSKRequestDelegateprotocol.There you find